Table 1. Description of the variables and their respective categorizations.

Questions	Answer categories	Composed dimensions
TV time (week) (> 5 hours/day)	Yes; No	TV time
TV time (weekend) (> 5 hours/day)	Yes; No
Game time* (week) (> 5 hours/day)	Yes; No	Computer and videogame time
Game time* (weekend) (> 5 hours/day)	Yes; No
Feeling sad	Yes; No	Social support
Feeling lonely	Yes; No
Parents understand my problems	Yes; No
Missing classes without consent	≤ 2 days; > 2 days	Parental supervision
Religious practice	Yes; No
Age at onset of alcohol intake	Never; ≤ 13 years; ≥ 14 years	Health risk behavior
Age at onset of drug intake	Never; ≤ 13 years; ≥ 14 years
Age at first sexual intercourse	Never; ≤ 13 years; ≥ 14 years
Could not sleep because of worry/stress	Yes; No	Sleep quality
Sleep quality	Excellent/good; Fair/poor
Hours of sleep	< 6 hours; ≥ 6 hours
Experienced violence in the last month	Yes; No	Violence and bullying
Number of fights involved in the last month	Never; 1 to 3; ≥ 4
Experienced bullying	Yes; No
Was assaulted, attacked, or abused	Yes; No	Aggression
Something caused an injury	Yes; No
Do you regularly perform some type of physical activity in your leisure time?	Yes; No	Variables not included in any dimension (KMO < 0.5)
Are your colleagues friendly and helpful towards you?	Yes; No
Do you have friends?	Yes; No
Did you have binge drinking behavior in the last month?	Yes / No
How many times did you use drugs in the last month?	1 to 2 times; ≥ 3 times
How many sexual partners have you had ever?	1 to 2 partners; ≥ 3 partners
In general, how would you describe your health?	Excellent/good; Fair/poor
Do you practice your religion?	Yes; No

^*Game time refers to both computer and video games.