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Table 1 Characteristics of the respondents and non-respondents

From: An accurate and efficient identification of children with psychosocial problems by means of computerized adaptive testing

  Respondents Non-respondents
  % %
Child' gender (n (%))   
Male 1018 (50) 189 (49)
Female 1024 (50) 196 (51)
Child's age (mean (standard deviation)) 9.7 (± 1.4) 9.7 (± 1.3)
Ethnic background (n (%))#   
Dutch 1694 (83) 216 (56)
non-Dutch 122 (6) 42 (11)
Unknown 204 (10) 127 (33)
Family composition (n (%))   
Two parents 1755 (86) 308 (80)
One parent 184 (9) 39 (10)
Other 102 (5) 39 (10)
Parental employment (n (%))   
No paid job 61 (3) NA*
Two parents with paid job 1082 (53)  
One parent with paid job 1102 (54)  
Unknown 184 (9)  
Parental highest completed education (n (%))   
None or primary only (max. 8 yrs) 61 (3) NA
Lower vocational (9 - 12 yrs.) 510 (25)  
Higher vocational (13 - 16 yrs) 633 (31)  
University/higher professional (17 yrs. and more) 714 (35)  
Unknown 122 (6)  
n 2041 385
  1. * NA = not available
  2. # P (Chi2) < .001 (for differences between respondents and non-respondents)