Factors associated with contraceptive use
| Variable | Univariate analysis | Multivariate analysis | ||
| OR (95% CI) | Overall P value | OR (95% CI) | Overall P value | |
| Age | ||||
| 15–19 | 1 | 0.002 | 1 | 0.163 |
| 20–24 | 1.74 (1.23 to 2.46) | 1.31 (0.90 to 1.92) | ||
| Education | ||||
| No education | 1.24 (0.49 to 3.15) | 0.072 | 1.23 (0.50 to 3.02) | 0.017 |
| Primary | 1 | 1 | ||
| Middle/JSS/JHS | 1.11 (0.64 to 1.92) | 1.14 (0.65 to 1.99) | ||
| Secondary/SSS/SHS | 2.05 (1.11 to 3.76) | 2.43 (1.31 to 4.49) | ||
| More than secondary | 1.32 (0.49 to 3.56) | 1.72 (0.57 to 5.22) | ||
| Place of residence | ||||
| Urban | 1 | 0.702 | 1 | 0.339 |
| Rural | 1.07 (0.75 to 1.53) | 1.24 (0.80 to 1.93) | ||
| Household wealth quintile | ||||
| Lowest | 1 | 0.836 | 1 | 0.816 |
| Second | 0.97 (0.54 to 1.74) | 0.83 (0.46 to 1.53) | ||
| Middle | 1.23 (0.70 to 2.16) | 0.98 (0.55 to 1.74) | ||
| Fourth | 0.99 (0.56 to 1.77) | 0.75 (0.40 to 1.39) | ||
| Highest | 1.25 (0.65 to 2.38) | 0.93 (0.45 to 1.94) | ||
| Age at first sex | ||||
| ≤14 years | 1 | 0.924 | 1 | 0.814 |
| ≥15 years | 1.02 (0.65 to 1.61) | 0.94 (0.59 to 1.52) | ||
| Ever been pregnant | ||||
| No | 1 | <0.001 | 1 | <0.001 |
| Yes | 2.05 (1.45 to 2.88) | 2.13 (1.48 to 3.06) | ||
| Abortion in the past 5 years | ||||
| No | 1 | 0.007 | ||
| Yes | 1.80 (1.18 to 2.75) | |||
| Ever given birth | ||||
| No | 1 | 0.025 | ||
| Yes | 1.58 (1.06 to 2.37) | |||
P values <0.05 are highlighted in bold and italicised text.
JHS, junior high school; JSS, junior secondary school; SHS, senior high school; SSS, senior secondary school.