| Variables | Cases | Controls | OR | IC 95% | p-value | |
| n (%) | n (%) | |||||
| Age of the school girl (year) | ||||||
| >16 | 41 (91.49) | 89 (84.04) | 1.72 | 1.58 - 1.88 | 0.000 | |
| ≤16 | 4 (8.51) | 15 (15.96) | 1 | |||
| Ethnics | ||||||
| Fon | 44 (93.62) | 70 (74.47) | 0.20 | 0.06 - 0.7 | 0.012 | |
| Others | 3 (6.38) | 24 (25.53) | 1 | |||
| Religion | ||||||
| Christian | 41 (87.23) | 83 (88.30) | 1 | |||
| Non Christian | 6 (12.77) | 11 (11.70) | 0.89 | 0.28 - 2.80 | 0.845 | |
| Type of family | ||||||
| Monogamous | 25 (53.19) | 47 (50) | 1 | |||
| Polygamous | 20 (42.55) | 40 (42.55) | 1.03 | 0.49 - 2.16 | 0.927 | |
| Others | 2 (4.26) | 7 (7.45) | 1.87 | 0.35 - 9.81 | 0.456 | |
| Marital status | ||||||
| Single | 26 (55.32) | 82 (87.23) | 4.57 | 2.01 - 10.43 | 0.000 | |
| Free union | 21 (44.68) | 12 (12.77) | 1 | |||
| Father’s education level |
|
|
|
|
| |
| Unschooled | 11 (23.40) | 18 (19.15) | 0.70 | 0.24 - 2.04 | 0.519 | |
| Elementary | 15 (31.91) | 19 (20.21) | 0.48 | 0.16 - 1.43 | 0.190 | |
| Secondary | 12 (25.53) | 36 (38.30) | 1.27 | 0.48 - 3.40 | 0.632 | |
| University | 9 (19.15) | 21 (22.34) | 1 |
|
| |
| Mother’s education’s level |
|
|
|
|
| |
| Unschooled | 20 (42.55) | 40 (42.55) | 0.48 | 0.04 - 5.40 | 0.555 | |
| Elementary | 20 (42.55) | 29 (30.85) | 0.34 | 0.03 - 3.24 | 0.346 | |
| Secondary | 6 (12.77) | 20 (21.28) | 0.80 | 0.06 - 10.17 | 0.867 | |
| University | 1 (2.13) | 5 (5.32) | 1 |
|
| |
| Residence area |
|
|
|
|
| |
| Urban | 30 (63.83) | 66 (70.21) | 1 |
|
| |
| Rural | 17 (36.17) | 28 (29.79) | 0.57 | 0.20 - 1.61 | 0.293 | |
| The person with whom the Early is living |
|
|
|
|
| |
| Father only | 10 (21.28) | 18 (19.15) | 1.11 | 0.35 - 3.59 | 0.857 | |
| Mother only | 7 (14.89) | 16 (1.52) | 1.52 | 0.47 - 4.93 | 0.483 | |
| Both parents | 25 (53.19) | 37 (39.36) | 1 |
|
| |
| Tutors | 3 (6.38) | 20 (21.28) | 6.18 | 1.29 - 29.65 | 0.023 | |
| Alone | 2 (4.26) | 3 (3.19) | 0.92 | 0.12 - 6.97 | 0.939 | |