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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.