2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
RECTYPE
Module:
General
Section:
IDN : Identifier
File(s):
Adult, Adultinc, Child, Childinc, Paradata
Data Type:
Numeric
Length:
2
Question Text:
Description:
Record type
Recode:
Universe:
HHX ne ‘ ‘
Universe Description:
All households
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
RECTYPE
Record type
Code
Description
10
Sample Adult
29482
100.00
20
Sample Child
0
0.00
30
Sample Adult Income
0
0.00
40
Sample Child Income
0
0.00
50
Paradata
0
0.00
Frequency
Frequency Missing:
Page 1
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
SRVY_YR
Module:
General
Section:
IDN : Identifier
File(s):
Adult, Child, Paradata
Data Type:
Numeric
Length:
4
Question Text:
Description:
Year of the National Health Interview Survey
Recode:
Universe:
HHX ne ‘ ‘
Universe Description:
All households
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
SRVY_YR
Year of the National Health Interview Survey
Code
Description
1963-current
year
Survey year
Frequency
29482
Frequency Missing:
Page 2
Percent
100.00
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
HHX
Module:
General
Section:
IDN : Identifier
File(s):
Adult, Adultinc, Child, Childinc, Paradata
Data Type:
Character
Length:
7
Question Text:
Description:
Randomly assigned household number unique to a household
Recode:
Universe:
All
Universe Description:
All cases
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
HHX
Randomly assigned household number unique to a household
Code
Description
Frequency
Range of values
29482
Frequency Missing:
Page 3
Percent
100.00
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
WTFA_A
Module:
General
Section:
IDN : Identifier
File(s):
Adult
Data Type:
Numeric
Length:
10
Question Text:
Description:
Weight – Final Annual
Recode:
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
WTFA_A
Weight – Final Annual
Code
Description
Frequency
Range of values
29482
Frequency Missing:
Page 4
Percent
100.00
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
URBRRL
Module:
General
Section:
UCF : Unit Control File
File(s):
Adult, Child
Data Type:
Numeric
Length:
1
Question Text:
Description:
2013 NCHS Urban-Rural Classification Scheme for Counties
Recode:
Yes
Universe:
HHX ne ‘ ‘
Universe Description:
All households
Sources:
Question ID:
Keywords:
Notes:
Information about the 2013 NCHS Urban–Rural classification scheme for
counties is available at https://www.cdc.gov/nchs/data_access/urban_rural.htm.
Large central metro are counties (or county equivalents) in metropolitan
statistical areas (MSA) of 1 million or more population that 1) contain the
entire population of the largest principal city of the MSA, or 2) are
completely contained in the largest principal city of the MSA, or 3) contain
at least 250,000 residents of any principal city of the MSA. Large fringe
metro are counties (or county equivalents) in MSAs of 1 million or more
population that do not qualify as large central. Medium and small metro are
counties (or county equivalents) in MSAs of 250,000 to 999,999 population or
in MSAs of less than 250,000 population. Nonmetropolitan are counties (or
county equivalents) in micropolitan statistical areas and non-core counties.
Evaluation Report:
Unweighted frequencies:
URBRRL
2013 NCHS Urban-Rural Classification Scheme for Counties
Code
Description
1
Large central metro
8945
30.34
2
Large fringe metro
6949
23.57
3
Medium and small metro
9315
31.60
4
Nonmetropolitan
4273
14.49
Frequency
Frequency Missing:
Page 5
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
REGION
Module:
General
Section:
UCF : Unit Control File
File(s):
Adult, Child, Paradata
Data Type:
Numeric
Length:
1
Question Text:
Description:
Household region
Recode:
Universe:
HHX ne ‘ ‘
Universe Description:
All households
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
REGION
Household region
Code
Description
1
Northeast
4775
16.20
2
Midwest
6327
21.46
3
South
10731
36.40
4
West
7649
25.94
Frequency
Frequency Missing:
Page 6
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
PSTRAT
Module:
General
Section:
UCF : Unit Control File
File(s):
Adult, Child, Paradata
Data Type:
Numeric
Length:
3
Question Text:
Description:
Pseudo-stratum for public-use file variance estimation
Recode:
Universe:
All
Universe Description:
All cases
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
PSTRAT
Pseudo-stratum for public-use file variance estimation
Code
Description
Frequency
Range of values
29482
Frequency Missing:
Page 7
Percent
100.00
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
PPSU
Module:
General
Section:
UCF : Unit Control File
File(s):
Adult, Child, Paradata
Data Type:
Numeric
Length:
3
Question Text:
Description:
Pseudo-PSU for public-use file variance estimation
Recode:
Universe:
All
Universe Description:
All cases
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
PPSU
Pseudo-PSU for public-use file variance estimation
Code
Description
Frequency
Range of values
29482
Frequency Missing:
Page 8
Percent
100.00
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
