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Table 2 Participants of the validity study of the Adolescent Stress Questionnaire (ASQ)

From: Reliability and validity of the Adolescent Stress Questionnaire in a sample of European adolescents - the HELENA study

  Athens Ghent Pecs Stockholm Vienna Zaragoza Total
Included participants with a valid ASQ      
   Participants (n) 33 290 208 259 44 306 1140
   Gender (% boys) 33.3 41.7 53.4 35.9 18.2 48.4 43.2
   Age (mean ± SD)) 13.2 ± 0.5 14.8 ± 1.2 14.4 ± 1.2 14.9 ± 1.2 15.9 ± 0.6 14.7 ± 1.1 14.7 ± 1.2
   SES (mean ± SD) 2.9 ± 1.8 5.5 ± 1.5 3.9 ± 1.7 5.4 ± 1.4 5.3 ± 1.3 4.5 ± 1.5 4.8 ± 1.7
   Pubertal status (%)        
Pre-pubertal (stage I) 6.1 0.3 0.0 0.4 0.0 0.0 0.4
Beginning pubertal (stage II) 27.3 3.8 1.4 8.9 0.0 1.6 4.5
Mid-pubertal (stage III) 57.6 12.1 19.2 28.2 0.0 5.9 16.2
Advanced pubertal (stage IV) 6.1 33.1 54.3 42.5 97.7 12.4 35.3
Post-pubertal (stage V) 3.0 47.6 24.0 12.4 0.0 75.8 39.7
Missing 0.0 3.1 1.0 7.7 2.3 4.2 3.9
Included participants with a valid ASQ and cortisol samples     
   Participants (n) 27 39 30 34 20 50 200
   Gender (% boys) 29.6 56.4 43.3 44.1 20.0 46.0 42.5
   Age (mean ± SD)) 13.2 ± 0.4 15.5 ± 1.0 13.5 ± 0.5 13.5 ± 0.4 16.1 ± 0.4 14.3 ± 0.6 14.3 ± 1.2
   SES (mean ± SD) 2.6 ± 1.8 5.9 ± 1.3 3.3 ± 1.3 5.5 ± 1.3 5.5 ± 1.4 5.3 ± 1.4 4.8 ± 1.8
   Pubertal status (%)        
Pre-pubertal (stage I) 3.7 0.0 0.0 0.0 0.0 0.0 0.5
Beginning pubertal (stage II) 29.6 0.0 3.3 23.5 0.0 0.0 8.5
Mid-pubertal (stage III) 59.3 7.7 23.3 55.9 0.0 8.0 24.5
Advanced pubertal (stage IV) 7.4 53.8 73.3 14.7 95.0 20.0 39.5
Post-pubertal (stage V) 0.0 35.9 0.0 2.9 0.0 72.0 25.5
Missing 0.0 2.6 0.0 2.9 5.0 0.0 1.5
  1. SD: standard deviation; SES: socio-economic status