Jinette Comeau|Katholiki Georgiades|Laura Duncan|Li Wang|Michael H. Boyle
Changes in the Prevalence of Child and Youth Mental Disorders and Perceived Need for Professional Help between 1983 and 2014: Evidence from the Ontario Child Health Study
King's University College|McMaster University|McMaster University|McMaster University|McMaster University
examine 1 changes prevalence mental disorders perceived need professional help among children ages 4 11 youth ages 12 16 1983 2014 ontario 2 whether changes vary age sex urbanrural residency poverty loneparent status immigrant backgroundthe 1983 n 2836 2014 n 5785 ontario child health studies provincially representative crosssectional surveys identical selfreport checklist measures conduct disorder hyperactivity emotional disorder well perceived need professional help assessed integrating parent teacher responses ages 4 11 parent youth responses ages 12 16the overall prevalence perceived need professional help increased 68 189 among 4 16yearolds increase disorder among children 154 196 attributable increases hyperactivity among males 89 157 although prevalence disorder change among youth conduct disorder decreased 72 25 emotional disorder increased 92 132 prevalence disorder increased rural small medium urban areas versus large urban areas prevalence disorder decreased children youth immigrant nonimmigrant familiesalthough decreases prevalence conduct disorder increases mental disorders perceived need professional help underscore continued need effective prevention intervention programs