Codes and Frequencies
An 'X' indicates the category is available for that sample
| Code | Label |
23
|
21
|
19
|
94
|
93
|
91
|
90
|
|---|---|---|---|---|---|---|---|---|
| 100 | 1 year or less | · | · | · | · | · | · | · |
| 110 | 3 months or less | · | · | · | X | X | X | · |
| 111 | Less than 1 month | · | · | · | · | · | · | X |
| 112 | 1 to 3 months | · | · | · | · | · | · | X |
| 120 | 4 to 6 months | · | · | · | X | X | X | X |
| 130 | 7 to 12 months | · | · | · | X | X | X | X |
| 140 | Within the past year (less than 12 months) | X | X | X | · | · | · | · |
| 200 | 1 to 2 years | · | · | · | · | · | · | · |
| 210 | Greater than 1 year to 2 years | · | · | · | X | X | X | X |
| 220 | 1 year to less than 2 years | X | X | X | · | · | · | · |
| 300 | 2 to 5 years | · | · | · | · | · | · | · |
| 310 | Greater than 2 years to 5 years | · | · | · | X | X | X | X |
| 320 | 2 years to less than 3 years | X | X | X | · | · | · | · |
| 330 | 3 years to less than 5 years | X | X | X | · | · | · | · |
| 400 | 5+ years | · | · | · | X | X | X | X |
| 410 | 5 years to less than 10 years | X | X | X | · | · | · | · |
| 420 | 10 years or more | X | X | X | · | · | · | · |
| 500 | Never | X | X | X | X | X | X | X |
| 996 | NIU | X | X | X | X | X | X | X |
| 997 | Unknown-refused | X | X | X | · | · | · | X |
| 999 | Unknown-don't know | X | X | X | X | X | X | X |
Can't find the category you are looking for? Try the Detailed codes
Description
For sample persons, HYPCHECKGMO reports the grouped number of months or years since blood pressure was last checked by a doctor, nurse, or other health professional.
Comparability
Changes in the universe and response categories and the 2019 questionnaire redesign may affect comparability over time. Changes in survey design (e.g., quarters in which the supplement was collected) may affect raw frequencies, but do not affect comparability of the variable. As always, data users should use the prescribed IPUMS NHIS weights.
Because the intervals used to record respondents' answers varies over time, IPUMS NHIS uses a composite coding system for HYPCHECKGMO to maximize comparability.
[show more]The first digit identifies time periods which can be identified in all years: 1 year or less (code 1), 1 to 2 years (code 2), 2 to 5 years (code 3), 5 or more years (code 4), never (code 5), and unknown (code 9). The second and third digits identify periods specified for only a subgroup of years.
Prior to 2019, the questionnaire asked "About how long has it been since you had your blood pressure checked by a doctor or other health professional?" Beginning in 2019, the question changed slightly to explicitly include nurses: "When was the last time you had your blood pressure checked by a doctor, nurse, or other health professional?"
Prior to 2019, comparability will be affected by changes to the universe over time. The NHIS questionnaire was substantially redesigned in 2019 to introduce a different data collection structure and new content. For more information on changes in terminology, universes, and data collection methods beginning in 2019, please see the user note.
Universe
- 1990-1991: Sample persons age 18+.
- 1993: Half of sample persons age 18+ in quarters 3 and 4 (excluded from AIDS supplement).
- 1994: Half of sample persons age 18+ (excluded from AIDS supplement).
- 2019; 2021; 2023: Sample adults age 18+.
Availability
- 1990-1991, 1993-1994, 2019, 2021, 2023
Weights
- 1990-1991, 2019, 2021, 2023 : SAMPWEIGHT
- 1993-1994 : SUPP2WT
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