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Table 1 Characteristics of the overall sample and subsamples selected to assess construct validity and test-retest

From: Reliability and validity of the Spanish version of the Child Health and Illness Profile (CHIP) Child-Edition, Parent Report Form (CHIP-CE/PRF)

  Total Construct validity Test-retest
Total, n 865 188 228
Parents' age, mean (standard deviation) 40.3(4.9) 41.4 (3.6) 41.2 (3.5)
Proxy relationship children respondents, %    
   Mother (biological or adoptive) 87.9 86.6 86.9
   Father (biological or adoptive) 11.4 12.5 12.3
   Others (grandmother, stepmother and others) 0.7 0.9 0.8
Children's age (years), %    
   6-7 24.7 25.5 25.4
   8-12 75.3 74.5 74.6
Children's gender, %    
   Sons 48.2 48.3 48.1
   Daughters 51.8 51.7 51.9
Highest family level of education, %    
   Primary school 17.8 4.0 3.9
   Secondary school 38.2 25.3 25.7
   University degree 44.0 70.7 70.4
Type of school, %    
   Public 35.6 - -
   Private 64.7 100 100
Family economic capacity index, %    
   Low (<92.5) 30.8 - -
   Middle (92.5-114) 45.8 44.8 44.6
   High (>114) 23.5 55.2 55.4