Skip to main content

Table 3 Population fraction (PF) and ratio (PFR) by sex and age in the KIDSCREEN national surveys and the reference population from Eurostata.

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

     Children (8–11) Adolescents (12–18) Adolescent PFRd,e
Countriesb Sample (n)c Reference population (N) a Sex Sample (%) Reference population (%) a Population Sample (%) Reference population (%) a Population  
       Fraction ‰ PFR d    Fraction ‰ PFR d  
Phone & mail             
   AT. Austria 1,475 1,044,588 Female 18.8g 18.0 1.47 1h 35.0i 31.0 1.59 1h 1.08
    Male 16.3 18.6 1.24 0.84 29.9 32.3 1.31 0.82 1.05
   CH. Switzerland e 1,701 675,327 Female 17.9g 18.0 2.49 1h 35.7i 30.6 2.95 1h 1.18
    Male 16.2 18.9 2.16 0.87 30.2 32.5 2.34 0.79 1.08
   DE. Germany 1,723 10,048,086 Female 17.7 16.9 0.18 1h 33.6i 31.8 0.18 1h 1.01
    Male 17.7 17.8 0.17 0.95 31.0 33.5 0.16 0.87 0.93
   ES. Spain 876 4,722,467 Female 16.9 16.4 0.19 1h 32.2 32.1 0.19 1h 0.97
    Male 19.7 17.5 0.21 1.10 31.2 33.9 0.17 0.92 0.81
   FR. France 1,049 8,335,092 Female 18.9 17.3 0.14 1h 33.0i 31.6 0.13 1h 0.95
    Male 18.7 18.1 0.13 0.94 29.5 33.0 0.11 0.86 0.87
   NL. Netherlands 1,885 2,150,420 Female 17.7 18.4 0.85 1h 33.4i 30.4 0.96 1h 1.14
    Male 18.2 19.2 0.83 0.98 30.6 31.9 0.84 0.87 1.01
Schools             
   EL. Greece 1,174 903,105 Female -- -- -- -- 59.7i 48.6 1.60 1h --
    Male -- -- -- -- 40.3 51.4 1.02 0.64 --
   HU. Hungary 3,237 1,374,408 Female 23.5g 17.2 3.21 1h 34.9i 31.8 2.59 1h 0.81
    Male 19.1 18.0 2.50 0.78 22.5 33.0 1.61 0.62 0.64
   IE. Ireland 1,240 643,835 Female 13.6 16.5 1.62 1h 46.1i 32.1 1.16 1h 0.87
    Male 12.3 17.3 2.82 1.74 28.0 34 1.75 1.15 0.57
Other             
   UK. United Kingdom (phone & mail, and schools) 1,877 8,433,968 Female 24.2 18.3 0.30 1h 24.2 30.4 0.18 1h 0.60
    Male 27.0 19.2 0.31 1.06 24.6 32.1 0.17 0.96 0.55
   PL. Poland (schools and mail) 1,715 6,421,859 Female 17.6g 15.6 0.30 1h 37.2i 33.2 0.30 1h 1.00
    Male 15.4 16.5 0.25 0.83 29.9 34.7 0.23 0.77 0.92
   CZ. Czech Republic (MPS) 1,592 1,426,558 Female 17.7 17.0 1.16 1h 31.8 31.5 1.13 1h 0.97
    Male 17.3 18.0 1.07 0.92 33.2 33.5 1.11 0.93 1.04
  1. a Census data provided by Eurostat; b Countries ordered by sampling method and alphabetically; c Cases with sufficient data to be able to calculate KIDSCREEN reference values. dPFR: population fraction ratio (the 95%CI for the PFR were not included;as all of them were statistically different from the reference category); eReference category: children; fCensus data for Switzerland in the year 2000, in 19 out of 26 cantons where sampling was carried out; gStatistically significant differences by sex within children (p < 0.01) ; h Reference category: female; i Statistically significant differences by sex within adolescents (p < 0.01).