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OBJECTIVE This study aimed to describe the natural course of DSM-III-R alcohol disorders as a function of age at first alcohol use and to investigate the influence of early use as a risk factor for progression to the development of alcohol disorders, exclusive of the effect of confounding influences. METHOD Data were obtained from a community sample(More)
OBJECTIVE Student drinking is largely related to the setting of the drinking occasion as well as to individual psychosocial characteristics. This article assesses the effect of the reasons for drinking on situational alcohol use above and beyond other environmental and individual factors. METHOD The data were drawn from the Canadian Campus Survey, a(More)
Data from a randomly selected sample of 840 Ontario students were used to examine factors that affect self-rated physical health. Analyses focused on demographics, family structure, family financial situation, child-parent relationship, school achievement, self-esteem, alcohol, tobacco and cannabis use as factors which directly and indirectly influence(More)
This study investigates the age 25 outcomes of late adolescent mental health and substance use disorders. A hierarchical cluster analysis of age 19 DSM-III-R mental health and substance diagnoses placed participants into one of 9 clusters: Anxious, Depressed, Antisocial, Drug Abuser, Problem Drinker, Anxious Drinker, Depressed Drug Abuser and Antisocial(More)
OBJECTIVE To examine the association between early childhood speech and language disorders and young adult psychiatric disorders. METHOD In a longitudinal community study conducted in the Ottawa-Carleton region of Ontario, Canada, interviewers administered structured psychiatric interviews to age 19 participants who were originally identified as(More)
Using a multi-level approach, we examined the contribution of drinking setting characteristics and of individual characteristics on the alcohol intake per drinking occasion. The data are drawn from the Canadian Campus Survey, a national mail survey conducted in 1998 with a random sample of 8,864 students in 18 universities. For each student, up to five(More)
OBJECTIVE To explore the prevalence and the demographic predictors of nonmedical use of opioid analgesics in the Canadian adolescent population. DESIGN Data are based on self-reports derived from the 2007 Ontario Student Drug Use and Health Survey, which is an anonymous, in-school, cross-sectional survey. SETTING Schools in Ontario. PARTICIPANTS A(More)
This paper reports a study of alcohol- and drug-use by older clients in relation to their health and well-being. The sample of 349 persons was drawn from adults aged 60 and over living in senior citizens apartments in Toronto. Interviews were done in several languages. The results indicated that males and those aged 60 to 65 were less happy and healthy, had(More)
BACKGROUND The decline in physical activity during adolescence is a key public health concern. This comparative study assesses whether the age-related decline in physical activity among high school students occurs similarly in the United States (U.S.) and Ontario, whether the decline in physical activity is steady throughout the age range, or whether any(More)