Table 3

Adjusted OR between age at first birth and facility-based delivery, adjusting for all factors in the table and country

CovariatesA. All first births in recall period; n=67 360Subset of A. with information on ANC usage; n=43 905
Adjusted odds* (95% CI)P values†Adjusted odds* (95% CI)P values†
Maternal age
 15–1911
 20–241.40 (1.29 to 1.51)<0.0011.38 (1.23 to 1.54)<0.001
 ≥251.88 (1.64 to 2.16)<0.0011.81 (1.54 to 2.14)<0.001
Wantedness of child
 Then11
 Later1.03 (0.92 to 1.15)0.5921.00 (0.88 to 1.13)0.943
 None0.81 (0.59 to 1.09)0.1661.01 (0.71 to 1.42)0.959
Marital status
 Never1.11 (0.97 to 1.26)0.1381.09 (0.95 to 1.25)0.239
 Currently11
 Formerly1.16 (1.00 to 1.34)0.0491.10 (0.92 to 1.31)0.289
Wealth quintile
 Poorest11
 Poorer1.51 (1.37 to 1.66)<0.0011.40 (1.22 to 1.60)<0.001
 Middle2.13 (1.90 to 2.40)<0.0011.94 (1.68 to 2.24)<0.001
 Richer2.92 (2.58 to 3.30)<0.0012.41 (2.06 to 2.81)<0.001
 Richest6.06 (5.07 to 7.26)<0.0014.73 (3.83 to 5.86)<0.001
Maternal education
 None0.51 (0.46 to 0.57)<0.0010.63 (0.55 to 0.72)<0.001
 Primary11
 Secondary1.78 (1.60 to 1.97)<0.0011.63 (1.45 to 1.84)<0.001
 Higher5.14 (3.54 to 7.47)<0.0013.86 (2.65 to 5.61)<0.001
Residence
 Rural11
 Urban2.03 (1.77 to 2.33)<0.0011.95 (1.68 to 2.27)<0.001
ANC uptake
 YesNANA1
 NoNANA0.15 (0.12 to 0.18)<0.001
  • A; includes subjects with no missing data aged 15–49. Subset of A; includes subjects having exactly one singleton live birth in the recall period, meaning singleton births only were included, aged 15–49.

  • *Adjusted for all other factors in the table and country.

  • †Wald test p value.

  • ANC, antenatal care; NA, not applicable.