OR(95%CI) | P | |
---|---|---|
Education | <.0001 | |
Primary | ref | |
Middle and high | 0.424(0.377–0.476) | |
Graduate | 0.540(0.458–0.636) | |
Marital status | 0.1745 | |
Married | 0.729(0.462–1.150) | |
Divorced or widowed | ref | |
Method of contraception | <.0001 | |
Non-contraception | 0.236(0.207–0.270) | |
Contraceptive | 0.335(0.280–0.401) | |
Condom | 0.244(0.208–0.286) | |
Intrauterine contraceptive device | ref | |
Lifetime sex partners | <.0001 | |
1 | 0.009(0.008–0.010) | |
≥ 2 | ref |