| Variables | Inter pregnancy interval | OR 95% CI; X2 P value | |
| ≤1 year | >1 year | ||
| Age (years) |
|
|
|
| <30 ≥30 | 171 0 | 15 144 | 0.08; 0.05 - 0.13† |
| Marital status |
|
|
|
| Married Single | 171 0 | 156 3 | 0.47; 0.42 - 0.53† |
| Residence |
|
|
|
| Urban Rural | 171 0 | 87 72 | 0.34; 0.28 - 0.40† |
| Social class |
|
|
|
| Upper Lower | 171 0 | 24 135 | 0.12; 0.08 - 0.18† |
| Educational status |
|
|
|
| Sec. & below Tertiary | 105 66 | 0 159 | 3.41; 2.78 - 4.18 |
| Family income* |
|
|
|
| Enough Enough and save Not enough | 135 36 0 | 0 84 75 | X2 (2) = 229.01; P = 0.001* |
| Contraceptive use |
|
|
|
| Yes | 171 | 24 | 0.12; 0.08 - 0.18† |
| No | 0 | 135 |
|
| Parity |
|
|
|
| <4 ≥4 | 171 0 | 18 141 | 0.40; 0.35 - 0.48† |