Table 3.
Association between urinary bisphenol A (BPA) and hypertension, by stratification variables.
| Stratification category | Sample size (cases) | Multivariable OR (95% CI)∗† comparing BPA tertile 3 versus Tertile 1 | p-interaction |
|---|---|---|---|
| Race/ethnicity | |||
| Non-Hispanic whites | 748 (316) | 1.42 (0.98–2.06) | |
| Non-Hispanic blacks | 244 (121) | 1.91 (0.44–8.33) | 0.507 |
| Mexican Americans and others | 388 (143) | 1.50 (0.60–3.72) | |
| Smoking status | |||
| Non-smokers | 691 (265) | 1.62 (1.01–2.59) | 0.932 |
| Smokers | 689 (315) | 1.39 (0.74–2.62) | |
| BMI categories | |||
| Nonobese | 923 (334) | 1.37 (0.91–2.06) | 0.729 |
| Obese | 457 (246) | 1.84 (0.85–3.99) | |
| Diabetes mellitus/Prediabetes | |||
| Absent | 896 (282) | 1.30 (0.87–1.95) | 0.494 |
| Present | 484 (298) | 1.91 (1.08–3.37) |
*OR (95% CI): Odds Ratio (95% Confidence Interval)
†Adjusted for age (years), gender (male, female), race-ethnicity (non-Hispanic whites, non-Hispanic blacks, Mexican Americans, others), education categories (below high school, high school, above high school), smoking (never, former, current), alcohol intake (non-drinker, moderate drinker, heavy drinker), body mass index (normal, overweight, obese), diabetes (present, absent) and total cholesterol (mg/dL).