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Table 4 Domains, number of items (n) and Cronbach's alpha (α) after the field study analysis

From: The European DISABKIDS project: development of seven condition-specific modules to measure health related quality of life in children and adolescents

Condition

Domain 1

n

α

Domain 2

n

α

Asthma

Impact

6

.83

Worry

5

.84

Juvenile idiopathic arthritis

Impact

9

.87

Understanding

3

.73

Atopic dermatitis

Impact

8

.87

Stigma

4

.71

Cerebral palsy

Impact

10

.82

Communication

2*

.72

Cystic fibrosis

Impact

4

.80

Treatment

6

.85

Diabetes mellitus

Impact

6

.83

Treatment

4

.84

Epilepsy

Impact

5

.90

Social

5

.84

  1. *With only two items this is the inter-item correlation.