OBJECTIVE The definition of obesity (BMI ≥30 kg/m 2 ), a key risk factor of diabetes, is
widely used in white populations; however, its appropriateness in nonwhite populations has …

Background Ontario, the most populous province in Canada, has a universal healthcare
system that routinely collects health administrative data on its 13 million legal residents that is …

… Contributors: Maria Chiu conceived the study, performed the analyses and prepared the first
… Maria Chiu and Jack Tu had full access to the study data and take final responsibility for the …

Background The placement of drug-eluting stents decreases the frequency of repeat
revascularization procedures in patients undergoing percutaneous coronary intervention (PCI) in …

Background: Temporal trends in risk factors for cardiovascular disease and the impact of
socio-economic status on these risk factors remain unclear. Methods: Using data from the …

Background Surname lists are useful for identifying cohorts of ethnic minority patients from
secondary data sources. This study sought to develop and validate lists to identify people of …

Researchers are increasingly using complex population-based sample surveys to estimate
the effects of treatments, exposures and interventions. In such analyses, statistical methods …

Objective: Little is known about mental health service use among Canadian children and
youth. Our objective was to examine temporal trends in mental health service use across …

BACKGROUND: We examined mortality time trends and premature mortality among individuals
with and without schizophrenia over a 20-year period. METHODS: In this population-…

Importance Public health measures to reduce the spread of COVID-19 have heightened
distress among children and adolescents and contributed to a shift in delivery of mental health …