Table 4 Crude and adjusted correlation coefficients between DBP, SBP and MAP with duration of oral contraceptive use
From: Oral contraceptives and hypertension in women: results of the enrolment phase of Tabari Cohort Study
Variables | oral contraceptive use, Mean and 95% confidence interval | Correlation with duration of oral contraceptive use | ||||
|---|---|---|---|---|---|---|
No | Yes | Pearson correlation coefficient | Partial correlation coefficient* | |||
r | p value | r | p value | |||
DBP | 72.6 (72.4–72.9) | 73.6 (73.3–73.9) | 0.07 | < 0.001 | 0.05 | < 0.001 |
SBP | 113.3 (112.8–113.7) | 115.5 (115.0–116.1) | 0.07 | < 0.001 | 0.05 | < 0.001 |
MAP | 86.2 (85.9–86.5) | 87.6 (87.2–87.9) | 0.07 | < 0.001 | 0.06 | < 0.001 |