HHRESPSA_FLG
Module:
General
Section:
FLG : Flag
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
** Instrument Flag **
Description:
Sample Adult is the household respondent or the proxy who lives in the
household
Recode:
Universe:
All
Universe Description:
All
Sources:
Question ID:
GEN.0650.00.1
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
HHRESPSA_FLG
Sample Adult is the household respondent or the proxy who lives in the household
Code
Description
1
Yes
Frequency Missing:
Frequency
20707
8775
Page 9
Percent
100.00
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
INTV_QRT
Module:
General
Section:
GEN : Miscellaneous
File(s):
Adult, Child, Paradata
Data Type:
Numeric
Length:
1
Question Text:
Description:
Interview quarter
Recode:
Universe:
HHX ne ‘ ‘
Universe Description:
All households
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
INTV_QRT
Interview quarter
Code
Description
1
Quarter 1
7524
25.52
2
Quarter 2
6788
23.02
3
Quarter 3
7604
25.79
4
Quarter 4
7566
25.66
Frequency
Frequency Missing:
Page 10
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
INTV_MON
Module:
General
Section:
GEN : Miscellaneous
File(s):
Adult, Child, Paradata
Data Type:
Numeric
Length:
2
Question Text:
** SCIF Variable **
Description:
Interview month
Recode:
Universe:
HHX ne .
Universe Description:
All households
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
INTV_MON
Interview month
Code
Description
01
January
2475
8.39
02
February
2437
8.27
03
March
2612
8.86
04
April
2301
7.80
05
May
2253
7.64
06
June
2234
7.58
07
July
2645
8.97
08
August
2583
8.76
09
September
2376
8.06
10
October
2649
8.99
11
November
2510
8.51
12
December
2407
8.16
Frequency
Frequency Missing:
Page 11
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
HHSTAT_A
Module:
General
Section:
GEN : Miscellaneous
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
** Instrument Variable **
Description:
Indicates person is the Sample Adult
Recode:
Universe:
All
Universe Description:
All
Sources:
Question ID:
GEN.0540.00.1
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
HHSTAT_A
Indicates person is the Sample Adult
Code
Description
1
Person is sample adult
Frequency
29482
Frequency Missing:
Page 12
Percent
100.00
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
ASTATNEW
Module:
General
Section:
GEN : Miscellaneous
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Description:
Recoded ASTAT
Recode:
Yes
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
ASTATNEW
Recoded ASTAT
Code
Description
0
Not applicable/None eligible
1
Completed
2
3
Frequency
Percent
0
0.00
28305
96.01
HH member selected
0
0.00
Reached Sample Adult
0
0.00
4
Started HIS section
0
0.00
5
Sufficient Partial
1177
3.99
6
HH member selected and no longer eligible
0
0.00
7
Refused
0
0.00
Frequency Missing:
Page 13
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
AVAIL_A
Module:
General
Section:
GEN : Miscellaneous
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
* The next questions must be answered by ^SANAME. Probe as necessary to
determine the availability of ^SANAME.
* If Sample Adult refuses to participate enter CTRL-R.
* Read if necessary: The next questions are about ^SANAME.
^Awayschool ^IshesheArethey_A ^stayinghere available now?
^ONCAMPSA
Fills:
Description:
^SANAME
Sample Adult’s name
^Awayschool
Earlier, you said ^SANAME is living away at school or
college.
^IshesheArethey_A
Is he/Is she/Are they
^stayinghere
staying here and
^ONCAMPSA
FR instructions for on-campus SA
Sample Adult Available
Recode:
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
VFY.0020.00.1
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
AVAIL_A
Sample Adult Available
Code
Description
1
Available
2
Frequency
Percent
28250
95.82
Not Available or not able to answer right now
123
0.42
3
Physical or mental condition prohibits responding
587
1.99
7
Refused
0
0.00
8
Not Ascertained
522
1.77
Frequency Missing:
Page 14
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
PROXY_A
Module:
General
Section:
GEN : Miscellaneous
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
* Proxy interviews can be done for sample adults that have a mental or
physical condition that prevents them from responding for themselves.
Is a family member or caregiver that is knowledgeable about ^SANAME’s health
available?
Fills:
^SANAME
Description:
Proxy Available
Sample Adult’s name
Recode:
Universe:
HHSTAT_A=1 and AVAIL_A=3
Universe Description:
Sample adults 18+ and sample adult’s physical or mental condition prohibits
responding
Sources:
Question ID:
VFY.0030.00.1
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
PROXY_A
Proxy Available
Code
Description
1
Yes
582
99.15
2
No
5
0.85
7
Refused
0
0.00
8
Not Ascertained
0
0.00
9
Don’t Know
0
0.00
Frequency Missing:
Frequency
28895
Page 15
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
PROXYREL_A
Module:
General
Section:
GEN : Miscellaneous
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
What is this person’s relationship to ^SANAME?
