Table 8 Internal consistency reliability and test-retest reliability of the PROHIV-OLD instrument
Dimension | Cronbach’s alpha(n = 600) | CR (n = 600) | McDonald’s ω (n = 600) | ICCs (95% CI) (n = 60) |
|---|---|---|---|---|
Physical symptoms | 0.87 | 0.87 | 0.87 | 0.64(0.46–0.77) |
Mental status | 0.90 | 0.90 | 0.90 | 0.72(0.57–0.82) |
Illness perception | 0.88 | 0.88 | 0.88 | 0.76(0.62–0.85) |
Family relationship | 0.87 | 0.87 | 0.88 | 0.70(0.54–0.81) |
Treatment dimension | 0.88 | 0.89 | 0.87 | 0.76(0.63–0.85) |