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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