Table 3: Factors contributing to gestational age (n= 759).

- Mean Gestational Age (weeks) pa
Type of delivery
    Cesarean (n= 405)
    Vaginal (n= 318)

37.85 ± 1.15
38.64 ± 1.09
<0.001
Education
    Low (n= 185)
    Moderate (n= 486)
    High (n= 88)

38.36 ± 1.31
38.24 ± 1.16
37.68 ± 1.56
<0.001
Economic status
    Low (n= 271)
    Moderate (n= 374)
    High (n= 109)

38.33 ± 1.45
38.17 ± 1.16
37.99 ± 1.09
0.04
Pre-pregnancy weight (kg)
    <65 (n= 418)
    ≥65 (n= 327)

38.34 ± 1.22
38.03 ± 1.30
0.001
Mother BMI
    < 18.5 (n= 27)
    18.5-24.99 (n= 309)
    25-29.99 (n= 248)
    ≥ 30 (n= 118)

38.26 ± 0.99
38.31 ± 1.10
38.06 ± 1.22
37.98 ± 1.56
0.03
Medical problem
    Yes (n= 30)
    No (n= 555)

37.60 ± 0.77
38.12 ± 1.02
0.001

a Differences between groups were assessed by ANOVA for variables with three or more categories and an independent t-student test for variables with two categories.