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Table 5 Sensitivity analyses for the associations between IPC-BMI and infant outcomes, Texas 2006–2012

From: Interpregnancy change in body mass index and infant outcomes in Texas: a population-based study

Outcome

IPC-BMI

No Diabetes or HTNa

Nd

Same Father

Nd

Consecutive Birthsb

Nd

1st and 2nd Births

Nd

Outcome Not

Present in Sibling

Nd

Excluding GWGc

Nd

aOR

95% CI

aOR

95% CI

aOR

95% CI

aOR

95% CI

aOR

95% CI

aOR

95% CI

LGAe

 

205/1980

185/1462

206/1797

86/893

167/1983

  
 

<−1

0.80

(0.50, 1.28)

0.69

(0.41, 1.14)

0.84

(0.52, 1.36)

0.82

(0.37, 1.79)

0.78

(0.47, 1.30)

  
 

−1 to < 0

0.56

(0.32, 1.01)

0.67

(0.38, 1.18)

0.84

(0.49, 1.43)

0.97

(0.43, 2.21)

0.63

(0.34, 1.17)

  
 

0 to < 1

1.00

(Reference)

1.00

(Reference)

1.00

(Reference)

1.00

(Reference)

1.00

(Reference)

  
 

1 to < 2

1.19

(0.74, 1.92)

1.26

(0.76, 2.08)

1.33

(0.81, 2.19)

1.30

(0.58, 2.89)

1.14

(0.66, 1.97)

  
 

2 to < 3

1.49

(0.90, 2.48)

1.28

(0.72, 2.25)

1.81

(1.07, 3.07)

1.56

(0.69, 3.53)

1.49

(0.85, 2.61)

  
 

≥3

0.96

(0.61, 1.49)

0.79

(0.49, 1.27)

1.07

(0.69, 1.68)

1.16

(0.58, 2.34)

1.07

(0.67, 1.70)

  

SGAf

 

176/2010

109/1539

158/1846

82/897

140/1987

  
 

<−1

1.51

(0.91, 2.49)

1.50

(0.77, 2.92)

1.92

(1.14, 3.22)

1.28

(0.61, 2.69)

1.98

(1.11, 3.52)

  
 

−1 to < 0

1.56

(0.92, 2.67)

1.63

(0.81, 3.27)

1.54

(0.87, 2.72)

1.05

(0.47, 2.31)

1.60

(0.84, 3.06)

  
 

0 to < 1

1.00

(Reference)

1.00

(Reference)

1.00

(Reference)

1.00

(Reference)

1.00

(Reference)

  
 

1 to < 2

1.49

(0.88, 2.50)

1.90

(0.98, 3.69)

1.34

(0.75, 2.38)

0.72

(0.31, 1.72)

1.87

(1.02, 3.44)

  
 

2 to < 3

1.85

(1.05, 3.24)

2.11

(1.03, 4.33)

2.10

(1.16, 3.82)

2.31

(1.11, 4.80)

2.55

(1.36, 4.81)

  
 

≥3

0.92

(0.55, 1.53)

1.33

(0.71, 2.50)

0.91

(0.53, 1.57)

0.65

(0.31, 1.36)

1.52

(0.87, 2.66)

  

PTBg

 

220/1970

157/1494

202/1805

86/896

181/1957

247/2116

 

<−1

1.82

(1.20, 2.78)

1.84

(1.12, 3.02)

1.94

(1.25, 3.03)

4.05

(1.86, 8.80)

1.46

(0.92, 2.33)

1.83

(1.23, 2.72)

 

−1 to < 0

1.16

(0.72, 1.87)

0.95

(0.53, 1.70)

1.34

(0.82, 2.19)

2.56

(1.12, 5.83)

1.12

(0.67, 1.88)

1.25

(0.79, 1.98)

 

0 to < 1

1.00

(Reference)

1.00

(Reference)

1.00

(Reference)

1.00

(Reference)

1.00

(Reference)

1.00

(Reference)

 

1 to < 2

1.11

(0.69, 1.78)

1.08

(0.61, 1.91)

1.07

(0.64, 1.78)

2.45

(1.07, 5.60)

1.19

(0.72, 1.97)

1.24

(0.79, 1.94)

 

2 to < 3

0.63

(0.33, 1.20)

0.66

(0.31, 1.41)

0.58

(0.28, 1.22)

0.92

(0.29, 3.00)

0.60

(0.29, 1.21)

0.64

(0.34, 1.19)

 

≥3

0.85

(0.55, 1.31)

1.12

(0.68, 1.84)

0.97

(0.62, 1.53)

1.95

(0.90, 4.24)

0.82

(0.51, 1.31)

1.00

(0.67, 1.49)

  1. Abbreviations: aOR adjusted odds ratio, CI confidence interval, GWG gestational weight gain, HTN hypertension, IPC-BMI interpregnancy change in body mass index (kg/m2), LGA large for gestational age, PTB preterm birth, SGA small for gestational age
  2. aPregestational or gestational diagnosis
  3. bAnalyses adjusted for birth order in addition to the covariates noted for each outcome
  4. cPTB analysis only
  5. dN, # affected / # unaffected
  6. eAdjusted for the following maternal variables: prepregnancy BMI at sibling pregnancy, race/ethnicity, smoking, gestational weight gain, height, age, and education
  7. fAdjusted for the following maternal variables: prepregnancy BMI at sibling pregnancy, race/ethnicity, smoking, gestational weight gain, and height
  8. gAdjusted for the following maternal variables: prepregnancy BMI at sibling pregnancy, race/ethnicity, smoking, and gestational weight gain
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BMC Pregnancy and Childbirth

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