Table 5.
Correlations between quality of life scales, WHOQOL-BREF domains, and known groups
| QOL10 | QOL5 | QOL1 | |||
|---|---|---|---|---|---|
| QOL10 | Exploratory factor analysis | ||||
| Subscale 1: “social QoL” |
Subscale 2: “global QoL” |
||||
| WHOQOL-BREF scores a | |||||
| Physical health QoL | .622*** | .344*** | .707*** | .596*** | .495*** |
| Psychological health QoL | .768*** | .490*** | .734*** | .772*** | .676*** |
| Social QoL | .629*** | .680*** | .499*** | .548*** | .495*** |
| Environment QOL | .436*** | .244* | .452*** | .382*** | .501*** |
| Overall QoL item | .623*** | .448*** | .576*** | .486*** | .671*** |
| Known groups b | |||||
| Additional chronic disease | .002 | .116 | -.006 | -.015 | -.041 |
| Clinical anxiety symptoms | -.532** | -.251* | -.509*** | -.534*** | -.410*** |
| Clinical depression symptoms | -.497** | -.173 | -.484*** | -.510*** | -.425*** |
| Physical inactivity | -.369** | -.094 | -.392*** | -.373*** | -.411*** |
| Psychiatric services utilization, past year | -.119 | .047 | -.137 | -.114 | -.012 |
*p < 0.05; **p < 0.01, ***p < .001
aNumbers are Pearson’s correlations (r); bnumbers are point-biserial correlations (rpbc)
QoL quality of life
Convergent validity testing: Correlations between “QOL10” composite score and subscales, “QOL5”, “QOL1”, WHOQOL-BREF domains, and known groups