| Variables | Categorization |
| Sex | Male = 0, Female = 1 |
| Age in completed years | continuous variable |
| Socioeconomic index | continuous and dichotomous variable: (low, middle and high level) |
| Types of family structure (nuclear, matrifocal and extended) | Yes = 1, No = 0 |
| Number of family members who are used to do physical activity | continuous variable |
| Your neighborhood has spaces for recreation and physical activity | No = 1, Yes = 0 |
| Your community is safe | No = 1, Yes = 0 |
| Your diet is not healthy | Yes = 1, No = 0 |
| Body Mass Index | continuous variable |
| With risk of cardiovascular disease according to the waist/height ration indicator | Yes = 1, No = 0 |
| You have felt rejection in your educational center. | Yes = 1, No = 0 |
| You have parental support | No = 1, Yes = 0 |
| Student physically assaults you | Yes = 1, No = 0 |
| Student teases you | Yes = 1, No = 0 |
| Number of licit and illicit drugs (consumption) | continuous variable |
| You are part of the following groups: Emo, Metalhead, Rocker, Skate, Phosphorescent, Hiphopper or Gothic | Yes = 1, No = 0 |