Age at induction | | | | | |
22–29 years (n=169) | 55 | 32.5 | 1.03 | 0.82–1.29 | 0.87 |
21 years (n=2498) | 797 | 31.9 | 1.00 | | |
Age at 1st sex | | | | | |
≤15 years (n=626) | 206 | 32.9 | 1.04 | 0.92–1.19 | 0.53 |
>15 years (n=2002) | 633 | 31.6 | 1.00 | | |
Educational attainment | | | | | |
Primary school or less (n=2015) | 681 | 33.8 | 1.28 | 1.11–1.48 | <0.001 |
Secondary or vocational school (n=652) | 172 | 26.4 | 1.00 | | |
Marital status at induction | | | | | |
Single (n=2005) | 639 | 31.9 | 0.99 | 0.87–1.13 | 0.89 |
Married (n=661) | 213 | 32.2 | 1.00 | | |
Domicile—during 2 years before induction | | | | | |
Urban (n=1053) | 302 | 28.7 | 0.84 | 0.75–0.94 | 0.003 |
Rural (n=1609) | 558 | 34.2 | 1.00 | | |
Region of residence—during 2 years before induction | | | | |
North east (n=1184) | 446 | 37.7 | 1.37 | 1.23–1.53 | <0.001 |
Other regions (n=1480) | 406 | 27.4 | 1.00 | | |