Parameter | n (%) | Χ2 (p value) | Β (p value) | OR | 95% CI |
---|---|---|---|---|---|
Demographic characteristics | |||||
Age group, years | Â | 4.283 (0.232) | Â | Â | Â |
≤ 25 | 8 (2.5) |  |  | 1 |  |
25–44 | 215 (67.8) |  | − 1.332 (0.108) | 0.264 | 0.052–1.337 |
45–64 | 87 (27.4) |  | − 1.495 (0.077) | 0.224 | 0.043–1.176 |
≥ 65 | 7 (2.2) |  | − 2.015 (0.085) | 0.133 | 0.013–1.318 |
Education | Â | 18.878 (0.000) | Â | Â | Â |
< SHS | 188 (59.3) |  |  | 1 |  |
≥ SHS | 129 (40.7) |  | 1.014 (0.000) | 2.756 | 1.735–4.377 |
Marital status | Â | 0.003 (0.954) | Â | Â | Â |
Married/cohabiting | 205 (64.7) |  | − 0.014 (0.954) | 0.986 | 0.620–1.569 |
Single/widowed/divorced | 112 (35.3) | Â | Â | 1 | Â |
Occupation | Â | 3.117 (0.077) | Â | Â | Â |
Economically activea | 275 (86.8) |  | 0.620 (0.081) | 1.859 | 0.927–3.728 |
Not economically activeb | 42 (13.2) | Â | Â | 1 | Â |
Obstetric characteristics | |||||
Age at first pregnancy (years) | 12.508 (0.028) | Â | Â | Â | Â |
≤ 17 | 27 (8.5) |  |  | 1 |  |
18–21 | 97 (30.6) |  | 1.605 (0.006) | 4.976 | 1.601–15.470 |
22–25 | 76 (24.0) |  | 1.377 (0.020) | 3.961 | 1.247–12.587 |
> 25 | 59 (18.6) |  | 1.579 (0.009) | 4.852 | 1.492–15.771 |
Never pregnant | 37 (11.7) |  | 2.021 (0.001) | 7.547 | 2.173–26.214 |
Do not remember | 21 (6.6) |  | 1.654 (0.017) | 5.227 | 1.336–20.450 |
Gravidae | Â | 4.114 (0.128) | Â | Â | Â |
0 | 37 (11.7) | Â | Â | 1 | Â |
1 | 36 (11.4) |  | − 0.272 (0.563) | 0.762 | 0.303–1.915 |
≥ 2 | 244 (77.0) |  | − 0.654 (0.067) | 0.520 | 0.259–1.046 |
Parity | Â | 3.653 (0.301) | Â | Â | Â |
0 | 63 (19.9) | Â | Â | 1 | Â |
1 | 52 (16.4) |  | − 0.438 (0.249) | 0.645 | 0.306–1.360 |
2–4 | 162 (51.1) |  | − 0.142 (0.634) | 0.868 | 0.485–1.555 |
> 5 | 40 (12.6) |  | − 0.699 (0.097) | 0.497 | 0.218–1.135 |