Comparison of the intervention and control groups at baseline.

<p>The abbreviation PA is physical activity, CRF is cardiorespiratory fitness, Energy is energy intake, Fat is fat intake, CHO is carbohydrate intake, Sugar is sugar intake; these were scaled by square root or the natural logarithm to meet linearity assumptions. There were no significant differences between intervention and control groups for any variable in either sex (P>0.3 for all).</p>a<p>the age for each child varied across the measurement period of 10 weeks.</p>b<p>164 (83 intervention) boys and 176 (98 intervention) girls completed the dietary records.