Fills:
^SANAME
Description:
Proxy’s Relationship to Sample Adult
Sample Adult’s name
Recode:
Universe:
HHSTAT_A=1 and PROXY_A=1
Universe Description:
Sample adults 18+ and knowledgeable proxy is available
Sources:
Question ID:
VFY.0040.00.1
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
PROXYREL_A
Proxy’s Relationship to Sample Adult
Code
Description
1
Relative who lives in household
431
74.05
2
Relative who doesn’t live in household
121
20.79
3
Nonrelative who lives in household
20
3.44
4
Nonrelative who does not live in household
10
1.72
7
Refused
0
0.00
8
Not Ascertained
0
0.00
9
Don’t Know
0
0.00
Frequency Missing:
Frequency
28900
Page 16
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
AGEP_A
Module:
Roster
Section:
HHC : Household Composition
File(s):
Adult
Data Type:
Numeric
Length:
2
Question Text:
Description:
Age of SA (top coded)
Recode:
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
Keywords:
Notes:
Top-coded for public use
Evaluation Report:
Unweighted frequencies:
AGEP_A
Age of SA (top coded)
Code
Description
18-84
18-84 years
28364
96.21
85
85+ years
1032
3.50
97
Refused
76
0.26
98
Not Ascertained
0
0.00
99
Don’t Know
10
0.03
Frequency
Frequency Missing:
Page 17
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
AGE65
Module:
Roster
Section:
HHC : Household Composition
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
^AreIs ^youALIAS less than 65 years old or 65 years or older?
Fills:
^AreIs
Are/Is
^youALIAS
you/^ALIASNAME
^ALIASNAME
{Value of ALIAS}
Description:
Age 65 or older
Recode:
Universe:
AGE18=2
Universe Description:
Person is 18 years or older but refused or don’t know specific age
Sources:
Question ID:
HHC.0240.00.1
Keywords:
Notes:
This variable is collected during rostering from a household respondent who
answered refuse or don’t know to the age of a household member who is
subsequently selected as the Sample Adult, and for whom the household
respondent indicated that the person is 18 and over. AGE65 may be
inconsistent with AGEP_A because AGEP_A is confirmed with the Sample Adult
respondent and uses date of birth to verify age. Analysts may use AGE65 when
AGEP_A is unknown for categorizing Sample Adults less than age 65 and 65 and
over.
Evaluation Report:
Unweighted frequencies:
AGE65
Age 65 or older
Code
Description
1
Less than 65
101
66.01
2
65 or older
49
32.03
7
Refused
2
1.31
8
Not Ascertained
0
0.00
9
Don’t Know
1
0.65
Frequency Missing:
Frequency
29329
Page 18
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
SEX_A
Module:
Roster
Section:
HHC : Household Composition
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Description:
Sex of Sample Adult
Recode:
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
SEX_A
Sex of Sample Adult
Code
Description
1
Male
13378
45.38
2
Female
16102
54.62
7
Refused
1
0.00
8
Not Ascertained
0
0.00
9
Don’t Know
1
0.00
Frequency
Frequency Missing:
Page 19
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
EDUCP_A
Module:
Roster
Section:
HHC : Household Composition
File(s):
Adult
Data Type:
Numeric
Length:
2
Question Text:
Description:
Educational level of sample adult
Recode:
Yes
Universe:
HHSTAT=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
Keywords:
schooling; education
Notes:
Evaluation Report:
Unweighted frequencies:
EDUCP_A
Educational level of sample adult
Code
Description
00
Never attended/kindergarten only
01
Frequency
Percent
0
0.00
Grade 1-11
2069
7.02
02
12th grade, no diploma
464
1.57
03
GED or equivalent
645
2.19
04
High School Graduate
6606
22.41
05
Some college, no degree
4453
15.10
06
Associate degree: occupational, technical, or vocational program
1126
3.82
07
Associate degree: academic program
2566
8.70
08
Bachelor’s degree (Example: BA, AB, BS, BBA)
6968
23.63
09
Master’s degree (Example: MA, MS, MEng, MEd, MBA)
3284
11.14
10
Professional School or Doctoral degree (Example: MD, DDS, DVM, JD,
PhD, EdD)
1149
3.90
97
Refused
51
0.17
98
Not Ascertained
0
0.00
99
Don’t Know
101
0.34
Frequency Missing:
Page 20
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
AFNOW
Module:
Roster
Section:
HHC : Household Composition
File(s):
Adult, Child
Data Type:
Numeric
Length:
1
Question Text:
^AreyouIsALIASIsanyone now on full-time active duty with the Armed Forces?
