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The prevalence of Attention-Deficit/Hyperactivity Disorder (ADHD) diagnoses and medication use has increased over time around the world, but significant regional differences remain. This paper aims to determine and explain disparities in ADHD prevalence and medication use among school-aged children in two distinct school systems, in Flanders (Belgium) and Québec (Canada). We present detailed descriptive and comparative analyses of data from 35 schools, 114 teachers, and 1046 parents (children) that were collected as part of a comparative international project. The data concern teacher and parent suspicions, teachers' ratings of ADHD-related behaviors in children, teachers' views of medication use, and teachers' beliefs about ADHD. The results show that, compared with Flanders, Québec had significantly more children diagnosed with ADHD and more frequent suspicions of ADHD in children by teachers and parents. We refer to the conceptual, institutional, and interactional levels of medicalization to interpret our findings and conclude that social and cultural readings of children's behaviors differ greatly between regions. Medicalization of children's behaviors is more common in Québec than in Flanders. [ABSTRACT FROM AUTHOR]

Aims: Social–epidemiological explanations of health inequalities usually take the existence of social inequality as a given and ignore the fundamental questions of why social inequality exists in the first place and why it is so persistent. I review here theories of the explanation of social inequality to identify the processes and/or structures responsible for its persistence. Methods: This paper is a review of the relevant sociological literature. Results: The sociological literature suggests that what persists over long periods of time is not a specific manifestation of social inequality but a ‘meta-phenomenon’: the fact that there are different social positions, that these social positions give access to different levels of resources in some graded way and that the distribution of individuals over social positions follows rules that create inequalities in the opportunities for achieving a more advantaged social position. The durability of social inequality in this generic form can then be understood from the persistence of the underlying mechanisms and processes – for example, humans are driven by self-interest, while most objects of their striving are in short supply, therefore a struggle for rewards is present in all societies; humans are unequally endowed, therefore some are more successful in this struggle for resources than others; and the inequalities resulting from these individual level actions are structurally fixated through the intergenerational transmission of (dis)advantage, various societal institutions, and cultural factors. Conclusions: The sociological literature suggests that some mechanisms producing and perpetuating social inequality are more ‘benign’ than others. Health inequalities may be more than a consequence of social inequality and may play a more profound part by amplifying social inequalities. [ABSTRACT FROM AUTHOR]