Table 7 The Cronbach's alpha, McDonald Omega coefficient (ω), and the Intraclass Correlation Coefficients (ICC) for the COVID-19 Phobia Scale (C19P-S)
From: Psychometric properties of the Persian version of the COVID-19 Phobia Scale (C19P-S)
Number of items | Cronbach’s alpha (n = 440) | McDonald's (ω) | ICC (n = 50) [CI = 95%] | P | |
|---|---|---|---|---|---|
Psychological | 7 | 0.84 | 0.85 | 0.82[0.67–0.91] | < 0.0001 |
Psycho-somatic | 4 | 0.87 | 0.88 | 0.82[0.67–0.91] | < 0.0001 |
Economic | 5 | 0.86 | 0.86 | 0.85[0.65–0.93] | < 0.0001 |
Social | 4 | 0.87 | 0.87 | 0.85[0.71–0.92] | < 0.0001 |
Total | 20 | 0.95 | 0.95 | 0.96[0.93 –0.96] | < 0.0001 |