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Table 3 Test-retest reliability of the Japanese version of the MMQL-AF (n = 30)

From: Development of the Japanese version of the Minneapolis-Manchester Quality of Life Survey of Health - Adolescent Form (MMQL-AF) and investigation of its reliability and validity

 

First

Second

ICC

MMQL-AF questionnaire

Mean

SD

Mean

SD

Physical functioning

15.41

6.01

14.90

6.07

.96**

Psychological functioning

19.17

6.83

17.97

5.70

.79**

Body image

15.33

4.39

15.20

4.45

.90**

Social functioning & intimate relations

19.86

6.39

20.28

7.33

.90**

Cognitive functioning

15.45

5.96

15.21

6.22

.92**

Outlook on life

6.30

2.98

5.97

3.07

.90**

  1. MMQL-AF: Minneapolis-Manchester Quality of Life Survey of Health-Adolescent Form, n: number of individuals, SD: standard deviation, ICC: intraclass correlation coefficient. **p < 0.01.