*Read if necessary: Active duty does not include training for the Reserves or
National Guard, but DOES include activation, for example, for service in the
U.S. or in a foreign country, in support of military or humanitarian
operations.
Fills:
^AreyouIsALIASIsanyone Are you/Is ^ALIASNAME/Is anyone in the household
^ALIASNAME
Description:
{Value of ALIAS}
Full-time active duty screener
Recode:
Universe:
PCNT18PLUS gt 0 and PCNT gt PCNTAGEGUESS and PCNTAGEAF gt 0
Universe Description:
At least one person in the household is greater than 18 and at least one
person’s age is not guessed and at least one non-deleted person age 17-64
years old or who is greater than or equal to 18 or whose age was guessed to be
greater than or equal to 18
Sources:
Question ID:
HHC.0330.00.1
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
AFNOW
Full-time active duty screener
Code
Description
1
Yes
219
0.99
2
No
21898
99.01
7
Refused
1
0.00
8
Not Ascertained
0
0.00
9
Don’t Know
0
0.00
Frequency Missing:
Frequency
7364
Page 21
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
HISP_A
Module:
Roster
Section:
HHC : Household Composition
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Description:
Recode: Hispanic ethnicity of SA
Recode:
Yes
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
HISP_A
Recode: Hispanic ethnicity of SA
Code
Description
1
Yes
4081
13.84
2
No
25401
86.16
7
Refused
0
0.00
8
Not Ascertained
0
0.00
9
Don’t Know
0
0.00
Frequency
Frequency Missing:
Page 22
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
HISPALLP_A
Module:
Roster
Section:
HHC : Household Composition
File(s):
Adult
Data Type:
Numeric
Length:
2
Question Text:
Description:
Single and multiple race groups with Hispanic origin
Recode:
Yes
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
RACEFULL; HISP_FINAL
Question ID:
Keywords:
race; Hispanic origin
Notes:
Evaluation Report:
Unweighted frequencies:
HISPALLP_A
Single and multiple race groups with Hispanic origin
Code
Description
01
Hispanic
4081
13.84
02
Non-Hispanic White only
19658
66.68
03
Non-Hispanic Black/African American only
3160
10.72
04
Non-Hispanic Asian only
1810
6.14
05
Non-Hispanic AIAN only
182
0.62
06
Non-Hispanic AIAN and any other group
224
0.76
07
Other single and multiple races
367
1.24
97
Refused
0
0.00
98
Not Ascertained
0
0.00
99
Don’t Know
0
0.00
Frequency
Frequency Missing:
Page 23
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
HISDETP_A
Module:
Roster
Section:
HHC : Household Composition
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Description:
Hispanic origin detail
Recode:
Yes
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
HISP_FINAL
Question ID:
Keywords:
ethnicity; origin
Notes:
Evaluation Report:
Unweighted frequencies:
HISDETP_A
Hispanic origin detail
Code
Description
1
Hispanic (Mexican/Mexican American)
2323
7.88
2
Hispanic (all other groups)
1693
5.74
3
Not Hispanic
25405
86.17
7
Refused
0
0.00
8
Not Ascertained
40
0.14
9
Don’t Know
21
0.07
Frequency
Frequency Missing:
Page 24
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
RACEALLP_A
Module:
Roster
Section:
HHC : Household Composition
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Description:
Single and multiple race groups
Recode:
Yes
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
Keywords:
race
Notes:
The “not ascertained” responses on RACEALLP_A are predominantly from
Hispanic/Latino sample adults and sample children who did not identify with
one of the race categories available.
