Codes and Frequencies
For sample persons or adults age 18 and over, HYPCHECKTP reports the time units (days, weeks, months, or years) since blood pressure was last checked by a doctor or other health professional. HYPCHECKTP should be used in conjunction with HYPCHECKNO, which reports the corresponding number of units.
Apart from changes in the universe, there are no comparability issues. 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.
- 1974: Sample persons age 17+.
- 1985; 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).
- 1998; 2003; 2014; 2017: Sample adults age 18+.
- 1999: Sample adults age 18+ who were ever told they had high blood pressure.
- 2008: Sample adults 18+ who have ever had their blood pressure checked.
- 1974, 1985, 1990-1991, 1993-1994, 1998-1999, 2003, 2008, 2014, 2017