Variables | Model I Odds Ratio (OR) | Model II Adjusted Odds Ratio (AOR) |
---|---|---|
Age at first menstruation | ||
Before age 15 years | 0.81 [0.67–0.97]* | 0.78 [0.64–0.95]* |
At 15 years and above | Ref. | Ref. |
Had STI in the last 12 months | ||
No | Ref. | Ref. |
Yes | 2.86 [2.24–3.64]*** | 2.62 [2.01–3.40]*** |
Sexual debut | ||
Before 18 years | Ref. | Ref. |
At 18 years and above | 1.36 [1.11–1.65]** | 1.02 [0.86–1.31] |
Parity | ||
Nulliparous | Ref. | Ref. |
Uniparous | 0.93 [0.67–1.31] | 1.02 [0.71–1.48] |
Multiparous | 0.44 [0.33–0.59]*** | 0.85 [0.58–1.23] |
Covariates | ||
Educational level | ||
No education | Ref. | |
Primary | 1.75 [1.36–2.25]*** | |
Secondary | 2.28 [1.71–3.04]*** | |
Higher | 3.31 [2.26–4.85]*** | |
Age | ||
25–29 years | Ref. | |
30–34 years | 1.19 [0.90–1.58] | |
35–39 years | 1.46 [1.09–1.96]* | |
40–44 years | 1.57 [1.14–2.16]** | |
45–49 years | 2.01 [1.43–2.81]*** | |
Place of residence | ||
Urban | Ref. | |
Rural | 0.86 [0.67–1.11] | |
Frequency of reading newspaper/magazine | ||
Not at all | Ref. | |
Less than once a week | 1.35 [0.99–1.84] | |
At least once a week | 0.87 [0.59–1.28] | |
Frequency of listening to radio | ||
Not at all | Ref. | |
Less than once a week | 0.92 [0.71–1.19] | |
At least once a week | 1.48 [1.16–1.89]** | |
Frequency of watching television | ||
Not at all | Ref. | |
Less than once a week | 1.64 [1.17–2.31]** | |
At least once a week | 1.13 [0.82–1.55] | |
Wealth index | ||
Poorest | Ref. | |
Poorer | 1.19 [0.79–1.81] | |
Middle | 1.69 [1.12–2.57]* | |
Richer | 2.13 [1.36–3.34]** | |
Richest | 2.74 [1.68–4.45]*** | |
Health insurance coverage | ||
Not covered | Ref. | |
Covered | 2.60 [1.98–3.41]*** | |
Marital status | ||
Never married | Ref. | |
Currently in union | 0.78 [0.57–1.05] | |
Previously in union | 0.84 [0.55–1.27] | |
Model Fit statistic | ||
Constant | 0.11 [0.08–0.15]*** | 0.02 [0.01–0.03]*** |
Pseudo R2 | 0.0384 | 0.1517 |
Prob > chi2 | < 0.001 | < 0.001 |
AIC | 3976.264 | 3551.073 |