Table 1 Baseline characteristics of participants (n = 589)
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) |