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Table 4 General Statistics of main independent variables

From: Why are some groups physically active and others not? A contrast group analysis in leisure settings

Independent Variable N Physical Activity Level (M: mean) SD Sig.a Effect size
Observational setting
 Entringen Pool 328 2.57 1.032 .381 (n.s.) 0.062 (Cohen’s d)
 Champagne Pond 579 2.64 1.192
Gender-related group composition
 Female 208 2.39 0.734 .000 0.119 (part. Eta squared)
 Male 111 1.70 1.014
 Mixed 588 2.87 1.172
Group size (categories)
 2–3 members (1) 489 2.15 0.962 .000 0.119 (part. Eta squared)
 4–5 members (2) 316 3.08 1.177
 6 and more members (3) 102 3.39 0.706
Age -related group composition (specific)
 Adults only 644 2.49 1.145 .000 0.095 (part. Eta squared)
 Age-mixed 190 3.25 1.006
 Children 34 1.85 0.436
 Adolescents 38 2.24 0.675
Age-related group composition (homogeneous/ heterogeneous)
 Age-homogeneous 781 2.45 1.104 .000 1.236 (Cohen’s d)
 Age-heterogeneous 126 3.62 0.757
Body shape-related group composition
 Mainly Athletic 69 1.35 0.855 .000 0.259 (part. Eta squared)
 Mainly Normal-weight 408 2.27 1.135
 Mixed 252 2.96 0.815
 Mainly Obese 178 3.42 0.848
Additional equipment
 Yes 474 3.12 1.012 .000 1.053 (Cohen’s d)
 No 433 2.06 1.001
Communication level within group
 1 (frequent and lively) 398 3.25 0.880 .000 0.303 (part. Eta squared)
 2 (occasional) 346 2.36 1.009  
 3 (almost none) 161 1.60 0.990
Day of observation
 Workday 474 2.46 1.124 .000 - 0.293 (Cohen’s d)
 Weekend 433 2.79 1.127
  1. n.s Not significant
  2. aSignificance level after Bonferroni correction: p = 0.05/24 = 0.00208