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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 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)
Cluster analysis was used to identify subgroups of youths with past-year substance and/or psychiatric disorders (N = 110, mean age 19.0 years). Data for this study came from a community-based, prospective longitudinal investigation of speech/language (S/L) impaired children and matched controls who participated in extensive diagnostic and psychosocial(More)
OBJECTIVE To investigate the relation between psychiatric distress and road rage, paying particular attention to the potential link between psychiatric illness and frequent involvement in serious forms of road rage. METHOD This study reports data on road rage involvement, demographic characteristics, and mental health for a representative sample of 2610(More)
Based on 1853 questionnaires derived from adolescent students participating in the 1995 Ontario Student Drug Use Survey, this article describes the prevalence of rave attendance and the drug-use profile of rave attendees and those participating in similar activities (i.e. bush parties). The results showed that 13% of the sample attended a rave during the 12(More)
OBJECTIVE To determine if smokers and non-smokers cluster into meaningful, discrete subgroups with distinguishable attitudes and behaviours regarding smoking and smoking restrictions. DESIGN Qualitative research with 45 smokers guided development of questionnaire items applied in a population based telephone survey of 432 current smokers and 1332(More)
OBJECTIVES To describe the prevalence of gambling disorders in adolescent students in Ontario. METHOD Data were based on a random survey of 2371 Ontario students in grades 7 to 13 using the South Oaks Gambling Screen revised for adolescents (SOGS-RA). RESULTS In total, 5.8% of students met the criteria for past-year problem gambling, and an additional(More)
OBJECTIVE Our knowledge on the adverse correlates of traumatic brain injuries (TBI), including non-hospitalized cases, among adolescents is limited to case studies. We report lifetime TBI and adverse mental health and conduct behaviours associated with TBI among adolescents from a population-based sample in Ontario. METHOD AND FINDINGS Data were derived(More)
Re-analysis employing covariance-structural models was conducted on Strickland's (1983) survey data on 772 drinking students from Grades 7, 9 and 11. These data bear on the relations among alcohol consumption, alcohol abuse, association with drinking peers and exposure to televised alcohol advertising. Whereas Strickland used a just-identified model which,(More)