Table 3.
Odds Ratios and Confidence Intervals for hormonal contraceptive effect (HC), medroxy progesterone acetate (DMPA) effect, >4 year HC use on (a). presence and (b). severity of disease.
| Presence of disease | Severity of disease | ||
| Model | OR (CI) | OR | CI |
| Hormonal contraceptive use: | |||
| Never used | 1.0 (reference) | 1.0 (reference) | |
| HCa | 1.92 (1.11, 3.34) | 2.22 (1.05, 4.66) | |
| HC + parity + alcohol intake ab | 1.59 (0.87, 2.82) | ||
| DMPA use: | |||
| Never used | 1.0 (reference) | 1.0 (reference) | |
| DMPAa | 2.43 (1.39, 4.57) | 2.51 (1.11, 5.64) | |
| DMPA + parity + alcohol intakeab | 2.48 (1.30, 4.74) | ||
| Length of exposure:a | |||
| Never used | 1.0 (reference) | 1.0 (reference) | |
| 1–4 years | 1.47 (0.80, 2.71) | 1.68 (0.73, 3.89) | |
| >4 years HC use | 3.56 (1.81, 7.00) | 4.43 (1.84, 10.67) | |
a Models were adjusted for age and number of sexual partners.
ab Variables entered; age and number of sex partners, variables offered: parity and alcohol consumption.