Teun Remmers

136 | Chapter 8 Table 2: Afterschool Physical Activity in Contextual Domains N of participants Unadjusted median (IQR) n of days Total minutes Minutes in Light PA Minutes in MVPA ≥ 80% of time within multi-place buffer Residential parcel 253 239.3 (138.7) 89.8 (57.4) 8.3 (14.2) 1 790 (100%) School grounds 233 33.5 (73.3) 15.5 (33.0) 13.5 (35.0) 2 640 (100%) Sports grounds 214 100.2 (55.2) 54.8 (34.7) 41.0 (29.3) 2 202 (42.3%) Afterschool childcare 144 19.8 (39.7) 10.0 (21.7) 2.2 (13.2) 2 181 (67.0%) Shopping centres 220 79.5 (105.1) 44.5 (58.5) 8.0 (11.0) 216 (45.6%) Active transport 253 40.3 (32.7) 23.3 (22.3) 15.0 (17.5) 480 (63.3%) Passive transport 186 19.5 (14.7) 10.3 (8.2) 1.8 (2.3) 45 (13.8%) Other: Leisure time 255 171.2 (136.2) 81.5 (71.5) 1 22.3 (24.8) 544 (68.0%) Gender differences were investigated using log-transformed multilevel linear mixed models, adjusting for context-specific wear time, age, and nested structure of days within children and children within schools. Children that did not participate in a specific context did not contribute to the calculation of the median minutes 1 : significantly lower for boys vs. girls, 2 : significantly higher for boys vs. girls.