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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)
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)
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)
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)
Funded by the Canadian Institutes of Heath Research, the overall objective of the 2004 Canadian Campus Survey is to build understanding regarding the individual, social and environmental determinants of hazardous drinking. This preliminary report describes (1) the prevalence of alcohol use, other drug use, mental health and gambling problems among Canadian(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)
IMPORTANCE The high prevalence of traumatic brain injuries (TBI) among adolescents has brought much focus to this area in recent years. Sports injuries have been identified as a main mechanism. Although energy drinks, including those mixed with alcohol, are often used by young athletes and other adolescents they have not been examined in relation to TBI. (More)
This paper describes gambling problems among Ontario students in 2009 and examines the relationship between gambling problems and substance use problems, mental health problem indicators, and delinquent behaviors. Data were derived from the Ontario Student Drug Use and Health Survey of Ontario students in grades 7-12. Gambling problems were measured as 2 or(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)