Each time, the survey gathers information about substance use and related factors. Handbook of Research on Student Engagement. Associated Data Data Availability Statement The data supporting our findings was provided by the Chilean Ministry of Interior and Ministry of Education for academic and research purposes, and it can only be used by the Principal Investigator Jorge Gaete and his research team. It was performed in agreement with the Declaration of Helsinki. They never or almost never know where you are 5. Multilevel logistic regressions allow examining the effect of individual-level and school-level or contextual factors on student behaviours [ 39 , 40 ].
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