Fig. 1From: Cross-sectional and longitudinal associations between physical activity, sedentary behaviour and bone stiffness index across weight status in European children and adolescentsFlow diagram of children included in final analysis groups, baseline examination (IDEFICS): 2007/2008, two-year follow-up examination (IDEFICS): 2009/2010, six-year follow-up examination (I.Family): 2013/2014. QUS quantitative ultrasound, PA physical activity, SB sedentary behaviourBack to article page