Table 2 The associations of the prevalence of reproductive tract infection with sociodemographic characteristics among women of childbearing age
Characteristic | Crude OR | 95% CI | Adjusted ORa | 95% CIa |
|---|---|---|---|---|
Age, years | ||||
 ≤ 24 | 1.00 |  | 1.00 |  |
 25–29 | 1.24 | 1.19–1.28 | 1.17 | 1.12–1.21 |
 30–34 | 1.61 | 1.54–1.68 | 1.38 | 1.32–1.44 |
 ≥ 35 | 2.12 | 2.04–2.20 | 1.65 | 1.58–1.73 |
Ethnicity | ||||
 Han | 1.00 |  | 1.00 |  |
 Others | 0.97 | 0.93–1.02 | 0.97 | 0.92–1.02 |
Education | ||||
 Primary or below | 2.09 | 1.98–2.20 | 1.78 | 1.67–1.90 |
 Middle school | 1.18 | 1.13–1.22 | 1.16 | 1.10–1.22 |
 High school | 0.98 | 0.94–1.03 | 1.04 | 0.98–1.09 |
 College or above | 1.00 |  | 1.00 |  |
Place of residence | ||||
 Non-agricultural | 1.00 |  | 1.00 |  |
 Agricultural | 1.01 | 0.98–1.04 | 1.00 | 0.96–1.04 |
Occupation | ||||
 Farmer | 1.00 |  | 1.00 |  |
 Worker | 0.84 | 0.80–0.89 | 0.94 | 0.89–1.00 |
 Merchant | 0.82 | 0.78–0.86 | 1.00 | 0.95–1.06 |
 Service staff | 0.91 | 0.84–0.99 | 1.03 | 0.95–1.12 |
 Housewife | 1.25 | 1.18–1.32 | 1.29 | 1.22–1.36 |
 Civil servant | 0.93 | 0.89–0.98 | 1.20 | 1.13–1.28 |
 Others | 0.94 | 0.89–0.99 | 1.09 | 1.03–1.16 |
Parity | ||||
 0 | 1.00 |  | 1.00 |  |
 ≥ 1 | 1.50 | 1.46–1.54 | 1.11 | 1.07–1.15 |
History of spontaneous abortion | ||||
 No | 1.00 |  | 1.00 |  |
 Yes | 1.36 | 1.28–1.45 | 1.36 | 1.28–1.45 |
History of induced abortion | ||||
 No | 1.00 |  | 1.00 |  |
 Yes | 1.50 | 1.46–1.54 | 1.32 | 1.28–1.35 |