Table 4.
Characteristics of participants who were included in the overall analysis compared with those who were excluded
| Included | Excluded | Difference | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Overall | n | Mean | SD | n | Mean | SD | Mean | 95% CI | p |
| BMI SDS* | 310 | 0.58 | 1.2 | 229 | 0.57 | 1.2 | −0.008 | −0.21 to 0.19 | 0.9390 |
| Age (yrs) | 310 | 10.0 | 0.55 | 229 | 10.1 | 0.59 | 0.14 | 0.05 to 0.24 | 0.0037 |
| IMD** | 310 | 18.9 | 17.3 | 215 | 23.2 | 17.2 | 4.3 | 1.3 to 7.3 | 0.0055 |
| Control | |||||||||
| BMI SDS | 157 | 0.52 | 1.2 | 98 | 0.19 | 1.3 | −0.02 | −0.33 to 0.28 | 0.8853 |
| Age (yrs) | 157 | 10.0 | 0.53 | 98 | 10.1 | 0.57 | 0.14 | 0.00 to 0.28 | 0.0495 |
| IMD | 157 | 16.9 | 16.1 | 91 | 24.8 | 17.5 | 7.9 | 3.6 to 12.2 | 0.0004 |
| Intervention | |||||||||
| BMI SDS | 153 | 0.64 | 1.1 | 131 | 0.62 | 1.2 | −0.01 | −0.29 to 0.26 | 0.9209 |
| Age (yrs) | 153 | 10.0 | 0.57 | 131 | 10.1 | 0.60 | 0.15 | 0.010 to 0.28 | 0.0357 |
| IMD | 153 | 21.0 | 18.4 | 124 | 22.0 | 17.0 | 1.0 | −3.2 to 5.2 | 0.6376 |
*BMI SDS: Age and sex standardised BMI (BMI z score).
**IMD: Index of multiple deprivation score.