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. 2020 Nov 14;18:368. doi: 10.1186/s12955-020-01621-8

Table 3.

Alpha coefficients for scores on the Brazil adaptation of the McGill Quality of Life Questionnaire-Revised and their subscales (n = 146)

Subscales Mean (SD) Alfa de Cronbach
BrP-MQOL-physical domain 4. 88 (2.43) 0.822
BrP-MQOL psychological domain 5. 22 (3.13) 0.817
BrP-MQOL existential domain 6. 36 (2.54) 0.816
BrP-MQOL social domain 8. 15 (2.25) 0.858
BrP-MQOL total score$ 6. 15 (1.96) 0.740

$ BrP-MQOL-R summary score calculated by taking the mean of the subscale scores to give each domain equal weight