Fig. 2From: Childhood asthma and physical activity: a systematic review with meta-analysis and Graphic Appraisal Tool for Epidemiology assessmentRandom-Effects Model: Study-Specific and Overall Odds Ratios (ORs) with 95 % Confidence Intervals (CIs). Data are derived from the meta-analysis of low physical activity (PA) and new-onset asthma during childhood. High PA: Reference categoryBack to article page