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Table 1 Baseline characteristics of participants (n = 589)

From: How does a lifestyle intervention during pregnancy influence perceived barriers to leisure-time physical activity? The Norwegian fit for delivery study, a randomized controlled trial

  Intervention group (n = 295) Control group (n = 294)
Variable  
Age in years [Mean (SDa)] 27.9 (4.24) 28.1 (4.46)
Gestational week [Mean (SD)] 16.1 (2.47) 16.1 (2.44)
Pre-pregnancy BMIb, kg/m2 [Mean (SD)] 22.7 (21.0–25.7) 22.7 (20.9–25.0)
Meeting PAc recommendations [n (%)] 72 (24.4) 65 (22.1)
Current smoker [n (%)] 8 (2.8) 15 (5.0)
Education [n (%)]
 < 4 years university or college 104 (35.4) 88 (29.9)
 ≥ 4 years university or college 96 (32.5) 113 (38.4)
Employment [n (%)]
 Outside home 240 (81.4) 256 (87.1)
 Sick leave 6 (2.0) 5 (1.7)
Income total household (US dollar)d [n (%)]
 Low (< 50,000 per year) 95 (32.2) 88 (29.9)
 Moderate (50,000–87,500 per year) 82 (27.8) 81 (27.6)
 Good (> 87,500 per year) 101 (34.2) 101 (34.4)
 No response or missing [n (%)] 17 (5.8) 24 (8.1)
  1. aSD; Standard Deviation
  2. bBMI; Body Mass Index
  3. cPA; Physical Activity, assessed with IPAQ-SF
  4. dClassification are based on income and wealth statistics for Norwegian households in 2016