Evaluation Report:
Unweighted frequencies:
RACEALLP_A
Single and multiple race groups
Code
Description
1
White only
21948
74.45
2
Black/African American only
3282
11.13
3
Asian only
1831
6.21
4
AIAN only
235
0.80
5
AIAN and any other group
266
0.90
6
Other single and multiple races
435
1.48
7
Refused
17
0.06
8
Not Ascertained
1444
4.90
9
Don’t know
24
0.08
Frequency
Frequency Missing:
Page 25
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
PCNT18UPTC
Module:
Roster
Section:
HHC : Household Composition
File(s):
Adult, Child
Data Type:
Numeric
Length:
1
Question Text:
Description:
Top-coded count of persons 18 or older in the household
Recode:
Yes
Universe:
HHX ne ‘ ‘
Universe Description:
All households
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
PCNT18UPTC
Top-coded count of persons 18 or older in the household
Code
Description
0
0 adults
0
0.00
1
1 adult
10366
35.16
2
2 adults
14660
49.73
3
3+ adults
4456
15.11
8
Not Ascertained
0
0.00
Frequency
Frequency Missing:
Page 26
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
PCNTLT18TC
Module:
Roster
Section:
HHC : Household Composition
File(s):
Adult, Child
Data Type:
Numeric
Length:
1
Question Text:
Description:
Top-coded count of persons under 18 in the household
Recode:
Yes
Universe:
HHX ne ‘ ‘
Universe Description:
All households
Sources:
Question ID:
Keywords:
Notes:
Evaluation Report:
Unweighted frequencies:
PCNTLT18TC
Top-coded count of persons under 18 in the household
Code
Description
0
0 children
21597
73.25
1
1 child
3316
11.25
2
2 children
2947
10.00
3
3+ children
1622
5.50
8
Not Ascertained
0
0.00
Frequency
Frequency Missing:
Page 27
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
PCNTADLT_A
Module:
Roster
Section:
FAM : Family Composition
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Description:
Number of adults in Sample Adult family, top-coded 3+
Recode:
Yes
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
PCNTADLTI_A
Question ID:
Keywords:
family; adults per family
Notes:
Evaluation Report:
Unweighted frequencies:
PCNTADLT_A
Number of adults in Sample Adult family, top-coded 3+
Code
Description
1
1 adult
10899
36.97
2
2 adults
14401
48.85
3
3+ adults
4182
14.18
8
Not Ascertained
0
0.00
Frequency
Frequency Missing:
Page 28
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
PCNTKIDS_A
Module:
Roster
Section:
FAM : Family Composition
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Description:
Number of children in Sample Adult family, top-coded 3+
Recode:
Yes
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
PCNTKIDSI_A
Question ID:
Keywords:
family; children per family
Notes:
Evaluation Report:
Unweighted frequencies:
PCNTKIDS_A
Number of children in Sample Adult family, top-coded 3+
Code
Description
0
0 children
21622
73.34
1
1 child
3308
11.22
2
2 children
2942
9.98
3
3+ children
1610
5.46
8
Not Ascertained
0
0.00
Frequency
Frequency Missing:
Page 29
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
OVER65FLG_A
Module:
Roster
Section:
FAM : Family Composition
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Description:
Indicator for at least 1 person aged 65+ in SA family
Recode:
Yes
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
AGE_FINAL; AGEGUESS; AGE18; FAMILYA_FLG
Question ID:
Keywords:
family
Notes:
Evaluation Report:
Unweighted frequencies:
OVER65FLG_A
Indicator for at least 1 person aged 65+ in SA family
Code
Description
0
None
19020
64.51
1
1 or more
10462
35.49
Frequency
Frequency Missing:
Page 30
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
MLTFAMFLG_A
Module:
Roster
Section:
FAM : Family Composition
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Description:
Indicator for multifamily households
Recode:
Yes
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
ONEFAM_FLG; TOTPERS
Question ID:
Keywords:
family; more than 1 family in household; household structure
Notes:
Evaluation Report:
Unweighted frequencies:
MLTFAMFLG_A
Indicator for multifamily households
Code
Description
1
Multiple families in household
695
2.36
2
Only one family in household
28787
97.64
9
Unknown
0
0.00
Frequency
Frequency Missing:
Page 31
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
MAXEDUCP_A
Module:
Roster
Section:
FAM : Family Composition
File(s):
Adult
Data Type:
Numeric
Length:
2
Question Text:
Description:
Highest level of education of all the adults in the SA’s family
Recode:
Yes
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
EDUC; AGE18PLUS; FAMILYA_FLG; HHSTAT_A;
Question ID:
Keywords:
family; schooling; educational attainment
Notes:
Evaluation Report:
Unweighted frequencies:
MAXEDUCP_A
Highest level of education of all the adults in the SA’s family
Code
Description
00
Never attended/kindergarten only
01
Frequency
Percent
0
0.00
Grade 1-11
1283
4.36
02
12th grade, no diploma
349
1.19
03
GED or equivalent
469
1.60
04
High School Graduate
5172
17.59
05
Some college, no degree
4130
14.05
06
Associate degree: occupational, technical, or vocational program
1181
4.02
07
Associate degree: academic program
2839
9.66
08
Bachelor’s degree (Example: BA, AB, BS, BBA)
7715
26.24
09
Master’s degree (Example: MA, MS, MEng, MEd, MBA)
4516
15.36
10
Professional School or Doctoral degree (Example: MD, DDS, DVM, JD,
PhD, EdD)
1743
5.93
97
Refused
0
0.00
98
Not Ascertained
0
0.00
99
Don’t Know
0
0.00
Frequency Missing:
85
Page 32
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
PHSTAT_A
Module:
Adult
Section:
HIS : Health Status
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Would you say your health in general is excellent, very good, good, fair, or
poor?
