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Table 1 Characteristics of the study participants (n = 471).

From: Physical activity patterns during pregnancy through postpartum

  % or mean (SD)
Age at the start of pregnancy (mean years, SD) 29.9 (5.4)
Race and ethnicity (%)  
   Non-Hispanic white 77.6
   Non-Hispanic black 12.1
   Other 10.2
Marital status at pregnancy (%)  
   Married or partnered 84.1
   Single/separated/divorced/widowed 15.9
Parity at the start of pregnancy (%)  
   No children 54.6
   One child 31.6
   Two children 10.2
   Three or more children 3.6
Education (mean years, SD) 16.1 (2.6)
   ≤ 12 years of education 12.9
   13-15 years of education 17.2
   ≥ 16 years of education 69.9
Reported any physical activity (%)*  
   17-22 weeks' gestation 96.2
   27-30 weeks' gestation 92.1
   3 months postpartum 91.3
   12 months postpartum 91.9
Perceived general health at 17-22 weeks' gestation (%)  
   Excellent 34.6
   Very good 44.2
   Good 18.3
   Fair or poor 3.0
Bedrest required during pregnancy (%)  
   Yes 4.7
   No 95.3
Pre-pregnancy body mass index (%)  
   Under weight 13.6
   Normal weight 57.9
   Overweight 10.0
   Obese 18.5
  1. * Includes any reported recreational, occupational, transportation, child and adult care giving, indoor household, and outdoor household physical activity.
  2. Values are percentages or means (with standard deviations, SD).