| Characteristics | Categories | Cases (n = 174) | Control (n = 259) | Incidence | Odd Rati (95% CI) | P-value |
| Mothers’ age | <20 years | 18 (10.34%) | 51 (19.69%) | 4.16% |
|
|
| 20 - 30 years | 71 (40.80%) | 112 (43.24%) | 16.39% | 1.796 (0.972 - 3.319) | 0.062 | |
| 31 - 40 years | 20 (11.49%) | 34 (13.13%) | 4.62% | 1.667 (0.771 - 3.602) | 0.194 | |
| 41 - 50 years | 65 (37.36%) | 62 (23.93%) | 15.01% | 2.970 (1.566 - 5.634) | 0.001 | |
| Residence | Rural | 95 (54.60%) | 99 (38.22%) | 21.93% |
|
|
| Urban | 79 (45.60%) | 160 (61.78%) | 18.24% | 0.515 (0.348 - 0.760) | 0.515 | |
| Religion | Others | 44 (25.29%) | 63 (24.32%) | 10.16% |
|
|
| Christianity | 57 (32.76%) | 110 (42.47%) | 13.16% | 0.742 (0.450 - 1.224) | 0.243 | |
| Islam | 73 (41.95%) | 86 (33.20%) | 16.86% | 1.215 (0.740 - 1.995) | 0.44 | |
| Occupation | Others | 31 (17.82%) | 23 (8.88%) |
|
|
|
| House wife | 40 (22.99%) | 53 (20.46%) | 9.24% | 0.560 (0.284 - 1.103) | 0.094 | |
| Civil servant | 36 (20.69%) | 65 (25.10%) | 8.31% | 0.411 (0.209 - 0.808) | 0.010 | |
| Business women | 29 (16.67%) | 69 (26.64%) | 6.70% | 0.312 (0.156 - 0.623) | 0.001 | |
| Farmer | 38 (21.84%) | 49 (18.92%) | 8.78% | 0.575 (0.290 - 1.142) | 0.114 | |
| Educational Status | No formal | 53 (30.46%) | 48 (18.53%) | 12.24% |
|
|
| Primary | 49 (28.16%) | 54 (20.85%) | 11.30% | 0.822 (0.474 - 1.424) | 0.484 | |
| Secondary | 40 (22.99%) | 65 (25.10%) | 9.24% | 0.557 (0.320 - 0.971) | 0.039 | |
| Tertiary | 32 (18.39%) | 92 (35.52%) | 7.40% | 0.315 (0.180 - 0.552) | 0.000 | |
| Social Status | Very low | 58 (33.33%) | 51 (19.69%) | 13.39% |
|
|
| Low | 42 (24.14%) | 53 (20.46%) | 9.70% | 0.697 (0.401 - 1.211) | 0.200 | |
| Middle | 41 (23.56%) | 69 (26.64%) | 9.47% | 0.522 (0.305 - 0.896) | 0.018 | |
| High | 33 (18.97%) | 86 (33.20%) | 7.62% | 0.337 (0.195 - 0.585) | 0.000 |