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Table 1

Descriptive statistics of participants

Age
Mean: 13.6 years (SD: 1.7 years)
  n%
Gender
Boy
197094
(48.8%)
 
Girl
207112
(51.2%)
Country
Austria
13636
(3.4%)
 
Belgium - Flemish
15424
(3.8%)
 
Belgium - French
11304
(2.8%)
 
Canada
16858
(4.2%)
 
Czech republic
13497
(3.3%)
 
Denmark
15479
(3.8%)
 
England
17237
(4.3%)
 
Estonia
10360
(2.6%)
 
Finland
15501
(3.8%)
 
France
19473
(4.8%)
 
Germany
17716
(4.4%)
 
Greece
11821
(2.9%)
 
Greenland
3905
(1.0%)
 
Hungary
11305
(2.8%)
 
Israel
16401
(4.1%)
 
Latvia
11501
(2.9%)
 
Lithuania
15790
(3.9%)
 
Norway
14760
(3.7%)
 
Poland
16733
(4.1%)
 
Portugal
10580
(2.6%)
 
Rep. of Ireland
12163
(3.0%)
 
Russia
20265
(5.0%)
 
Scotland
16226
(4.0%)
 
*Slovak republic
7671
(1.9%)
 
*Spain
14718
(3.6%)
 
Sweden
12143
(3.0%)
 
Switzerland
14820
(3.7%)
 
USA
14086
(3.5%)
 
Wales
12833
(3.2%)
Wave
1997/98
122386
(30.3%)
 
2001/02
135067
(33.4%)
 2005/06146756(36.3%)

(*Waves and countries without HBSC-SCL data: Spain 1997/98, Slovak republic 2001/02).