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Table 3 Correlates of overweight/obesity in randomized sample of Czech adolescents in relation to FA: HBSC survey 2002–2014

From: Trends and correlates of overweight/obesity in Czech adolescents in relation to family socioeconomic status over a 12-year study period (2002–2014)

   Overweight/Obesity  
  Low FA Medium FA High FA
   95% CI   95% CI   95% CI
  OR Lower Upper OR Lower Upper OR Lower Upper
Year of data collection
 2002 Ref.    Ref.    Ref.   
 2006 1.20 0.98 1.47 1.84*** 1.57 2.16 1.76** 1.20 2.58
 2010 1.18 0.91 1.53 1.71*** 1.45 2.02 1.98*** 1.38 2.84
 2014 1.41*** 1.17 1.70 1.63*** 1.38 1.93 1.50* 1.03 2.19
Gender
 Boys Ref.    Ref.    Ref.   
 Girls 0.52*** 0.45 0.61 0.44*** 0.39 0.49 0.41*** 0.34 0.50
Categorical age
 11 years Ref.    Ref.    Ref.   
 13 years 0.70*** 0.59 0.84 0.70*** 0.61 0.80 0.78* 0.62 0.98
 15 years 0.52*** 0.43 0.63 0.58*** 0.51 0.67 0.63*** 0.50 0.81
MVPA recommendation
  < 60 min of MVPA per day Ref.    Ref.    Ref.   
  ≥ 60 min of MVPA per day 0.83 0.69 1.00 0.83** 0.73 0.95 0.69** 0.56 0.86
ST recommendations weekdays
  > 2 h per weekday Ref.    Ref.    Ref.   
  ≤ 2 h per weekday 0.86 0.70 1.06 0.92 0.79 1.08 0.61** 0.44 0.84
ST recommendations weekend
  > 2 h per weekend day Ref.    Ref.    Ref.   
  ≤ 2 h per weekend day 0.77* 0.61 0.96 0.94 0.79 1.11 1.04 0.74 1.45
  1. FA family affluence, MVPA moderate-to-vigorous physical activity, ST screen time, OR odds ratio (logistic regression Enter method – three analyses separately for each category of FA); CI – 95% confidence interval; *p < 0.05, **p < 0.01, ***p < 0.001