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Perceived Control as a Potential Protective Factor for Suicidal Thoughts and Behaviors in Cancer Patients and
Judith Hirschmiller1, Jim Schmeckenbecher2,3, Tamara Schwinn1
1Department of Psychosomatic Medicine and Psychotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany.
Perceived control is crucial for reducing suicidal thoughts in cancer patients. Interventions targeting demoralization and hopelessness may help prevent suicide crises in this population.
Area of Science:
- Oncology
- Psychiatry
- Psychology
Background:
- Cancer patients face an elevated risk of suicidal crises.
- Perceived control, aligned with social-cognitive theories, may act as a protective factor.
- Modifiable aspects of perceived control offer potential for suicide prevention in cancer care.
Purpose of the Study:
- To systematically synthesize evidence on perceived control and its association with suicidal thoughts and behaviors in cancer patients.
- To explore the role of specific facets of perceived control, such as self-efficacy and hopelessness.
- To investigate potential moderators, like cancer stage and cancer-specific distress, in this relationship.
Main Methods:
- Systematic literature search across multiple databases (PubMed, CINAHL, PsycInfo, Web-of-Science, Cochrane) and grey literature.
- Inclusion of 36 studies for narrative review and 25 for meta-analysis, with PROSPERO registration.
- Calculation of pooled effect sizes, moderation, and subgroup analyses to quantify the relationship.
Main Results:
- A significant positive correlation (r=0.45) was found between perceived control facets (demoralization, hopelessness, self-efficacy) and suicidal ideation.
- Demoralization and hopelessness showed a stronger association with suicidal ideation than general self-efficacy.
- Cancer stage did not moderate the relationship, but cancer-specific distress variables were more strongly linked to suicidal ideation.
Conclusions:
- Perceived control plays a critical role in mitigating severe distress and suicidal ideation among cancer patients.
- Interventions focusing on enhancing perceived control, particularly addressing demoralization and hopelessness, are warranted.
- Further research is recommended to refine the understanding of perceived control in a more specific context within cancer care.
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