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Table 1 Background characteristics

From: Hearing siblings’ voices: exploring the (online) support needs of siblings of children with a chronic condition

  % Mean (SD)    
Participating siblings (n = 91)
 Age in years   15.2 (2.7)    
 Sex (Female) 67     
 Current education
  primary school 9.9     
  secondary school 65.9     
  advanced education 18.7     
  None anymore 5.5     
 Strengths and difficulties (SDQ) a Siblings
(n = 91)
  Normb
(n = 1353)
  Borderline/ Abnormal (%) Total f Borderline/ Abnormal (%) Mean (SD) Weighted mean (SD) Effect size
  Emotional symptoms 7.7 / 22.0 29.7* 3.5 (2.6) 2.4 (1.9) 0.58**
  Conduct problems 4.4 / 6.6 11.0* 1.8 (1.5) 1.9 (1.5) −0.06
  Hyperactivity/inattention 12.1 / 28.6 40.7*** 4.7 (2.7) 3.8 (2.3) 0.37**
  Prosocial behavior 3.3 / 5.5 8.8** 8.2 (1.8) 7.3 (2.3) 0.41**
  Total difficulties 15.4 / 19.8 35.2** 11.9 (5.9) 10.0 (4.9) 0.39**
Child with chronic condition % Mean (SD)    
 Age child in years (n = 90)   13.8 (4.4)    
 Age at disease onset (n = 91)
  during or shortly after birth 46.2     
  0–5 years old 27.5     
  6–12 years old 19.8     
  13–18 years old 6.6     
 First named diagnosis
  neurological disorder 12.1     
  cardiovascular disorder 11.0     
  cystic fibrosis 11.0     
  chromosomal/syndromal disorder 8.8     
  metabolic disorder 8.8     
  connective tissue disorder 7.7     
  disorder in the locomotor system 6.6     
  Crohn’s disease 6.6     
  other 27.5     
  1. SD standard deviation
  2. aHigher scores indicate more problems, except for the prosocial behavior subscale
  3. bNorm population is 11–16 years old. Sample participants age range: 11–21. Analyzing only the 11–16 year-olds did not yield different results
  4. *p < 0.05, **p < 0.01, ***p < 0.001: siblings differ significantly from the norm