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Table 3 Mean difference (95% Confidence Interval) of length of stay in hospital from delivery to discharge by maternal BMI categories

From: Associations of maternal pre-pregnancy obesity and excess pregnancy weight gains with adverse pregnancy outcomes and length of hospital stay

Model numbers

N

Maternal BMI categories

  

Underweight

Normal

Overweight

Obese

Model 1

6528

0.00(-0.13,0.13)

0

0.01(-0.11,0.12)

0.30(0.10,0.49)

Model 2

6528

0.02(-0.10,0.15)

0

0.02(-0.10,0.14)

0.31(0.13,0.51)

Model 3

6528

0.04(-0.09,0.17)

0

-0.03(-0.15,0.09),

0.23(0.04,0.42)

Model 4

6528

0.07(-0.10,0.24)

0

0.00(-0.12,0.11)

0.07(-0.10,0.24)

  1. Model 1: Adjusted for maternal age
  2. Model 2: Adjusted for confounders: - maternal age, education, racial origin, cigarette smoking and alcohol consumption
  3. Model 3: model 2+ adjusted for the mediating effects of complications of pregnancy
  4. Model 4: model 3+ adjusted for the mediating effects of birth weights and method of delivery
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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