Table 1 Baseline characteristics of participants with available physical activity data
Intervention (n = 1061) | Control (n = 1040) | Total (n = 2101) | |
|---|---|---|---|
Pre-pregnancy age (years)a | 30.1 ± 4.3 | 30.3 ± 4.6 | 30.2 ± 4.5 |
Pre-pregnancy weight (kg)a | 68.4 ± 13.1 | 67.9 ± 13.7 | 68.2 ± 13.4 |
Pre-pregnancy BMI (kg/m2)a | 24.4 ± 4.4 | 24.3 ± 4.6 | 24.4 ± 4.5 |
Pre-pregnancy BMI category (n (%)) | |||
BMI 18.5–24.9 kg/m2 | 684/1061 (64.5%) | 687/1040 (66.1%) | 1371/2101 (65.3%) |
BMI 25.0–29.9 kg/m2 | 253/1061 (23.8%) | 225/1040 (21.6%) | 478/2101 (22.8%) |
BMI 30.0–40.0 kg/m2 | 124/1061 (11.7%) | 128/1040 (12.3%) | 252/2101 (12.0%) |
Educational level (n (%)) | |||
General secondary school | 156/1060 (14.7%) | 173/1036 (16.7%) | 329/2096 (15.7%) |
Intermediate secondary school | 454/1060 (42.8%) | 430/1036 (41.5%) | 884/2096 (42.2%) |
High school | 450/1060 (42.4%) | 433/2096 (41.8%) | 883/2096 (42.1%) |
Country of birth (n (%)) | |||
Germany | 932/1060 (87.9%) | 930/1037 (89.7%) | 1862/2097 (88.8%) |
Others | 128/1060 (12.1%) | 107/1037 (10.3%) | 235/2097 (11.2%) |
Nulliparous (n (%)) | 660/1061 (62.2%) | 557/1039 (53.6%) | 1217/2100 (58.0%) |
Living with a partner (n (%)) | 1022/1057 (96.7%) | 988/1037 (95.3%) | 2010/2094 (96.0%) |
Full-time employed (n (%)) | 568/1047 (54.3%) | 514/1031 (49.9%) | 1082/2078 (52.1%) |