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. 2021 Mar 18;18(6):3162. doi: 10.3390/ijerph18063162

Table 3.

Groups’ mean comparisons in health behavior and body composition.

Number of Weekly Practices
0 (Group 1) ≤3 (Group 2) 4–5 (Group 3) 6–7 (Group 4)
N Mean SE N Mean SE N Mean SE N Mean SE
Behavior
PA (ctm) a 92 1838.4 48.91 53 1875.7 60.73 76 2160.6 ƚ* 51.54 73 2223.3 ƚ* 51.21
-Boys 29 1781.1 76.01 22 1701.4 87.30 29 2241.4 ƚ* 76.04 40 2176.5 ƚ* 64.74
-Girls 63 1895.7 57.05 31 2050.0 81.33 47 2079.7 66.05 33 2270.3 ƚ 78.8
CRF b 76 173.6 2.54 44 176.6 3.28 64 191.5 ƚ* 2.75 58 197.8 ƚ* 2.93
Sleep (min) 92 391.2 4.81 53 398.0 6.74 76 394.8 4.56 73 394.4 4.59
ST (hrs) c 94 6.74 0.26 53 6.40 0.39 78 5.12 ƚ* 0.28 74 5.36 ƚ* 0.29
Body comp
Fat% c 97 27.5 0.66 53 27.2 0.88 76 24.5 ƚ 0.74 71 22.1 ƚ* 0.76
FFM c (kg) 97 47.6 0.57 53 46.9 0.75 76 49.4 0.63 71 50.2 ƚ* 0.65

a Adjusted for sex/OSP interaction, b adjusted for sex and FFM, c adjusted for sex, ƚ significantly different from the not-actively engaged group (zero practice sessions per week), * significantly different from the group with three or less practice sessions per week (≤3). PA = physical activity, CRF = cardiorespiratory fitness, ST = screen time, Fat% = body fat percentage, FFM = fat free mass. Estimated means displayed where covariates were included in the analyses.