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Table 2 Crude and adjusteda odds ratios for overweight and obesity, compared to healthy weight, by reproductive factors of pregnancy for women delivering in Indiana 2008 through 2010 (n = 255,773)

From: Relationship between maternal obesity and prenatal, metabolic syndrome, obstetrical and perinatal complications of pregnancy in Indiana, 2008–2010

 

Overweight crude

Overweight adjusteda

Obesity crude

Obesity adjusteda

 

Odds ratio (95 % CI)b

Odds ratio (95 % CI)

Odds ratio (95 % CI)

Odds ratio (95 % CI)

Prenatal care

 Yes

1.11 (1.02–1.20)

1.28 (1.14–1.45)

1.41 (1.27–1.56)

1.82 (1.56–2.13)

 No

Reference

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Parity

 0

0.81 (0.80– 0.83)

0.89 (0.87– 0.91)

0.74 (0.72–0.76)

0.89 (0.86–0.91)

 1

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 2

1.09 (1.06–1.12)

1.01 (0.98–1.04)

1.12 (1.09–1.16)

1.00 (0.97–1.04)

 >2

1.20 (1.17–1.24)

1.05 (1.02–1.09)

1.30 (1.26–1.35)

1.02 (0.98-1.06)

Gestation typec

 Singleton

Reference

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Reference

 Twins

1.16 (1.10–1.22)

1.11 (1.05–1.18)

1.28 (1.21–1.35)

1.25 (1.17–1.33)

 Triplets

1.04 (0.82–1.30)

1.10 (0.87–1.39)

1.01 (0.78–1.30)

1.15 (0.87–1.52)

 More than 3

0.60 (0.26–1.39)

0.79 (0.34–1.84)

0.98 (0.44–2.19)

1.06 (0.38–2.96)

Delivery type

 Vaginal

Reference

Reference

Reference

Reference

 Caesarian

1.41 (1.38–1.44)

1.40 (1.37–1.43)

2.34 (2.29–2.39)

2.31 (2.26–2.37)

 Vacuum

0.86 (0.81–0.90)

0.90 (0.85–0.95)

0.76 (0.71–0.81)

0.81 (0.76–0.87)

 Forceps

0.88 (0.78–0.99)

0.92 (0.81–1.05)

0.81 (0.70–0.94)

0.87 (0.74–1.02)

Previous Caesarian section delivery

 Yes

1.47 (1.43–1.52)

1.38 (1.33–1.42)

2.15 (2.09–2.22)

1.95 (1.88–2.02)

 No

Reference

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  1. aadjusted for age, race, ethnicity, marital status, maternal education, paternal education, smoking,
  2. bCI = confidence intervals
  3. crefers to current pregnancy