Table 3 Odds ratio of postpartum sterilization

Reimbursement

Not reimbursed for sterilization

Reference

Reference

Reference

Reimbursed for sterilization

1.11 (0.94, 1.31)

1.05 (0.86, 1.28)

0.632

Health care coverage

Social security

0.81 (0.60, 1.10)

Self-paid

Reference

Universal coverage

0.92 (0.66, 1.28)

Hospital officer

1.18 (0.72, 1.93)

Government officer

0.82 (0.55, 1.22)

Age (years)

 ≤ 19

0.14 (0.02, 1.00)

0.28 (0.03, 2.20)

0.224

20–24

Reference

Reference

Reference

25–29

2.94 (1.96, 4.40)

1.71 (1.09, 2.69)

0.019

30–34

3.23 (2.18, 4.80)

1.49 (0.95, 2.32)

0.079

35–49

5.35 (3.61, 7.92)

1.92 (1.24, 2.99)

0.004

40–44

8.53 (5.45, 13.35)

2.70 (1.61, 4.53)

 < 0.001

 ≥ 45

9.26 (2.57, 33.38)

1.53 (0.35, 6.72)

0.570

Marital status

Married

1.19 (0.99, 1.43)

1.05 (0.85, 1.31)

0.642

Single

Reference

Reference

Reference

Others/missing

2.62 (1.85, 3.70)

1.23 (0.82, 1.86)

0.320

Parity

1

0.03 (0.02, 0.04)

0.03 (0.02, 0.04)

 < 0.001

2

Reference

Reference

Reference

3

1.86 (1.53, 2.25)

2.08 (1.68, 2.58)

 < 0.001

4

2.04 (1.53, 2.73)

2.59 (1.88, 3.58)

 < 0.001

 ≥ 5

1.63 (1.05, 2.54)

2.65 (1.61, 4.38)

 < 0.001

Route of delivery

Vaginal delivery

Reference

Reference

Reference

Cesarean section

4.61 (3.84, 5.53)

5.87 (4.77, 7.24)

 < 0.001