Table 1 Baseline characteristics
Study population (n = 617) | Underweight (n = 115; 18.6%) | Normal-weight (n = 391; 63.4%) | Overweight (n = 111; 18.0%) | |
|---|---|---|---|---|
Gender, female (n; %) | 321 (52.0) | 61 (53.0) | 199 (50.9) | 61 (55.0) |
Age (mean; SD) | 7.96 (3.9)a | 6.77 (3.8)b | 8.05 (4.0) | 8.87 (3.6) |
Ethnicity (n; %) | ||||
Both parents born in the Netherlands | 458 (84.8) | 90 (84.9) | 289 (86.3) | 79 (79.8)c |
At least one parent not born in the Netherlands | 82 (15.2) | 16 (15.1) | 46 (13.7) | 20 (20.2) |
SES (n; %) | ||||
Low (<2000 euros) | 110 (21.4) | 19 (19.4) | 69 (21.4) | 22 (23.9) |
Middle/high (≥2000 euros) | 403 (78.6) | 79 (80.6) | 254 (78.6) | 70 (76.1) |
Marital status (n; %) | ||||
Parents together | 463 (84.0) | 90 (84.9) | 289 (84.3) | 84 (82.4) |
Parents not together | 88 (16.0) | 16 (15.1) | 54 (15.7) | 18 (17.6) |
Education parents (n; %) | ||||
Up to lower level secondary education | 91 (16.5) | 19 (17.9) | 56 (16.3) | 16 (15.5) |
Higher level secondary education | 222 (40.1) | 35 (33.0) | 141 (41.0) | 46 (44.7) |
At least a bachelor diploma | 240 (43.4) | 52 (49.1) | 147 (42.7) | 41 (39.8) |
Breastfeeding (n; %) | ||||
Breastfed | 352 (71.4) | 82 (85.4)b | 214 (68.6) | 56 (65.9) |
Not breastfed | 141 (28.6) | 14 (14.6)b | 98 (31.4) | 29 (34.1) |
Birth weight (mean; SD) | 3421 (632) | 3333 (550) | 3413 (625) | 3548 (725) |
BMI z-score (mean; SD) | 0.06 (1.3)a | −1.79 (0.9)b | 0.06 (0.7) | 1.98 (0.7) c |
