Table II. Mean systolic BP, Diastolic BP, and BMI over time among COC-users and control adolescents, adjusted for baseline values, race and insurance status*.
N | Systolic BP (mm Hg) | Diastolic BP (mmHG) | BMI (kg/m2) | |||||
---|---|---|---|---|---|---|---|---|
Time | COC | Control | COC | Control | COC | Control | COC | Control |
Baseline | 510 | 912 | 106.5 | 106.1 | 64.9 | 64.8 | 23.1 | 23.1 |
3 months | 231 | 242 | 107.2 | 105.7 | 65.3 | 64.5 | 23.2 | 23.1 |
6 months | 355 | 474 | 106.8 | 106.8 | 65.6 | 65.7 | 23.2 | 23.2 |
12 months | 350 | 546 | 106.4 | 106.0 | 65.1 | 65.9 | 23.5 | 23.3 |
Slope (Δ/month) | 510 | 912 | -0.070 | 0.018 | -0.007 | -0.006 | 0.039 | 0.025 |
COC = combined oral contraceptive
p>0.05 for all comparisons between COC-users and Controls.