Table 1.
Descriptive characteristics of children at baseline categorised by intervention and control group
| Total | Intervention | Control | p | n | |
|---|---|---|---|---|---|
| n = 378 | n = 185 (89 boys/96 girls) | n = 193 (98 boys/95 girls) | |||
| Mean (SD) | Mean (SD) | Mean (SD) | |||
| Age (years) | 6.3 (0.3) | 6.3 (0.3) | 6.3 (0.3) | 0.84 | 378 |
| Parental low education per family (%) | 47.1 | 43.8 | 50.3 | 0.18 | 345 |
| Parents born outside the Nordic region (%) | 80.4 | 76.5 | 84.2 | 0.01 | 699 |
| Anthropometry | |||||
| Weight (kg) | 24.5 (5.0) | 24.2 (5.0) | 24.7 (5.0) | 0.33 | 378 |
| Height (cm) | 120.3 (5.4) | 119.9 (5.1) | 120.6 (5.7) | 0.23 | 378 |
| Waist circumference (cm) | 56.2 (5.7) | 56.1 (5.7) | 56.6 (5.7) | 0.44 | 378 |
| Body mass index (kg/m2) | 16.8 (2.5) | 16.7 (2.4) | 16.9 (2.5) | 0.51 | 378 |
| BMI sdsa | 0.66 (1.37) | 0.62 (1.33) | 0.69 (1.42) | 0.60 | 378 |
| Normal weightb (%) | 67.5 | 68.6 | 66.3 | 0.63 | 378 |
| Overweight and obeseb (%) | 26.5 | 25.4 | 27.5 | 0.65 | 378 |
| Underweightb (%) | 6.1 | 5.9 | 6.2 | 0.91 | 378 |
| Physical activity | |||||
| TPA, all week (cpm) | 775 (192) | 792 (218) | 758 (160) | 0.11 | 327 |
| TPA, weekend (cpm) | 639 (207) | 627 (211) | 651 (204) | 0.34 | 268 |
| MVPA, all week (minutes) | 89 (24) | 89 (25) | 88 (23) | 0.82 | 327 |
| MVPA, weekend (minutes) | 66 (27) | 64 (27) | 69 (26) | 0.15 | 268 |
| Sedentary, all week (minutes) | 322 (45) | 318 (48) | 326 (42) | 0.08 | 327 |
| Sedentary, weekends (minutes) | 326 (64) | 327 (65) | 325 (64) | 0.71 | 268 |
| Child taken to playground etc in the past week (times/week) | 2.04 (1.27) | 2.00 (1.27) | 2.09 (1.29) | 0.57 | 291 |
| Television/computer time (minutes/day) | 128 (75) | 124 (77) | 133 (72) | 0.34 | 301 |
| Diet (servings the previous day) | |||||
| Fruit juice | 0.57 (0.66) | 0.56 (0.69) | 0.57 (0.62) | 0.72 | 253 |
| Soft drink | 0.29 (0.52) | 0.26 (0.49) | 0.32 (0.54) | 0.32 | 232 |
| Milk | 1.21 (0.78) | 1.16 (0.76) | 1.26 (0.80) | 0.18 | 280 |
| Flavoured milk | 0.33 (0.56) | 0.28 (0.45) | 0.38 (0.65) | 0.36 | 227 |
| Vegetables | 1.03 (0.77) | 0.95 (0.76) | 1.11 (0.79) | 0.28 | 277 |
| Fruits | 1.62 (0.96) | 1.48 (0.85) | 1.76 (1.05) | 0.14 | 294 |
| Snacks (crisps and cheese doodles) | 0.31 (0.61) | 0.27 (0.52) | 0.36 (0.68) | 0.26 | 263 |
| Chocolate/sweets | 0.47 (0.68) | 0.36 (0.62) | 0.57 (0.72) | 0.05 | 276 |
| Ice-cream | 0.49 (0.76) | 0.35 (0.61) | 0.64 (0.87) | 0.03 | 281 |
| Cake/buns/cookies | 0.57 (0.79) | 0.51 (0.61) | 0.64 (0.80) | 0.43 | 274 |
p = between intervention and control groups
BMI sds body mass index standard deviation score, TPA total physical activity, cpm counts per minute, MVPA moderate to vigorous physical activity
aDefined according to Karlberg et al. 2001
bDefined according to Cole et al. 2012