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Table 5 Odds ratios (OR) for association of inadequate/no prenatal care with SGA by gestational age category: Comparison of two prenatal care utilization indices.

From: Inadequate prenatal care and its association with adverse pregnancy outcomes: A comparison of indices

Gestation

Total n

SGA n

APNCU OR

R-GINDEX OR

<27 weeks

263

57

ne*

ne*

27–28

177

22

0.82

1.84

29–30

186

20

1.31

0.92

31–32

403

38

0.23

0.25

33–34

865

78

0.27

0.77

35–36

2 926

321

0.81

0.89

37–38

16 024

1 352

1.40

1.38

39–40

45 115

4 515

1.48

1.47

41–42

14 964

1 552

1.80

1.64

43–44

66

9

2.71

1.73

Breslow-Day Test

 

p = 0.0001

p = 0.0154

  1. *ne = not estimable.
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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