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Table 2 Internal consistency reliability for the pediatric quality of life inventory3.0 cardiac module scale versions for child self-report and parent proxy-report

From: Health related quality of life of children with rheumatic heart diseases: reliability of the Brazilian version of the pediatric quality of life inventory™ cardiac module scale

Domains

Cronbach’s alpha

Self-report

N

Proxy-report

N

Heart problems and treatment

0.76

109

0.82

109

Problems with treatment

0.52* 0.70**

109

0.58* 0.08**

109

Physical appearance

0.72

109

0.75

109

Treatment anxiety

0.85

109

0.89

109

Cognitive problems

0.66

109

0.73

109

Communication problems

0.75

109

0.70

109

Total sample

0.84* 0.77**

109

0.85* 0.80**

109

  1. p < 0.01.
  2. *Cronbach’s alpha for a group of 80 patients 8 to 18 years old.
  3. **Cronbach’s alpha for a group of 29 patients 5 to 7 years old.