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Table 4 Odds of depressive symptoms in 2003 per hour change in level of physical activity between 2001 and 2003 as main explanatory variablea.

From: Physical activity and depressive symptoms in adolescents: a prospective study

  Boys, N = 812 Girls, N = 863
  OR 95% CI (Pvalue) Wald Pvalue OR 95% CI (Pvalue) Wald Pvalue
Crude odds 0.98 0.89 to 1.09 (0.715)   0.95 0.87 to 1.03 (0.179)  
Adjusted for general health/long-standing illness 0.99 0.89 to 1.09 (0.810) 0.4303 0.95 0.88 to 1.03 (0.226) 0.5667
Adjusted for health behaviours 0.99 0.89 to 1.10 (0.873) 0.6241 0.95 0.87 to 1.04 (0.284) 0.0638
  1. aAll analyses adjusted for baseline depressive symptoms and physical activity.
  2. OR = odds ratio.