Description:
General health status
Recode:
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
HIS.0010.00.1
Keywords:
respondent-assessed health; well-being; overall health
Notes:
Evaluation Report:
https://wwwn.cdc.gov/qbank/Reports.aspx#/Reports/1203
Unweighted frequencies:
PHSTAT_A
General health status
Code
Description
1
Excellent
6657
22.58
2
Very Good
10105
34.28
3
Good
8350
28.32
4
Fair
3353
11.37
5
Poor
1004
3.41
7
Refused
6
0.02
8
Not Ascertained
0
0.00
9
Don’t Know
7
0.02
Frequency
Frequency Missing:
Page 33
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
LSATIS11R_A
Module:
Adult
Section:
LS3 : Satisfaction with life
File(s):
Adult
Data Type:
Numeric
Length:
2
Question Text:
Using a scale of 0 to 10, where 0 means “very dissatisfied” and 10 means “very
satisfied”, how do you feel about your life as a whole these days?
Description:
Life satisfaction – 11 category question
Recode:
Yes
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
LSATIS11_A; LSATORDER1_A
Question ID:
Keywords:
subjective well-being; quality of life
Notes:
In 2021, two similar life satisfaction questions were fielded in the LS1 and
LS2 sections of the Sample Adult module, one consisting of an 11-point answer
scale (LSATIS11_A) and the other consisting of a 4-point answer scale
(LSATIS4_A). The LS1 and LS2 sections were combined into the LS3 section in
this codebook. Starting in quarter 2, an experiment was embedded in the survey
to randomly change the order of which question the sample adult received
first. See variable LSROTATE_FLG for rotation order. This recode combines
responses to question LSATIS11_A administered in quarters 1-4. Note that
because the LS2 section was administered later in the survey, more not
ascertained (98) values are observed due to drop-offs when LSATIS11_A was
administered in the LS2 than LS1 section.
Evaluation Report:
Unweighted frequencies:
LSATIS11R_A
Life satisfaction – 11 category question
Code
Description
00-10
Range of values
28987
98.32
97
Refused
61
0.21
98
Not Ascertained
314
1.07
99
Don’t Know
120
0.41
Frequency
Frequency Missing:
Page 34
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
LSATIS4R_A
Module:
Adult
Section:
LS3 : Satisfaction with life
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
In general, how satisfied are you with your life? Would you say very
satisfied, satisfied, dissatisfied, or very dissatisfied?
Description:
Life satisfaction – 4 category question
Recode:
Yes
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
LSATIS4_A; LSATORDER2_A
Question ID:
Keywords:
subjective well-being; quality of life
Notes:
In 2021, two similar life satisfaction questions were fielded in the LS1 and
LS2 sections of the Sample Adult module, one consisting of an 11-point answer
scale (LSATIS11_A) and the other consisting of a 4-point answer scale
(LSATIS4_A). The LS1 and LS2 sections were combined into the LS3 section in
this codebook. Starting in quarter 2, an experiment was embedded in the survey
to randomly change the order of which question the sample adult received
first. See variable LSROTATE_FLG for rotation order. This recode combines
responses to question LSATIS4_A administered in quarters 1-4. Note that
because the LS2 section was administered later in the survey, more not
ascertained (8) values are observed due to drop-offs when LSATIS4_A was
administered in the LS2 than LS1 section.
Evaluation Report:
Unweighted frequencies:
LSATIS4R_A
Life satisfaction – 4 category question
Code
Description
1
Very satisfied
13589
46.09
2
Satisfied
13658
46.33
3
Dissatisfied
1187
4.03
4
Very dissatisfied
338
1.15
7
Refused
56
0.19
8
Not Ascertained
574
1.95
9
Don’t Know
80
0.27
Frequency
Frequency Missing:
Page 35
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
LSROTATE_FLG
Module:
Adult
Section:
LS3 : Satisfaction with life
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
** Instrument Flag **
Description:
Life Satisfaction section rotation flag
Recode:
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
GEN.2070.00.1
Keywords:
subjective well-being; quality of life
Notes:
Variable administered in quarters 2-4 of 2021.
Evaluation Report:
Unweighted frequencies:
LSROTATE_FLG
Life Satisfaction section rotation flag
Code
Description
1
LSATIS11_A asked first in SA
11026
50.21
2
LSATIS4_A asked first in SA
10932
49.79
Frequency Missing:
Frequency
7524
Page 36
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
HYPEV_A
Module:
Adult
Section:
HYP : Hypertension
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Have you EVER been told by a doctor or other health professional that you had
…Hypertension, also called high blood pressure?
* Enter ‘1’ if respondent is taking medication to control his/her high blood
pressure.
