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Table 2 Student Characteristics (N = 2,690)

From: Clustering of health-related behaviors, health outcomes and demographics in Dutch adolescents: a cross-sectional study

  N (%)
Age in years  
 11-12 648 (24.1)
 13-14 1300 (48.4)
 15-16 639 (23.8)
 17-18 102 (3.8)
Mean age in years 13.68 (SD 1.45)
Socio-economic status (FASa score) 7.13 (SD 1.49)
 Low (0–2) – Medium (3–5) 393 (14.6)
 High (6–9) 2297 (85.4)
Watching TV (>14 h/week) 549 (21.0)
Internet use (>14/week) 730 (27.1)
Videogame playing (>14/week) 186 (6.9)
Compulsive Internet Use, CIUb 94 (3.5)
Compulsive Videogame Playing, CVPc 108 (4.0)
 Being bullied 124 (4.7)
Bullying 77 (2.9)
Alcohol user 702 (26.1)
Binge drinker 477 (19.6)
Marihuana user 170 (6.3)
Smoker 231 (8.6)
Sufficing to Dutch Norm Healthy Physical Exercised 1974 (73.6)
Sufficing to Dutch Norm Healthy Nutritione 1186 (44.1)
  1. a:FAS = Family Affluence Scale; b:CIU = Compulsive Internet Use Scale Score >3.0 (range 0–4); c:CVP = Videogame Addiction Test Score >3.0 (range 0–4); d:Dutch Norm Healthy Physical Exercise: at least one hour of moderately intensive physical exercise every day, where at least twice a week the activity is aimed at improving or maintaining physical fitness; e :Dutch Norm Healthy Nutrition: at least having breakfast, eating fruits and vegetables 5 times per week.