Table 6 Inter-rater weighted Cohen’s kappa value by single item
From: Psychometric properties of the simplified Chinese version of the observer OPTION5 scale
Item | Kappa(N = 209) | Agreement | Z value | 95% CI | p |
|---|---|---|---|---|---|
Item 1 | 0.508 | Moderate | 9.179 | 0.411 ~ 0.606 | <0.001 |
Item 2 | 0.649 | Substantial | 13.212 | 0.566 ~ 0.731 | <0.001 |
Item 3 | 0.531 | Moderate | 11.826 | 0.448 ~ 0.614 | <0.001 |
Item 4 | 0.531 | Moderate | 10.335 | 0.423 ~ 0.639 | <0.0 01 |
Item 5 | 0.376 | Fair | 8.853 | 0.275 ~ 0.477 | <0.001 |