Table 1.
SAFS phenotype data
| Exam 1 | Exam 2 | Exam 3 | Exam 4 | |
|---|---|---|---|---|
| Na | 855 | 605 | 622 | 233 |
| Year of exam | 1981b-1996 | 1997-2000 | 1998-2006 | 2009-2011 |
| Mean age at exam (range) | 39.6 (16-94) | 42.9 (17-97) | 46.3 (18-95) | 50.9 (30-81) |
| Mean SBP (range) | 122 (80-216) | 125 (90-211) | 125 (76-220) | 128 (93-233) |
| Mean DBP (range) | 71 (40-123) | 72 (43-115) | 71 (32-108) | 78 (46-126) |
| Antihypertensive medication use (%) | 9.79 | 18.97 | 28.75 | 43.29 |
| Hypertension (%) | 18.13 | 28.38 | 34.77 | 51.93 |
| Current smokers (%) | 22.90 | 18.25 | 20.00 | 11.16 |
a. Number with blood pressure measurements.
b. Although both SAFHS and SAFDGS began in 1991, data from an earlier study were included at exam 1 for one participant.