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Background Binge drinking occurs frequently among young adults, posing risks to health and safety. Little is known, however, about which drinkers continue to binge later into adulthood. We sought to identify predictors of sustained binge drinking behaviors in young adulthood. Methods Participants from the Nicotine Dependence in Teens ( NDIT) cohort ( n = 609, 53% female) completed self-report questionnaires in 20 survey cycles ( SCs) during secondary school between 1999 and 2005, and in 2 postsecondary school SCs in 2007 to 2008 ( SC 21; Mage = 20 years) and 2011 to 2012 ( SC 22; Mage = 24 years). Participants reporting past-year binge drinking in both SCs 21 and 22 were categorized as sustainers ( n = 517). Using multivariable logistic regression, we investigated 25 potential predictors of sustained binge drinking, binge-drinking frequency, and change in frequency over time among sustainers. Results Compared with stoppers, sustainers (85% of participants) were more likely to be younger, male, and to have no college/university education. Sustainers began drinking alcohol and binge drinking earlier, drank at least monthly during more secondary school grades, binged more frequently at age 20, and scored higher on impulsivity and novelty seeking in adolescence. Among sustainers, frequent binge drinkers were more likely to be male, to be nonstudents, to score higher on novelty seeking, and to have reported more depressive symptoms in adolescence. Sustainers who decelerated their binge frequency between SCs 21 and 22 were more likely to be female, to have achieved a higher level of education, and to report more depressive symptoms in SC 21. Conclusions The determinants of sustained binge drinking are similar to predictors of binge drinking reported in the literature. Early identification of, and intervention with, youth who are impulsive, inclined toward novelty seeking, and who report higher levels of early sub clinical depressive symptoms might forestall their involvement in risky alcohol use. [ABSTRACT FROM AUTHOR]

BACKGROUND: The purpose of the present study was to examine whether the availability of intramural or extramural sports in secondary schools is associated with physical activity levels in youth throughout secondary school and at age 20. METHODS: Eight hundred and eight adolescents from 10 secondary schools in Montreal, Canada, provided physical activity data every 3 months during the school year from ages 13 to 17, and again at age 20. School administrators completed questionnaires on the availability of intramural and extramural sports. Three-level general linear models were used to examine associations among the number of intramural and extramural sports, moderate and vigorous physical activity controlling for age, sex, body mass index, mother’s education, and school-level socioeconomic status. RESULTS: Regardless of whether or not they reported participating in intramural sports, adolescents in schools with more intramural sports engaged in 3.6 (p = .03) more total, and 1.3 (p = 0.03) more vigorous activities per week than those attending schools with fewer intramural sports. Number of extramural sports was not statistically significantly associated with physical activity, regardless of whether or not individual students participated. CONCLUSION: Providing more opportunities for intramural sports in secondary schools may be an effective strategy to help adolescents attain physical activity recommendations. [ABSTRACT FROM AUTHOR]