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Table 6. Descriptive statistics and reliability statistics for the Persian OPQOL-brief

From: Persian version of the brief Older People’s Quality of Life questionnaire (OPQOL-brief): the evaluation of the psychometric properties

 

Mean (SD)

Cronbach’s α

ICC (%95CI)

Floor (%)

Ceiling (%)

Socioeconomic well-being

18.11 (3.18)

0.734

0.833 (0.716–0.905)

1 (2.2)

4 (8.9)

Emotional well-being

19.44 (2.41)

0.739

0.789 (0.646–0.878)

1 (2.2)

1 (2.2)

Physical well-being

15.47 (1.99)

0.745

0.733 (0.562–0.844)

2 (4.4)

1 (2.2)

Total score

48.96 (6.32)

0.829

0.842 (0.729–0.910)

1 (2.2)

1 (2.2)

  1. ICC intra class coefficient; All ICC are significant at P < 0.001 level