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Table 2 Median and interquartile range of the physical activity and dietary variables for the intervention and control groups.

From: Efficacy of a compulsory homework programme for increasing physical activity and healthy eating in children: the healthy homework pilot study

  Intervention Control
  N Baseline Follow-up N Baseline Follow-up
Physical activity (steps.day-1)       
   Weekday 47 10,700 (8,420, 12,150) 12,290 (9,990, 16,270) 35 11,460 (9,110, 13,660) 10,100 (7,670, 14,160)
   Weekend 38 7,940 (5,760, 11,770) 8,670 (6,460, 11,960) 22 8,160 (6,410, 11,470) 7,090 (4,690, 9,220)*
   Overall 35 10,790 (8,200, 12,160) 11,790 (9,670, 15,680) 21 11,240 (9,420, 12,860) 9,910 (7,500, 12,700)
Screen time (h.day-1)       
   Weekday 30 1.00 (0.21, 1.75) 0.83 (0.17, 1.50) 21 0.71 (0.50, 1.68) 1.00 (0.31, 2.38)
   Weekend 30 1.29 (0.32, 2.56) 1.75 (0.86, 2.45) 21 1.61 (0.88, 3.19) 1.75 (0.75, 3.50)
   Overall 30 1.25 (0.36, 1.93) 1.05 (0.63, 1.52) 21 1.09 (0.59, 2.04) 1.25 (0.39, 2.64)
Sports participation (h.day-1)       
   Weekday 27 0.50 (0.09, 0.75) 0.75 (0.44, 1.21) 22 0.48 (0.09, 0.76) 0.82 (0.31, 1.00)
   Weekend 26 0.67 (0.13, 1.44) 0.58 (0.01, 1.81) 21 0.58 (0.04, 1.33) 0.75 (0.17, 1.42)
   Overall 26 0.64 (0.14, 1.01) 0.71 (0.46, 1.28) 21 0.52 (0.14, 0.90) 0.81 (0.41, 1.14)
Active transport to/from school (h.day-1)       
   Weekday 19 0.17 (0.00, 0.33) 0.13 (0.00, 0.44) 13 0.15 (0.00, 0.46) 0.00 (0.00, 0.29)
Fruit consumption (servings.day-1)       
   Weekday 33 1.25 (0.94, 1.55) 1.50 (1.00, 2.25) 26 1.00 (0.38, 1.81) 1.50 (0.69, 2.00)
   Weekend 33 0.50 (0.00, 1.50) 1.00 (0.50, 1.50) 26 0.50 (0.19, 1.50) 0.50 (0.19, 1.31)
   Overall 33 1.07 (0.70, 1.75) 1.43 (0.86, 2.11) 26 1.06 (0.58, 1.43) 1.14 (0.69, 1.66)
Vegetable consumption (servings.day-1)       
   Weekday 33 1.00 (0.50, 1.88) 1.00 (0.50, 2.00) 26 1.00 (0.50, 2.00) 0.93 (0.00, 1.50)
   Weekend 33 0.50 (0.00, 1.00) 2.00 (0.75, 2.50) 26 1.00 (0.38, 2.25) 1.25 (0.38, 1.81)
   Overall 33 0.79 (0.36, 1.68) 1.43 (0.83, 1.93) 26 1.13 (0.47, 1.81) 0.93 (0.36, 1.57)
Unhealthy food consumption (servings.day-1)       
   Weekday 33 2.00 (1.50, 3.00) 1.50 (0.50, 2.75) 26 2.25 (1.00, 3.50) 1.50 (1.00, 3.13)
   Weekend 33 2.00 (1.00, 3.50) 1.00 (0.50, 1.50) 26 2.00 (1.00, 2.50) 1.50 (1.00, 2.50)
   Overall 33 2.07 (1.43, 3.00) 1.21 (0.68, 2.43) 26 1.90 (1.27, 3.43) 1.68 (1.24, 2.63)
Unhealthy drink consumption (servings.day-1)       
   Weekday 33 1.00 (0.00, 1.50) 0.00 (0.00, 0.50) 26 0.00 (0.00, 1.00)* 0.00 (0.00, 0.50)
   Weekend 33 1.00 (0.00, 2.00) 0.50 (0.00, 1.25) 26 0.50 (0.00, 1.00) 0.00 (0.00, 1.00)
   Overall 33 0.93 (0.07, 1.79) 0.29 (0.00, 0.79) 26 0.29 (0.00, 0.88) 0.29 (0.00, 0.79)
  1. *Significantly different from intervention (P < 0.05). Significantly different from baseline (P < 0.05); Significantly different from baseline (P < 0.01).