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Published on: August 1, 2019
Interventions strategies and their efficacy in illness perceptions in patients with cancer: A systematic review and
Purposes:
To identify intervention strategies for improving illness perception (IP) of cancer patients and/or family caregivers; and to examine the effects of IP interventions by meta-analysis.
Methods:
A systematic search was performed to identify literature that focused on improving the IP of cancer patients and/or family caregivers from the establishment of eight databases to August 2023. Manual screening was also applied. The IP intervention strategies for cancer populations were synthesized basing the CSM. Meta-analysis was conducted to assess the effects of IP interventions on health outcomes. Multiple subgroup analyses of the same intervention conditions were conducted to explore the optimal IP-focused intervention.
Results:
18 studies were included. 11 studies were conducted in a meta-analysis. No studies on family caregivers' IP were identified. Compared to general care, subgroup analysis revealed that IP interventions had favorable effects on cancer patients' IP as well as quality of life and other outcomes. Six IP intervention strategies (information support, cognitive reframing, emotion adjustment, active coping, effective appraisal, and self-social identification) were generated. Meta-analysis showed that compared with theory-less studies (Z = 8.64, p < 0.01) and single delivery formats (Z = 3.66, p < 0.01), the theory-based interventions (Z = 10.86, p < 0.01) and mixed delivery formats (Z = 7.15, p < 0.01) had higher positive effects on IP outcomes.
Conclusions:
The positive outcomes of IP intervention focusing on cancer patients were highlighted. IP traits and patients' and their caregivers' needs in coping with specific cancer types should be explored before the intervention design. More IP interventions targeting cancer dyads are warranted to develop in the future.
Insights
Interventions significantly improve cancer patients' illness perception (IP) and quality of life. Theory-based, mixed-format interventions are most effective, highlighting the need for tailored strategies for cancer dyads.
Area of Science:
- Oncology
- Health Psychology
- Behavioral Medicine
Background:
- Illness perception (IP) significantly impacts cancer patients' coping and quality of life.
- Limited research exists on interventions specifically designed to enhance IP in cancer patients and their caregivers.
- Understanding effective IP intervention strategies is crucial for improving patient outcomes.
Purpose of the Study:
- To identify and synthesize intervention strategies for improving illness perception (IP) in cancer patients and/or family caregivers.
- To evaluate the effectiveness of IP interventions on health outcomes through meta-analysis.
- To explore optimal IP intervention characteristics via subgroup analyses.
Main Methods:
- Systematic literature search across eight databases (up to August 2023) and manual screening.
- Synthesis of IP intervention strategies for cancer populations using the Common Sense Model (CSM).
- Meta-analysis and subgroup analyses to assess intervention effects on health outcomes and identify optimal strategies.
Main Results:
- 18 studies were included; 11 underwent meta-analysis. No studies focused on family caregivers' IP.
- IP interventions demonstrated favorable effects on cancer patients' IP, quality of life, and other outcomes compared to general care.
- Theory-based and mixed-format interventions showed significantly higher positive effects on IP outcomes than theory-less or single-format interventions.
Conclusions:
- IP interventions positively impact cancer patients' outcomes, including quality of life.
- Future interventions should consider individual IP traits and the specific needs of cancer patients and caregivers.
- Further research and development of IP interventions targeting cancer patient-caregiver dyads are recommended.
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