The association of demoralization with mental disorders and suicidal ideation in patients with cancer

BACKGROUND

Demoralization refers to a state in which there is a perceived inability to cope, that is associated with a sense of disheartenment and a loss of hope and meaning. This study investigated the co-occurrence versus independence of demoralization with mental disorders and suicidal ideation to evaluate its features as a concept of distress in the context of severe illness.

METHODS

In a cross-sectional sample of 430 mixed cancer patients, we assessed demoralization with the Demoralization Scale (DS); the 4-week prevalence of mood, anxiety, and adjustment disorders and suicidal ideation with the standardized Composite International Diagnostic Interview–Oncology (CIDI-O); and depressive symptoms with the Patient Health Questionnaire-9 (PHQ-9). We compared the relative risk (RR) for mental disorders associated with demoralization to that associated with self-reported depression.

RESULTS

Clinically relevant levels of demoralization were present in 21% of the patients. Demoralization co-occurred with a mood/anxiety disorder in 7%; 14% were demoralized in absence of any mood/anxiety disorder. Demoralization and adjustment disorders co-occurred in 2%. The RR for any mood/anxiety disorder was 4.0 in patients with demoralization (95% confidence interval [CI], 2.5-6.2) and 3.0 in those with depression (95% CI, 1.9-4.6). Demoralization, but not depression, was associated with a significantly increased risk for suicidal ideation after controlling for mental disorders (RR, 2.0; 95% CI, 1.1-3.5).

CONCLUSIONS

Clinically relevant demoralization frequently occurs independently of a mental disorder in patients with cancer and has a unique contribution to suicidal ideation. Demoralization is a useful concept to identify profiles of psychological distress symptoms amenable to interventions improving psychological well-being in this population. Cancer 2017. © 2017 American Cancer Society.

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