Table 1.
Children’s characteristics at baseline (full sample and by intervention group)
| Characteristics at baseline | Total (N = 608) | Group 1 Web-only (n = 218) |
Group 2 Web + e-mail (n = 196) |
Group 3 Web + SMS (n = 194) |
p-value |
|---|---|---|---|---|---|
| Boys (%) | 49.3 | 51.4 | 44.9 | 51.5 | 0.319 |
| Age (years) | 8.5 (1.9) | 8.4 (1.9) | 8.7 (1.9) | 8.4 (1.9) | 0.170 |
| (N = 588) | (n = 215) | (n = 184) | (n = 189) | ||
| BMI (%) | 0.060 | ||||
| Underweight | 10.4 | 14.8 | 8.1 | 7.4 | |
| Healthy-weight | 72.1 | 67.9 | 76.6 | 72.5 | |
| Overweight or obese | 17.5 | 17.2 | 15.2 | 20.1 |
SD Standard Deviation. BMI Body Mass Index. Results are expressed as column percentage for categorical variables or as mean (standard deviation) for continuous variables. Between-group comparisons performed using χ2-tests for categorical variables and ANOVA for continuous variables