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Table 1 Sample Characteristics

From: Measuring adolescents' HRQoL via self reports and parent proxy reports: an evaluation of the psychometric properties of both versions of the KINDL-R instrument

  Weighted cases
Children (n = 7649)  
Mean age years (SD) 14.12 (1.98)
   11–13 years (%) 39.6
   14–17 years (%) 60.4
girls (%) 48.7
Migration status yes 16.1
Special health Care Needs % 17.5
Parents (n = 7559)  
mother (%) 82.8
father (%) 11.4
both (%) 4.8
other (%) 1.0
Mean age mothers (SD) 41.85 (5.10)
Mean age fathers (SD) 44.87 (6.13)
Real household income  
   <1500 (%) 17.8
   1500–2250 (%) 25.4
   2250–3000 (%) 26.9
   >3000 (%) 30.0
Socioeconomic status  
   High (%) 27.4
   medium (%) 47.2
   low (%) 25.3
  1. Migration status: At least one parent born outside country; main speech at home not German.
  2. Special health care needs: CSHCN Screener [28]
  3. Real household income after taxes etc.
  4. Socioeconomic Status: Winkler Index [27]