Concurrent validity of the PSYCH-6, a very short scale for detecting anxiety and depression, among oncology outpatients
Clover K et al. - The PSYCH-6 scale of the SPHERE-12 at a cut-off point of 3 is an equivalent instrument to the HADS-T for detecting cases and excluding non-cases of anxiety and depression and is suitable for deployment in oncology populations. Methods- Cross-sectional survey of 340 oncology outpatients attending a regional hospital in Newcastle, Australia.
- The performance of the PSYCH-6 against the Hospital Anxiety and Depression Scale (HADS) was evaluated using correlation, Cohen's kappa, positive agreement and negative agreement.
Results- The PSYCH-6 subscale of the SPHERE-12, at a cut-off point of 3, had substantial agreement with the total score of the HADS (HADS-T; κ = 0.73, p < 0.001).
- Negative agreement (0.92) was marginally higher than positive agreement (0.80).
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