“…7 TV viewing, video/computer game use and physical activity In total, 33 studies [11][12][13]17,18,21,25,[30][31][32]36,38,39,46,[48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65][66] were located that presented a measure of association between physical activity and TV viewing, playing video games or computer use. Nine studies were excluded from analyses either because they had serious design limitations, 46,50,51 presented insufficient data for meta-analytic synthesis, 11,12,54 presented data on composite measures of sedentary behavior 49,52 or reported on special populations. 36 The remaining [24] studies presented data on [41] independent samples (the unit of analysis) and were included in the final analyses.…”