Variables | Null model | Model I aOR [95% CI] | Model II aOR [95% CI] | Model III aOR [95% CI] |
---|---|---|---|---|
Age | ||||
15–19 | Reference (1.0) | Reference (1.0) | Reference (1.0) | |
20–24 | 1.34*** (129–1.40) | 1.36*** (1.31–1.41) | 1.44*** (1.39–1.51) | |
25–29 | 1.39*** (1.31–1.43) | 1.40*** (1.34–1.46) | 1.57*** (1.50–1.65) | |
30–34 | 1.39*** (1.32–1.46) | 1.42*** (1.36–1.49) | 1.64*** (1.56–1.73) | |
35–39 | 1.44*** (1.37–1.52) | 1.48*** (1.40–1.55) | 1.75*** (1.66–1.85) | |
40–44 | 1.47*** (1.39–1.55) | 1.50*** (1.42–1.59) | 1.80*** (1.70–1.91) | |
45–49 | 1.54*** (1.45–1.63) | 1.57*** (1.48–1.66) | 1.90*** (1.79–2.01) | |
Marital status | ||||
Married | Reference (1.0) | Reference (1.0) | Reference (1.0) | |
Not married | 0.76*** (0.73–0.80) | 0.77*** (0.73–0.80) | 0.80*** (0.77–0.84) | |
Cohabiting | 0.83*** (0.80–0.86) | 0.82*** (0.79–0.85) | 0.91*** (0.87–0.95) | |
Widowed | 0.97 (0.91–1.04) | 0.98 (0.92–1.05) | 0.93* (0.87–1.00) | |
Divorced | 0.98 (0.93–1.02) | 0.99 (0.95–1.04) | 0.96 (0.91–1.00) | |
Parity | ||||
No birth | 0.76*** (0.73–0.80) | 0.77*** (0.74–0.81) | 0.82*** (0.78–0.86) | |
One birth | 0.80*** (0.76–0.83) | 0.81*** (0.78–0.84) | 0.88*** (0.85–0.92) | |
Two births | 0.86*** (0.83–0.89) | 0.87*** (0.84–0.90) | 0.92*** (0.89–0.96) | |
Three births | 0.87*** (0.83–0.90) | 0.87*** (0.84–0.90) | 0.92*** (0.88–0.95) | |
Four or more births | Reference (1.0) | Reference (1.0) | Reference (1.0) | |
Employment status | ||||
Not working | 0.76*** (0.74–0.78) | 0.77*** (0.75–0.78) | 0.75*** (0.73–0.77) | |
Working | Reference (1.0) | Reference (1.0) | Reference (1.0) | |
Exposure to mass media | ||||
Not exposed | 0.73*** (0.72–0.75) | 0.73*** (0.71–0.74) | 0.68*** (0.66–0.70) | |
Exposed | Reference (1.0) | Reference (1.0) | Reference (1.0) | |
Wealth index | ||||
Poorest | 0.48*** (0.46–0.49) | 0.43*** (0.41–0.45) | 0.63*** (0.60–0.67) | |
Poorer | 0.54*** (0.52–0.56) | 0.48*** (0.46–0.50) | 0.70*** (0.66–0.73) | |
Middle | 0.54*** (0.52–0.56) | 0.49*** (0.47–0.51) | 0.67*** (0.64–0.70) | |
Richer | 0.60*** (0.58–0.62) | 0.57*** (0.55–0.59) | 0.69*** (0.67–0.72) | |
Richest | Reference (1.0) | Reference (1.0) | Reference (1.0) | |
Level of education | ||||
No education | Reference (1.0) | Reference (1.0) | Reference (1.0) | |
Primary | 1.37*** (1.33–1.40) | 1.36*** (1.32–1.40) | 1.20*** (1.16–1.23) | |
Secondary | 1.28*** (1.24–1.32) | 1.28*** (1.24–1.32) | 1.52*** (1.47–1.58) | |
Higher | 2.50*** (2.37–2.64) | 2.49*** (2.35–2.63) | 2.45*** (2.30–2.60) | |
Sexual activity | ||||
Never had sex | 0.82*** (0.78–0.86) | 0.83*** (0.79–0.87) | 0.86*** (0.81–0.90) | |
Ever had sex | Reference (1.0) | Reference (1.0) | Reference (1.0) | |
Ever terminated a pregnancy | ||||
No | Reference (1.0) | Reference (1.0) | Reference (1.0) | |
Yes | 1.08*** (1.05–1.11) | 1.08*** (1.05–1.11) | 1.26*** (1.22–1.30) | |
Type of place of residence | ||||
Urban | 0.70*** (0.68–0.72) | 1.07*** (1.03–1.11) | ||
Rural | Reference (1.0) | Reference (1.0) | ||
Community literacy level | ||||
Low | 0.81*** (0.78–0.84) | 0.82*** (0.79–0.85) | ||
Medium | 0.85*** (0.82–0.88) | 0.85*** (0.83–0.88) | ||
High | Reference (1.0) | Reference (1.0) | ||
Community socio-economic status | ||||
Low | Reference (1.0) | Reference (1.0) | ||
Moderate | 0.99 (0.96–1.02) | 0.87*** (0.84–0.90) | ||
High | 1.01 (0.97–1.05) | 0.90*** (0.86–0.90) | ||
Country | ||||
Burkina Faso | 0.27*** (0.26–0.29) | |||
Congo | 0.10*** (0.09–0.11) | |||
Cameroon | 0.14*** (0.13–0.15) | |||
Ethiopia | 0.57*** (0.54–0.60) | |||
Gambia | 0.08*** (0.07–0.08) | |||
Guinea | 0.39*** (0.37–0.41) | |||
Kenya | 0.83*** (0.37–0.41) | |||
Mali | 0.80*** (0.75–0.85) | |||
Nigeria | 0.67*** (0.63–0.71) | |||
Niger | 0.61*** (0.58–0.65) | |||
Senegal | 0.17*** (0.16–0.18) | |||
Chad | 0.37*** (0.35–0.39) | |||
Togo | 0.24*** (0.23–0.26) | |||
Uganda | Reference (1.0) |