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Table 1 Internal consistency (Cronbachs alpha) coefficients for the KINDL and ILC. Student report by grade.

From: Quality of Life as reported by school children and their parents: a cross-sectional survey

 

KINDL total scale

KINDL physical well-being

KINDL emotional well-being

KINDL Self-esteem

KINDL Family

KINDL Friends

KINDL School

ILC Item 1 – 7

Internal consistency

 

4th grade (n = 500–503)

0.83

0.66

0.52

0.68

0.62

0.49

0.47

0.64

6th grade (n = 449–458)

0.86

0.64

0.58

0.71

0.66

0.67

0.55

0.82

8th grade (n = 483–492)

0.89

0.68

0.65

0.81

0.78

0.62

0.61

0.80

10th grade (n = 531–537)

0.89

0.70

0.72

0.79

0.81

0.69

0.69

0.81