| Intervention | Control | Total |
---|
Variable | Group | Group | Sample |
---|
Age, years | 6.1 (0.3) | 6.2 (0.3) | 6.1 (0.3) |
Body mass index z-score | 0.30 (1.01) | 0.48 (1.30) | 0.38 (1.16) |
Boys (%) | 47% | 42% | 45% |
Left-handed (%) | 12% | 8% | 9% |
Birth-weight (kg) | 3.2 (0.6) | 3.1 (0.5) | 3.1 (0.6) |
SES category | 6 (1) | 7 (1) | 7 (1) |
- 1. No significant differences between groups at baseline (just before intervention started).
- 2. BMI z-scores calculated relative to UK 1990 reference data.
- 3. Birth-weight data obtained by maternal report.
- 4. SES socioeconomic status -categorical variable based on postcode from highest SES (category 1) to lowest (category 7) [21]