Table 4.
Adjusted odds ratios (95% CI) for the presence of hypertension comparing the four highest quintiles to the first quintile of serum selenium.
Quintile of serum selenium (interval in µg/L) | ||||||
---|---|---|---|---|---|---|
1st < 122 |
2nd 122 – 131 |
3rd 132 – 139 |
4th 140 – 149 |
5th ≥ 150 |
p trend | |
Hypertension (%) | 39.2 | 44.3 | 43.6 | 49.7 | 49.0 | |
Model 1 * | 1.00 (Reference) |
1.37 (0.99, 1.90) |
1.25 (1.01, 1.55) |
1.95 (1.50, 2.55) |
1.63 (1.13, 2.33) |
0.05 |
Model 2 † | 1.00 (Reference) |
1.40 (1.01, 1.94) |
1.25 (1.00, 1.56) |
1.99 (1.43, 2.78) |
1.72 (1.19, 2.50) |
0.02 |
Model 3 ‡ | 1.00 (Reference) |
1.40 (1.01, 1.94) |
1.26 (0.99, 1.59) |
2.00 (1.42, 2.81) |
1.73 (1.18, 2.53) |
0.02 |
Model 1. Adjusted for sex, age (continuous), race / ethnicity (non-Hispanic White, non-Hispanic Black, Mexican American or other) and education (high school or higher vs. less than high school).
Model 2. Further adjusted for body mass index (continuous), smoking (never, former, current), cotinine (continuous), and menopausal status (yes, no).
Model 3. Further adjusted for use of vitamin / mineral supplements (yes, no).