Black and white women differed in terms of sociodemographic and health characteristics, except for age (Table 1). Notably, black women were less likely to smoke (76.0% versus 57.6% never smoked; p<0.0001) and to have ever used oral contraceptives (65.4% versus 11.4%; p<0.0001) compared to white women.
Black women exhibited higher mean BP (systolic: 113.9 versus 109.4 mmHg; p<0.0001; diastolic: 68.1 versus 67.0 mm Hg; p<0.01) and higher prevalence of hypertension (11.3% versus 3.4%; p<0.01). The overall prevalence in the study sample was 4.9%.
Table 2 compares the prevalence of hypertension (≥140/90 mm Hg) among young adult black and white women. In the unadjusted model, young black women demonstrated more than 3 times the prevalence of hypertension (PR: 3.4 95% CI: 2.6–4.3). In the fully adjusted model, including sociodemographic factors, health behaviors, and other health status factors, black women had 2.4 times the prevalence of hypertension (PR: 2.4 95% CI: 1.7–3.3).