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Table 5 Associations between individual and social environmental factors with VPA in POS

From: Factors related with public open space use among adolescents: a study using GPS and accelerometers

Individual factors Logistic regressiona Gamma modelb
OR 95% CI Exp. B 95% CI
Gender (ref = male) 0.21** 0.07–0.63 0.60* 0.39–0.92
Education (ref = general)
 Vocational 0.70 0.17–2.90 0.59° 0.34–1.04
 Technical 0.32 0.07–1.52 1.15 0.48–2.75
Age 0.60° 0.36–1.00 0.94 0.73–1.19
Ethnicity (ref = Belgium) 0.71 0.25–2.00 0.84 0.53–1.37
Sport club membership (ref = yes) 0.54 0.19–1.59 1.18 0.74–1.88
  1. VPA vigorous-intensity physical activity, OR odds ratio, CI confidence interval, Exp. B exponent of B, POS public open space, ref reference category, min minutes, ° = α < 0.1 = trend towards significance
  2. *α < 0.05; **α < 0.01
  3. aThe logistic regression model estimated the association of the independent factors with the odds of having used a POS for VPA
  4. bThe Gamma models (Exp. B) estimated the proportional difference in min of VPA in POS associated with a one-unit difference in the independent variables for adolescents that had used a POS. Analyses were controlled for mean temperature, residence, POS visits/day, total wear time (mean min/day), total time in POS, total time in VPA/day and amount of days. All Gamma models were fitted using the log link function