Table 3

 Mean and 95% confidence intervals of activity (minutes) and fitness in boys and girls by body composition

Body compositionSedentaryModerateVigorousHardVo2 max
Significance for linear trend for body composition divisions–ANOVA.
*p<0.05; **p<0.01; ***p<0.001.
Boys
Normal weight (n = 43)927.9 (900.7 to 955.0)114.3 (103.9 to 124.7)39.1 (33.2 to 44.9)23.9 (18.1 to 29.7)54.2 (52.8 to 55.6)
Overweight (n = 6)902.5 (864.6 to 940.4)122.3 (90.4 to 154.1)40.0 (27.6 to 52.4)23.9 (18.1 to 29.7)50.5 (47.6 to 53.4)
Obese (n = 3)1045.5 (933.8 to 1157.2)58.5 (38.3 to 78.7)14.0 (11.1 to 16.9)4.7 (0.7 to 8.7)46.6 (44.2 to 49.0)
Total (n = 52)935.1* (910.0 to 960.2)110.5** (100.6 to 120.4)37.6* (32.3 to 42.9)22.1 (16.9 to 27.3)53.2 *** (51.8 to 54.6)
Girls
Normal weight (n = 78)962.8 (940.9 to 984.7)96.6 (90.2 to 103.4)24.4 (22.0 to 26.8)12.7 (9.9 to 15.5)49.9 (49.1 to 50.7)
Overweight (n = 18)974.7 (943.6 to 1005.8)94.4 (80.4 to 108.4)24.2 (19.0 to 29.4)9.4 (5.1 to 13.6)48.4 (47.2 to 49.6)
Obese (n = 4)935.0 (795.3 to 1074.7)93.0 (73.6 to 112.4)28.8 (14.4 to 43.2)12.5 (1.1 to 23.9)47.7 (44.1 to 51.3)
Total (n = 100)963.8 (945.7 to 981.9)96.1 (90.6 to 101.6)24.5 (22.3 to 26.7)12.1 (9.8 to 14.4)49.5 (48.8 to 50.2)