Addictive behaviors
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College students drink in consistent patterns over the course of the academic semester and year (Beets et al., 2009; Del Boca et al., 2004). However, it is unclear if there are naturally occurring groups of female Thursday drinkers who display their own unique patterns of drinking across the semester. In a fall semester 10-week mixed online- and paper-based study of college female drinking, classes of Thursday drinkers were identified using Repeated Measures Latent Class Analysis. ⋯ Results indicated that the Unlikely group consumed significantly less alcohol at baseline, had lower levels of negative alcohol-related consequences prior to and during the study, and drank less on the weekends (Friday and Saturday). Female students who report drinking on Thursdays tend to be older, to be part of sororities, to have later classes or no classes on Friday, and to experience more negative alcohol-related consequences. Female students whose "weekends" start early are high-risk drinkers and might be targeted for future prevention and intervention efforts.