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Table 6 Per Protocol: Linear, Median and Poisson Regression Coefficients (β, 95%CI, p-value) for the Effects of Prenatal Exercise on Race and Delivery and Birth Outcomes

From: The influence of exercise during pregnancy on racial/ethnic health disparities and birth outcomes

Characteristics

Model (Race + covariate [s])

Adjusted (Model 1 + Exercise)

β or RRb

95%CI

p-value

β

95%CI

p-value

Delivery

 Gestational Agea

−0.73

−1.55, 0.09

0.08

−0.69

−1.5, 0.14

0.11

 Preterm (%) b

2.14

0.68, 6.75

0.19

1.98

0.58, 6.76

0.27

 Cesarean Section (%) b

1.11

0.74, 1.67

0.60

1.12

0.73, 1.73

0.61

Birth Outcomes

 Birthweight (kg)c

−0.41

−0.69, −0.13

0.005

−0.39

− 0.69, − 0.09

0.01

 Low Birthweight (%) b

2.40

0.64, 8.94

0.19

2.20

0.53, 9.13

0.29

  1. Note: Model-specific covariates included 1) gestational age: pre-pregnancy BMI, MET∙min∙week−1; 2) preterm: pre-pregnancy BMI, MET∙min∙week− 1; 3) cesarean section: MET∙min∙week− 1; 4) birthweight: MET∙min∙week− 1; and 5) low birthweight: MET∙min∙week− 1. a Median regression was performed and the respective βs were reported. b Poisson regression was performed, and the respective relative risks are reported. c Linear regression was performed and the respective βs were reported