Table 4 Bivariate logistic regression analysis of factors that affect delivery involving fetal macrosomia

 Pregnant women in their first pregnancy

1094 (68.5)

1

 Pregnant women in their second pregnancy

504 (31.5)

− 0.048

0.053

0.818

0.9 (0.6,1.4)

  < 30

939 (58.8)

1

  ≥ 30

659 (41.2)

− 0.515

5.963

0.015*

0.6 (0.4,0.9)

  < 1.60

495 (31.0)

  ≥ 1.60

1103 (69.0)

  < 30

1547 (96.8)

1

  ≥ 30

51 (3.2)

0.747

3.029

0.082

2.1 (0.9, 4.9)

 Yes

57 (3.6)

0.180

0.138

0.710

1.2 (0.5, 3.1)

 No

1541 (96.4)

1

 Yes

72 (4.5)

0.582

2.376

0.123

1.8 (0.9, 3.8)

 No

1526 (95.5)

1

  < 30 min

1282 (80.2)

0.449

2.585

0.108

1.6 (0.9, 2.7)

  ≥ 30 min

316 (19.8)

1

 Male

855 (53.5)

1

 Female

743 (46.5)

− 0.028

0.020

0.888

1.0 (0.7, 1.4)