Table 4 Reliability coefficients of the domains of the WHOQOL-HIV-BREF
Dimensions | Cronbach’s alpha | Spearman-Brown (ρ) | Guttman Split-half | MCDonald’s composite score (ω) | Intraclass correlation [IC] |
|---|---|---|---|---|---|
Overall QoL/General Health | .77 | .775 | .772 | .77 [.747, .794] | |
Physical health | .73 | .662 | .660 | .786 | .734 [.711, .756] |
Psychological health | .81 | .842 | .827 | .851 | .812 [.796, .827] |
Level of Independence | .67 | .638 | .638 | .803 | .678 [.650, .704] |
Social relations | .75 | .785 | .779 | .810 | .749 [.728, .770] |
Environmental health | .81 | .809 | .809 | .851 | .816 [.801, .830] |
Spirituality/Personal beliefs | .61 | .547 | .545 | .623 | .61 [.579, .644] |