Table 2 |
||||
| Anthropometric and socio-demographic data of the excluded and remaining participants in the ACARFS study | ||||
| Excluded Participants (n29) | Remaining participants | |||
| Total (n 691) | Year 4 (n 354) | Year 6 (n 337) | ||
| School Year 4 (%) | 58.6* | 51.2* | ||
| Female (%) | 65.5* | 56.2* | 56.2 | 56.1 |
| Age (years) -mean ± SD | 10.8 (±1.1)† | 11.0 (±1.1)† | 10.0 (±0.4) | 12.1 (±0.4) |
| Height (cm) -mean ± SD | 146.8 (±7.7)† | 145.7 (±9.4)† | 139.4 (±6.7) | 152.4 (±6.9) |
| Weight (kg) -mean ± SD | 40.9 (±7.4)† | 41.0 (±10.8)† | 35.9 (±8.3) | 46.3 (±10.6) |
| BMI (kg/m2) -mean ± SD | 18.9 (±2.6)† | 19.1 (±3.5)† | 18.4 (±3.2) | 19.8 (±3.5) |
| BMI z-score -mean | 0.73 (±1.1)† | 0.67 (±1.2)† | 0.63 (±1.2) | 0.72 (±1.1) |
| Overweight (%)a | 20.7† | 22.3† | 21.2 | 23.4 |
| Obese (%)a | 6.9† | 5.8† | 6.5 | 5.1 |
cm, centimetres; m, meters; SD, standard deviation. a Healthy weight, overweight or obese classified using the UK age and gender-specific BMI z-score cut-off points that correspond to a BMI of 25 for overweight and 30 for obese at 18 years of age. * P-values for the comparison of excluded participants and remaining participants using the students t-test (two-tailed) were not significant (P > 0.05). †P-values for the comparison of excluded participants and remaining participants using the Wilcoxon test (two-tailed) were not significant (P > 0.05).
Marshall et al. Nutrition Journal 2012 11:96 doi:10.1186/1475-2891-11-96
