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. Author manuscript; available in PMC: 2017 Jun 1.
Published in final edited form as: Addict Behav. 2016 Jan 22;57:21–29. doi: 10.1016/j.addbeh.2016.01.011

Table 1.

Data analytic plan: Research questions investigated via univariate t-tests (1), hierarchical regression models with tests of simple slopes (2), and bootstrap tests of moderated multiple mediation (3).

Research question Analytic strategy
RQ1 Are there gender differences in students’ T1 exposure to peers’ alcohol-related content on FB, IG, or SC? 1
RQ2 A) Does overall exposure to peers’ alcohol-related SMS content at T1 significantly predict alcohol consumption at T2, after controlling for participants own alcohol use and that of close college friends? 2
B) Is the strength of the association the same for male and female students?
RQ3 A) Does overall exposure to peers’ alcohol-related SMS content at T1 significantly predict theorized mediators, descriptive norm perceptions, college alcohol beliefs, and enhancement motives after controlling for participants own alcohol use and that of close college friends? 2
B) Are relationships moderated by gender?
RQ4 A) Do the theorized mediators partially or fully explain the relationships between male and female students overall exposure to peers’ alcohol-related SMS content at T1 and alcohol consumption at T2? 3
B) Do the direct and indirect effects differ by gender?