Efficacy of a compulsory homework programme for increasing physical activity and improving nutrition in children: a cluster randomised controlled trial

Table 2 Generalized linear mixed model results of between group differences, T₁ and T₂, primary and secondary outcome variables

Outcome^a	β	SE	Z	P	95% CI
Body size
BMI - T₁	-0.001	0.004	-0.31	0.755	-0.007, 0.007
BMI - T₂	-0.010	0.004	-2.32	0.020*	-0.019, 0.002
WtHR - T₁	-0.030	0.021	-1.41	0.159	-0.072, 0.012
WtHR - T₂	0.001	0.011	0.10	0.921	-0.020, 0.022
Physical Activity
Weekday steps, school - T₁	0.124	0.070	1.77	0.077	-0.014, 0.262
Weekday steps, school - T₂	0.106	0.071	1.48	0.139	-0.034, 0.246
Weekday steps, home - T₁^b	0.260	0.070	3.62	< 0.001*	0.078, 0.395
Weekday steps, home - T₂^b	0.194	0.083	2.35	0.019*	0.032, 0.356
Weekend steps - T₁	0.304	0.065	4.65	< 0.001*	0.176, 0.431
Weekend steps - T₂	0.420	0.119	3.53	< 0.001*	0.187, 0.653
Nutrition and Television
Fruit consumption - T₁	0.207	0.099	2.10	0.036*	0.014, 0.401
Fruit consumption - T₂	0.017	0.134	0.13	0.900	-0.247, 0.281
Vegetable consumption - T₁	0.042	0.112	0.38	0.707	-0.179, 0.263
Vegetable consumption - T₂	0.153	0.136	1.12	0.263	-0.115, 0.420
Fast food consumption - T₁	0.003	0.064	0.05	0.958	-0.121, 0.128
Fast food consumption - T₂	0.127	0.100	1.27	0.203	-0.068, 0.323
Soft drink consumption - T₁	0.037	0.131	0.28	0.780	-0.220, 0.294
Soft drink consumption - T₂	-0.007	0.174	-0.04	0.969	-0.347, 0.334
Weekday TV- T₁	0.048	0.077	0.62	0.536	-0.104, 0.200
Weekday TV- T₂	0.009	0.099	0.09	0.925	-0.184, 0.203
Weekend TV- T₁	-0.032	0.128	-0.25	0.802	-0.284, 0.220
Weekend TV- T₂^b	-0.005	0.173	-0.03	0.978	-0.343, 0.334

*P < 0.05
^aRandom effects statistics excluded for brevity, but available upon request. All models were adjusted for age and sex
^bCrude results presented in this table. Adjusted models, controlling for school socioeconomic decile presented in Table 3

ISSN: 1479-5868