as well as measurement concepts to capture (child and youth) well-being in a way that is needed in order to shed light on … longitudinal study on child and youth well-being revealing new trends in a longterm perspective. As a part of an international … interrelation to measurement concepts. Thereby, our focus lies on the question how subjective measurement concepts can provide added …

) in order to jointly generate tools and knowledge that enable the timely identification of children and adolescents who … and adolescent labour .-- 3. Child labour measurement and its information sources .-- 4. Proposals for child labour risk …

Background: The trend in the BMI values of US children has not been estimated very convincingly because of the absence … of longitudinal data. Our object is to estimate time series of BMI values by birth cohorts instead of measurement years …. Methods: We use five regression models to estimate the BMI trends of non-Hispanic US-born black and white children and …