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Table 1 Baseline characteristics of study participants

From: Couch potatoes to jumping beans: A pilot study of the effect of active video games on physical activity in children

Characteristic Intervention Group (n = 10) Control Group (n = 10)
Age, yr   
   Mean ± SD 11 ± 1 13 ± 1
   Median [1st quartile, 3rd quartile] 10.5 [10, 12] 13 [12.25, 13.75]
Gender, n (%)   
   Females 4 (40%) 4 (40%)
Use of all video games, minutes/day*   
   Mean ± SD 65 ± 55 96 ± 88
   Median [1st quartile, 3rd quartile] 48 [31, 66] 80 [30, 104]
Physical activity counts measured by accelerometer, counts/minute   
   Mean ± SD 490 ± 188 490 ± 203
   Median [1st quartile, 3rd quartile] 425 [400, 544] 418 [358, 585]
Time spent in light activity, minutes/day   
   Mean ± SD 635 ± 90 652 ± 134
   Median [1st quartile, 3rd quartile] 670 [594, 695] 650 [522, 779]
Time spent in moderate activity, minutes/day   
   Mean ± SD 97 ± 48 69 ± 23
   Median [1st quartile, 3rd quartile] 86 [59, 131] 70 [52, 81]
Time spent in vigorous activity, minutes/day   
   Mean ± SD 7 ± 8 7 ± 7
   Median [1st quartile, 3rd quartile] 6 [2, 9] 3.4 [3, 11]
Self-reported physical activity   
Time spent in moderate activity, minutes/day   
   Mean ± SD 94 ± 56 64 ± 64
   Median [1st quartile, 3rd quartile] 90 [65, 125] 44 [19, 89]
Time spent in vigorous activity, minutes/day   
   Mean ± SD 80 ± 54 98 ± 87
   Median [1st quartile, 3rd quartile] 72 [34, 118] 49 [34, 159]
PAQ-C score   
   Mean ± SD 3.2 ± 0.5 2.7 ± 0.8
   Median [1st quartile, 3rd quartile] 3.3 [3, 3.5] 2.65 [2.2, 3]
Waist circumference, cm   
   Mean ± SD 73 ± 10 69 ± 11
   Median [1st quartile, 3rd quartile] 74 [68, 80] 65 [64, 70]
BMI, kg/m2   
   Mean ± SD 20.4 ± 3.6 19.0 ± 3.6
   Median [1st quartile, 3rd quartile] 20.4 [17.9, 22.2] 18.3 [16.9, 20.3]
Overweight, n (%)# 1 (10%) 4 (40%)
  1. * Participants completed a four-day record of time spent playing electronic video games (active and inactive)
  2. # Using cut-offs by Cole et al[22]
  3. Note: Data presented in the table are raw data i.e. unadjusted