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Table 2 ORs of physical activity and sleep status during pregnancy for caesarean delivery

From: Physical activity and sleep duration during pregnancy have interactive effects on caesarean delivery: a population-based cohort study in Tianjin, China

Variables

n (%)

OR (95% CI)

Model 1

Model 2

Model 3

Physical activity

 Low

4574 (35.1%)

1.10 (1.03–1.19)

1.12 (1.03–1.21)

1.12 (1.04–1.22)

 Moderate-to-high

3759 (28.9%)

1.00 (Reference)

1.00 (Reference)

1.00 (Reference)

Sleep duration (h/day)

  < 7

163 (1.3%)

1.09 (0.84–1.43)

1.05 (0.79–1.41)

1.04 (0.78–1.39)

  ≥ 7 to < 9

3501 (26.9%)

1.00 (Reference)

1.00 (Reference)

1.00 (Reference)

  ≥ 9

4669 (35.9%)

1.09 (1.01–1.17)

1.13 (1.04–1.22)

1.13 (1.04–1.22)

Sleep quality

 Good

3151 (24.2%)

1.00 (Reference)

1.00 (Reference)

1.00 (Reference)

 Moderate

4973 (38.2%)

1.00 (0.92–1.07)

0.99 (0.91–1.07)

1.00 (0.92–1.09)

 Poor

185 (1.4%)

0.91 (0.71–1.16)

0.88 (0.68–1.14)

0.91 (0.70–1.19)

  1. Abbreviations: n% number of cases (% of number at risk); OR odds ratio; CI confidence interval
  2. Model 1: Univariable analyses
  3. Model 2: Multivariable analyses, adjusted for age, body mass index, weight gain from registration to glucose challenge test, gestational age at delivery, habitual smokers before and during pregnancy, alcohol drinkers before and during pregnancy, family history of diabetes in first-degree relatives, parity≥1, Han nationality, systolic blood pressure at registration for pregnancy, birth weight, neonatal height
  4. Model 3: Further adjusted for gestational diabetes, in addition to the variables listed in model 2
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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