Characteristic | Controls n (%) n=817 | Cases n (%) n=349 |
Mothers age group (years) | ||
15–24 | 463 (56.67) | 190 (54.44) |
25–34 | 307 (37.58) | 131 (37.54) |
35–45 | 47 (5.75) | 28 (8.02) |
Mean age (SD) | 24.7 (5.8) | 24.9 (5.5) |
Mothers education level | ||
Primary | 549 (67.28) | 214 (61.32) |
Secondary | 247 (30.27) | 111 (31.81) |
College | 20 (2.45) | 24 (6.88) |