Total daily intake of energy. The mean energy intake for the cases and controls by meals are shown in Table 3. Using the unpaired t-test. There was no significant difference in the proportion of cases and controls in the high intake, moderate intake and low intake groups. Distribution of cases and controls by mean total energy intake.
Activity patterns Physical education sessions.
The mean energy expenditure of boys was 2404 kcal for the cases and 2209 kcal for the controls. For girls, the figures were 2078 kcal and 1972 kcal, respectively. No significant difference was detected between the energy expenditure of the cases and controls using the unpaired t-test. No significant difference in energy expenditure was observed between the proportion of cases and controls in all the categories. Time spent on sedentary activities.