Table 5 Paired T-tests for BMI SDS, at the child and cluster/school levels, for six measurement comparisons using a Holm adjustment for multiple tests
From: Testing a multicomponent lifestyle intervention for combatting childhood obesity
Paired T-tests (Child level – Primary analysis) | Mean/Estimatea | SD/SEa | 95% CI | t-stat | p-value |
|---|---|---|---|---|---|
Baseline to Post-Camp | -0.09 | 0.13 | (−0.11,-0.08) | −11.30 | < 0.0001 |
Baseline to Post-Club | − 0.14 | 0.26 | (− 0.17,-0.11) | −9.34 | < 0.0001 |
Post-Camp to Post-Club | −0.06 | 0.25 | (−0.09,-0.03) | −3.79 | < 0.0001 |
Paired T-tests (School level – Sensitivity analysis) | |||||
Baseline to Post-Camp | −0.09 | 0.07 | (−0.13,-0.05) | −5.24 | < 0.0001 |
Baseline to Post-Club | −0.15 | 0.12 | (−0.21,-0.08) | −4.78 | 0.0002 |
Post-Camp to Post-Club | −0.07 | 0.11 | (−0.13,-0.002) | −2.23 | 0.0220 |
Random Effects Models (Sensitivity analysis) | |||||
Baseline to Post-Camp | |||||
alpha | −0.09 | 0.02 | (−0.13,-0.06) | −5.15 | < 0.0001 |
sigma | 0.06 | (0.04,0.09) | |||
Baseline to Post-Club | |||||
alpha | −0.15 | 0.03 | (− 0.21,-0.08) | −4.82 | < 0.0001 |
sigma | 0.10 | (0.05,0.16) | |||
Post-Camp to Post-Club | |||||
alpha | −0.06 | 0.03 | (−0.12,-0.01) | −2.32 | 0.0102 |
sigma | 0.08 | (0.03,0.14) | |||