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Résumé (anglais)

Background Use of second-generation antipsychotics (SGA) has increased in recent years; however, their use and effect on metabolic outcomes has been poorly characterised in population-level studies. Aims This study aimed to determine the associations between SGA use and metabolic indicators in a general population. Method We used data from the Canadian Health Measures Survey, a cross-sectional survey of Canadian households. Participants were Canadians aged 3-79 years, living in one of the ten provinces. Several metabolic indicators were examined, including weight, body mass index, waist circumference, hypertension, diabetes and two definitions of metabolic syndrome. Results The proportion of Canadians taking an SGA tripled over the study period. SGA use was significantly associated with hypertension (odds ratio 1.94, 95% CI 1.07-3.55) and abdominal obesity in adults, as defined by the National Cholesterol Education Program-Adult Treatment Panel III (odds ratio 2.62, 95% CI 1.45-4.71). Conclusions Evidence of metabolic dysfunction with SGAs is seen in the Canadian population, along with a rapid increase in prevalence of use since 2007.