Table 2.
Baseline characteristics of participants in the BW Study 2010
| Missing Values | Intervention (n = 1072) | Control (n = 871) | Total (n = 1943) | |
|---|---|---|---|---|
| Boys, n (%) | 536 (50.0) | 459 (52.7) | 995 (51.2) | |
| Age, years [m (sd)] | 7.09 (0.64) | 7.06 (0.64) | 7.08 (0.64) | |
| Grade 1, n (%) | 550 (51.3) | 474 (54.4) | 1024 (52.7) | |
| Migration background, n (%) | 297 | 318 (35.1)1 | 207 (28.0) | 525 (31.9) |
| Anthropometry | ||||
| BMIPERC, [m (sd)] | 50 | 49.13 (28.07) | 48.75 (27.67) | 48.96 (27.88) |
| Waist circumference, cm [m (sd)] | 54 | 55.72 (5.87) | 55.41 (5.89) | 55.58 (5.88) |
| WHtR,[m (sd)] | 55 | 0.45 (0.04) | 0.45 (0.04) | 0.45 (0.04) |
| Overweight/obesity, n (%) | 50 | 107 (10.3) | 83 (9.7) | 190 (10.0) |
| Abdominal obesity, n (%) | 55 | 90 (8.7) | 68 (8.0) | 158 (8.4) |
| Parental characteristics | ||||
| Single parent, n (%) | 265 | 101 (10.9) | 76 (10.1) | 177 (10.5) |
| Tertiary family educational level, n (%) | 323 | 293 (32.7) | 229 (31.6) | 522 (32.2) |
| Household income < 1750 €, n (%) | 452 | 113 (14.0) | 94 (13.8) | 207 (13.9) |
| Overweight/obesity (mother), n (%) | 363 | 279 (32.1) | 217 (30.5) | 496 (31.4) |
| Overweight/obesity (father), n (%) | 468 | 512 (62.3) | 386 (59.1) | 898 (60.9) |
| Abdominal obesity (mother), n (%) | 916 | 275 (49.0) | 206 (44.2) | 481 (46.8) |
| Abdominal obesity (father), n (%) | 1011 | 386 (75.2) | 306 (73.0) | 692 (74.2) |
| Smoking (mother), n (%) | 287 | 172 (20.7) | 175 (21.2) | 347 (21.0) |
| Smoking (father), n (%) | 356 | 234 (29.4) | 238 (30.1) | 472 (29.7) |
| Days off work (mother), median [m (sd)] | 309a | 2 [3.09 (4.62)]2 | 0 [2.36 (4.23)] | 1 [2.77 (4.47)] |
| Employed (mother), n (%) | 302 | 657 (72.3) | 519 (70.9) | 1176 (71.7) |
| Working hours/week (mother), [m (sd)] | 21a | 20.83 (10.68) | 21.18 (11.79) | 20.99 (11.18) |
| Days off work (father), median [m (sd)] | 839a | 0 [0.78 (2.31)]2 | 0 [0.33 (1.19)] | 0 [0.56 (1.87)] |
| Employed (father), n (%) | 354 | 833 (95.6) | 694 (96.7) | 1527 (96.1) |
| Working hours/week (father), [m (sd)] | 86a | 43.60 (10.65) | 43.99 (10.35) | 43.78 (10.51) |
| Health and lifestyle characteristics | ||||
| Sick days, median [m (sd)] | 390 | 5 [7.50 (7.70)] | 5 [6.73 (5.97)] | 5 [7.15 (6.97)] |
| Visits to a physician, median [m (sd)] | 404 | 2 [2.99 (2.76)] | 2 [2.95 (3.23)] | 2 [2.97 (2.98)] |
| Playing outside > 60 min/day, n (%) | 296 | 607 (66.6)3 | 523 (71.2) | 1130 (68.6) |
| Physical active ≥ 4 days/week ≥ 60 min/day, n (%) | 320 | 238 (26.6) | 199 (27.3) | 437 (26.9) |
| 6 min run test, meter [m (sd)] | 63 | 839.67 (122.88)4 | 855.28 (120.10) | 846.69 (121.85) |
| Screen media > 1 h/day, n (%) | 250 | 144 (15.4) | 100 (13.2) | 244 (14.4) |
| Sugar sweetened beverages > 1 time/week, n (%) | 241 | 236 (25.1) | 180 (23.6) | 416 (24.4) |
| Skipping breakfast, n (%) | 236 | 97 (12.7) | 126 (13.4) | 223 (13.1) |
m mean, sd standard deviation, WHtR Waist-to-height ratio, a with regard to those who stated an employment
1 p = 0.002, 2 p < 0.001, 3 p = 0.048, 4 p = 0.006