From: Summarizing health-related quality of life (HRQOL): development and testing of a one-factor model
General health status | Physically unhealthy days | Mentally unhealthy days | Activity limitation days | Cronbach's alpha if item removed | Change (%) | |
---|---|---|---|---|---|---|
General health statusa | 1 | 0.733 | -3.9 | |||
Physically unhealthy daysb | 0.52 | 1 | 0.651 | -14.6 | ||
Mentally unhealthy daysc | 0.29 | 0.35 | 1 | 0.773 | +1.3 | |
Activity limitation daysd | 0.43 | 0.65 | 0.44 | 1 | 0.656 | -14 |
Overall construct | 0.763 |