Description:
Ever been told you had hypertension
Recode:
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
HYP.0020.00.1
Keywords:
HBP
Notes:
Evaluation Report:
https://wwwn.cdc.gov/qbank/Reports.aspx#/Reports/1203
Unweighted frequencies:
HYPEV_A
Ever been told you had hypertension
Code
Description
1
Yes
10657
36.15
2
No
18777
63.69
7
Refused
29
0.10
8
Not Ascertained
0
0.00
9
Don’t Know
19
0.06
Frequency
Frequency Missing:
Page 37
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
HYPDIF_A
Module:
Adult
Section:
HYP : Hypertension
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Were you told on two or more DIFFERENT visits that you had hypertension or
high blood pressure?
* Enter ‘1’ if respondent is taking medication to control his/her high blood
pressure.
Description:
Told had hypertension on two or more visits
Recode:
Universe:
HHSTAT_A=1 and HYPEV_A=1
Universe Description:
Sample adults 18+ who were ever told they had hypertension
Sources:
Question ID:
HYP.0030.00.1
Keywords:
HBP
Notes:
Evaluation Report:
Unweighted frequencies:
HYPDIF_A
Told had hypertension on two or more visits
Code
Description
1
Yes
9173
86.07
2
No
1453
13.63
7
Refused
2
0.02
8
Not Ascertained
0
0.00
9
Don’t Know
29
0.27
Frequency Missing:
Frequency
18825
Page 38
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
HYP12M_A
Module:
Adult
Section:
HYP : Hypertension
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
During the past 12 months, have you had hypertension or high blood pressure?
* Enter ‘1’ if respondent is taking medication to control his/her high blood
pressure.
Description:
Hypertension, past 12 months
Recode:
Universe:
HHSTAT_A=1 and HYPDIF_A=1
Universe Description:
Sample adults 18+ who were told they had hypertension on 2 or more visits
Sources:
Question ID:
HYP.0040.00.1
Keywords:
HBP
Notes:
Evaluation Report:
Unweighted frequencies:
HYP12M_A
Hypertension, past 12 months
Code
Description
1
Yes
7502
81.78
2
No
1627
17.74
7
Refused
1
0.01
8
Not Ascertained
0
0.00
9
Don’t Know
43
0.47
Frequency Missing:
Frequency
20309
Page 39
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
HYPMED_A
Module:
Adult
Section:
HYP : Hypertension
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Are you NOW taking any medication prescribed by a doctor for your high blood
pressure?
Description:
Now taking high blood pressure medication
Recode:
Universe:
HHSTAT_A=1 and HYPEV_A=1
Universe Description:
Sample adults 18+ who were ever told they have hypertension
Sources:
Question ID:
HYP.0050.00.1
Keywords:
HBP; antihypertensive drugs
Notes:
Evaluation Report:
https://wwwn.cdc.gov/qbank/Reports.aspx#/Reports/1203
Unweighted frequencies:
HYPMED_A
Now taking high blood pressure medication
Code
Description
1
Yes
8736
81.97
2
No
1910
17.92
7
Refused
1
0.01
8
Not Ascertained
0
0.00
9
Don’t Know
10
0.09
Frequency Missing:
Frequency
18825
Page 40
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
CHLEV_A
Module:
Adult
Section:
CHL : Cholesterol
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Have you EVER been told by a doctor or other health professional that you had
high cholesterol?
* Enter ‘1’ if respondent is taking medication to control his/her high
cholesterol.
Description:
Ever told you had high cholesterol
Recode:
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
CHL.0010.00.1
Keywords:
hypercholesterolemia; hyperlipidemia
Notes:
Evaluation Report:
https://wwwn.cdc.gov/qbank/Reports.aspx#/Reports/1203
Unweighted frequencies:
CHLEV_A
Ever told you had high cholesterol
Code
Description
1
Yes
9088
30.83
2
No
20303
68.87
7
Refused
28
0.09
8
Not Ascertained
0
0.00
9
Don’t Know
63
0.21
Frequency
Frequency Missing:
Page 41
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
CHL12M_A
Module:
Adult
Section:
CHL : Cholesterol
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
During the past 12 months, have you had high cholesterol?
* Enter ‘1’ if respondent is taking medication to control his/her high
cholesterol.
Description:
High cholesterol, past 12 months
Recode:
Universe:
HHSTAT_A=1 and CHLEV_A=1
Universe Description:
Sample adults 18+ who were ever told they had high cholesterol
Sources:
Question ID:
CHL.0020.00.1
Keywords:
hypercholesterolemia; hyperlipidemia
Notes:
Evaluation Report:
https://wwwn.cdc.gov/qbank/Reports.aspx#/Reports/1203
Unweighted frequencies:
CHL12M_A
High cholesterol, past 12 months
Code
Description
1
Yes
6085
66.96
2
No
2807
30.89
7
Refused
0
0.00
8
Not Ascertained
0
0.00
9
Don’t Know
196
2.16
Frequency Missing:
Frequency
20394
Page 42
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
CHLMED_A
Module:
Adult
Section:
CHL : Cholesterol
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Are you NOW taking any medication prescribed by a doctor to help lower your
cholesterol?
