Risk factors | Univariate analysis | Multivariate analysis | ||||||
---|---|---|---|---|---|---|---|---|
Crude OR | CI 95% | P | Adjusted OR | CI 95% | P | |||
Lower | Upper | Lower | Upper | |||||
Age | 1.277 | 0.783 | 2.081 | 0.327 | ||||
Residence | 0.964 | 0.516 | 1.802 | 0.909 | ||||
Education | 0.988 | 0.863 | 1.131 | 0.861 | ||||
Wealth | 0.931 | 0.747 | 1.160 | 0.525 | ||||
Ethnicity | 1.024 | 0.814 | 1.289 | 0.838 | ||||
Employment | 1.062 | 0.488 | 2.310 | 0.879 | ||||
Parity | 0.972 | 0.651 | 1.450 | 0.888 | ||||
# of induced abortions | 1.338 | 1.012 | 1.769 | 0.041 | 1.330 | 1.006 | 1.759 | 0.046 |
Method of abortion | 3.526 | 1.886 | 6.592 | <0.001 | 4.397 | 2.239 | 8.638 | <0.001 |
Gestational age | 0.739 | 0.339 | 1.609 | 0.446 | 1.909 | 0.823 | 4.428 | 0.132 |