Table 1.
Participant Characteristics by Hypertension Status
| Characteristics | Hypertension | |
|---|---|---|
| Yes (n= 1761) | No (n= 2406) | |
| Age (yr); mean (SE) | 56.7 (0.6) | 41.1 (0.4) |
| Sex, male; % (SE) | 47 (1.6) | 51(1.3) |
| Race/ethnicity, White; % (SE) | 76 (2.2) | 71 (2.2) |
| Education, >high school; % (SE) | 51 (1.6) | 58(1.5) |
| Body mass index (kg/m2) | 30 (0.2) | 27 (0.2) |
| Smoking; % (SE) | ||
| Former | 32 (1.2) | 22 (1.4) |
| Current | 20 (1.4) | 27(1.4) |
| Cotinine (ng/mL)a ; mean (SE) | 0.36 (0.11 to 0.61) | 0.60 (0.31 to 0.89) |
| Serum folate (ng/mL)a,b ; mean (SE) | 13.3 (13.2 to 13.4) | 11.1 (11.1 to 11.1) |
| Vitamin B12 (pg/mL)a,b ; mean (SE) | 460(459.8 to 459.9) | 466 (466.2 to 466.3) |
| Diabetes mellitus;%(SE) | 19.0(1.0) | 5.4 (0.5) |
a
Geometric mean (95% CI)Other results in the table are arithmetic means or percentages (standard error)
b
Available only for2003–2006 (n=1106 for serum folate and n=1485 for vitamin B12)