Variable Study group (n=51) Control group (n=77) P value
Age (in years) 27.9±3.1 24.8±4.0 P=0.000
Parity
Primigravida 36(70.6%) 50(64.9%) P=0.504
Multigravida 15(29.4%) 27(35.1%)
Antenatal registration Antenatal registration Antenatal registration Antenatal registration
Yes 20 (39.2%) 43 (55.8%) P=0.065
No 31 (60.8%) 34 (44.2%)
Inter-conception period# (N=15/51) (N=27/77) P=0.0001
< 2 years 13(86.6%) 7(25.9%)
>2 years 2 (13.3%) 20 (74.1%)
Gestational age (in weeks) at delivery 36.9±1.6 37.0±2.1 P=0.903
Preterm birth (< 37 weeks of gestation)
Yes 31 (61.8%) 43 (55.8%) 0.579
No 20 (38.2%) 34 (44.2%)
Antenatal iron supplementation Antenatal iron supplementation Antenatal iron supplementation Antenatal iron supplementation
Yes 27 (52.9%) 65 (84.4%) P=0.0001
No 24 (47.1%) 12 (15.6%)