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Table 1 Socio-demographic characteristics of the children and adolescents in the KIDSCREEN sample, by country

From: Methods and representativeness of a European survey in children and adolescents: the KIDSCREEN study

Country * Total AT CH CZ DE EL ES FR HU IE NL PL SE UK
n (valid cases) 22,827 1,475 1,701 1,592 1,723 1,174 876 1,049 3,237 1,240 1,885 1,715 3,283 1,877
Children               
Age range: 8 – 11               
   mean age years (SD) 9.7 (1.1) 9.7 (1.1) 9.8 (1.0) 9.6 (1.0) 9.7 (1.1) - 9.7 (1.1) 9.5 (1.1) 9.5 (1.1) 10.4 (0.7) 9.6 (1.1) 9.9 (1.0) - 9.5 (1.0)
Female (%) 51.3 53.5 52.4 50.5 50.0 - 46.1 50.3 55.2 52.6 49.3 53.3 - 47.3
Socio-economic status **               
   low FAS (%) 20.0 14.4 10.9 49.5 10.1 - 17.7 7.5 26.7 18.2 11.2 35.7 - 11.2
   Medium FAS (%) 45.4 49.2 44.7 41.6 46.5 - 47.6 44.4 47.2 48.9 49.0 48.8 - 36.7
   high FAS (%) 34.6 36.4 44.4 8.9 43.4 - 34.7 48.1 26.1 32.9 39.9 15.5 - 52.2
Adolescents               
Age range: 12 – 18               
   mean age years (SD) 14.4 (1.7) 14.5 (1.8) 14.5 (1.8) 14.9 (1.9) 14.6 (1.9) 14.6 (1.7) 14.7 (1.9) 14.6 (1.9) 14.6 (1.8) 14.6 (1.4) 14.6 (1.8) 14.8 (1.9) 13.7 (1.0) 14.1 (1.6)
Female (%) 53.8 53.9 54.2 48.9 52.0 59.7 50.8 52.8 60.8 62.2 52.2 55.5 49.0 49.7
Socio-economic status**               
   low FAS (%) 23.3 14.1 11.3 48.9 12.5 37.3 21.7 9.0 32.3 14.4 9.4 39.1 - 14.2
   Medium FAS (%) 46.5 50.2 47.1 41.4 49.3 45.1 51.3 44.0 46.5 44.4 49.2 48.0 - 41.0
   high FAS (%) 30.3 35.7 41.7 9.7 38.2 17.6 27.0 47.0 21.2 41.2 41.4 12.9 - 44.8
  1. * Countries: AT = Austria, CH = Switzerland, CZ = Czech Republic, DE = Germany, EL = Greece ES = Spain, FR = France,, HU = Hungry, IE = Ireland; NL = Netherlands, PL = Poland, SE = Sweden, UK = United Kingdom.
  2. ** FAS: Family Affluence scale (0–3 = low; 4–5 = medium; 6–7 = high)