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Table 2 ITQOL item-level analysis for the NICU and healthy baby samples

From: Health related quality of life in 3 and 4 year old children and their parents: preliminary findings about a new questionnaire

   NICU Healthy baby
  No. items % missing Item internal consistency Item discriminant validity % missing Item internal consistency Item discriminant validity
Infant scales     -1 S.E. -2 S.E.    -1 S.E. -2 S.E.
Physical Abilities 10 4.1 100 100 100 2.8 100 100 100
Growth and Development 10 2.4 100 100 100 3.1 100 100 100
Bodily Pain/Discomfort 3 5.1 100 100 100 2.3 100 100 100
Temperament and Moods 18 8.8 89 100 100 7.8 67 89 78
General Behavior 13 5.3 92 100 100 6.2 92 92 92
Getting Along with Others 15 8.1 60 87 87 7.2 60 87 53
General Health Perceptions 12 8.9 100 100 100 5.2 83 100 100
Parent scales          
Impact-Emotional 7 2.3 100 100 86 0.8 86 100 86
Impact-Time 7 2.7 100 100 100 1.6 100 100 100
Mental Health 5 3.4 100 100 100 2.1 100 100 100