Description:
Now taking cholesterol medication
Recode:
Universe:
HHSTAT_A=1 and CHLEV_A=1
Universe Description:
Sample adults 18+ who were ever told they had high cholesterol
Sources:
Question ID:
CHL.0030.00.1
Keywords:
hypercholesterolemia; hyperlipidemia
Notes:
Evaluation Report:
https://wwwn.cdc.gov/qbank/Reports.aspx#/Reports/1203
Unweighted frequencies:
CHLMED_A
Now taking cholesterol medication
Code
Description
1
Yes
6046
66.53
2
No
3033
33.37
7
Refused
1
0.01
8
Not Ascertained
0
0.00
9
Don’t Know
8
0.09
Frequency Missing:
Frequency
20394
Page 43
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
CHDEV_A
Module:
Adult
Section:
CVC : Cardiovascular Conditions
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Have you EVER been told by a doctor or other health professional that you had
…Coronary heart disease?
Description:
Ever been told you had coronary heart disease
Recode:
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
CVC.0010.00.1
Keywords:
atherosclerotic heart disease; coronary artery disease
Notes:
Evaluation Report:
Unweighted frequencies:
CHDEV_A
Ever been told you had coronary heart disease
Code
Description
1
Yes
1796
6.09
2
No
27610
93.65
7
Refused
23
0.08
8
Not Ascertained
0
0.00
9
Don’t Know
53
0.18
Frequency
Frequency Missing:
Page 44
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
ANGEV_A
Module:
Adult
Section:
CVC : Cardiovascular Conditions
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
* Read if necessary: Have you EVER been told by a doctor or other health
professional that you had
…Angina, also called angina pectoris?
Description:
Ever been told you had angina
Recode:
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
CVC.0020.00.1
Keywords:
ischemic chest pain; coronary artery disease
Notes:
Evaluation Report:
Unweighted frequencies:
ANGEV_A
Ever been told you had angina
Code
Description
1
Yes
543
1.84
2
No
28861
97.89
7
Refused
21
0.07
8
Not Ascertained
0
0.00
9
Don’t Know
57
0.19
Frequency
Frequency Missing:
Page 45
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
MIEV_A
Module:
Adult
Section:
CVC : Cardiovascular Conditions
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
* Read if necessary: Have you EVER been told by a doctor or other health
professional that you had
…A heart attack, also called myocardial infarction?
Description:
Ever been told you had a heart attack
Recode:
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
CVC.0030.00.1
Keywords:
myocardial infarction; coronary artery disease
Notes:
Evaluation Report:
Unweighted frequencies:
MIEV_A
Ever been told you had a heart attack
Code
Description
1
Yes
1078
3.66
2
No
28378
96.26
7
Refused
15
0.05
8
Not Ascertained
0
0.00
9
Don’t Know
11
0.04
Frequency
Frequency Missing:
Page 46
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
STREV_A
Module:
Adult
Section:
CVC : Cardiovascular Conditions
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
* Read if necessary: Have you EVER been told by a doctor or other health
professional that you had
…A stroke?
Description:
Ever been told you had a stroke
Recode:
Universe:
HHSTAT_A=1
Universe Description:
Sample adults 18+
Sources:
Question ID:
CVC.0040.00.1
Keywords:
cerebrovascular accident; artery disease
Notes:
Evaluation Report:
Unweighted frequencies:
STREV_A
Ever been told you had a stroke
Code
Description
1
Yes
1010
3.43
2
No
28437
96.46
7
Refused
17
0.06
8
Not Ascertained
0
0.00
9
Don’t Know
18
0.06
Frequency
Frequency Missing:
Page 47
Percent
2021 NATIONAL HEALTH INTERVIEW SURVEY (NHIS)
Codebook for Sample Adult file (Document Version: 25 July 2022)
PUBLIC USE
Variable:
ASPMEDEV_A
Module:
Adult
Section:
ASP : Aspirin
File(s):
Adult
Data Type:
Numeric
Length:
1
Question Text:
Has a doctor or other health professional EVER told you to take a low-dose
aspirin each day to prevent or control heart disease?
* If the respondent volunteers they have been told to take an aspirin every
other day or “regularly” for these reasons, enter 1 for “yes.”
Description:
Told to take low-dose aspirin
Recode:
Universe:
HHSTAT_A=1 and (40
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