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Table 3 Multiple linear regression result on the effect of supportive labour on length of labour, adjusting for maternal age, BMI and birth weight

From: Continuous support during labour in childbirth: a Cross-Sectional study in a university teaching hospital in Shanghai, China

Parameter

Exp (Parm. Est.)a

Exp (95% CI)

F Value

Pr > F

Treatment No (ref = Yes)

2.0285

1.8628

2.2091

265.29

<.0001

BMI

1.0125

0.9968

1.0286

2.42

0.1199

Birth weight each100g increase

1.0256

1.0132

1.0381

16.61

<.0001

Maternal age each 10 years increase

1.1811

1.0551

1.3221

8.39

0.0039

  1. aDue to skewness of the distribution length of labour was log transformed before analysed using multiple linear regressions. The resulted parameter estimates and 95% CI of the parameter estimates were back transformed using exponential function
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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