Table 1

Main sociodemographic characteristics of the student sample

Gendern%
Females84650.2
Males78646.6
Not declared543.2
 MeanSDRange
Age (years)15.81.613–21
BMI (kg/m2)MeanSDRange
 Females (846)20.63.013.2–36.1
 Males (786)21.73.814.6–55.6
 Not declared (54)
School characteristicsn%
 State school129576.8
 Private school39123.2
Family Compositionn%
 2 family members724.3
 3–4 family members121672.1
 5 or more family members39823.6
Housingn%
 One-room apartment271.6
 Two-room apartment1016.0
 Three-room apartment50831.1
 Four or more rooms105062.3
Gardens
 No garden39123.2
 Private garden109264.8
 Shared garden20312.0
Balconies
 No balconies23213.8
 Private balconies142484.5
 Shared balconies301.8
Parents educationn%
Mother
 Secondary school30518.1
 High school73543.6
 University47628.2
Father
 Secondary school45126.8
 High school67840.2
 University36121.4