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. 2016 Jul 19;11(7):e0159037. doi: 10.1371/journal.pone.0159037

Table 1. Description and classification of dependent variables used in the study.

VARIABLE DEFINITION QUESTIONNAIRE CLASSIFICATION
Physical inactivity Not performing physical activity at least five times per week (60 minutes per day) last week. YRBS [20] Strong et al. [22]
Excessive alcohol consumption Ingesting five or more doses (approximately 60 g alcohol) in the same time regardless of frequency. YRBS [20] Rehm et al. [23]
Smoking Have smoked one or more cigarettes in the last 30 days. YRBS [20] WHO [24]
Sedentary behaviour Remain four daily hours or more at the computer, television or video games on weekdays and weekends. Questionnaire Moraes et al. [25]; Silva et al. [10]
Unhealthy diet Not meeting recommendations of one or more of the following items below: Animal fat (consuming up to three servings daily), sugar, salt, candies and snack (avoid daily consumption). Fantastic [20] Rodriquez Anez et al. [21]