Clinical Psychological Correlates of Colorectal Cancer Screening Intention: Implications for Personalized Health Promotion Intervention
Background
This study investigates clinical psychological factors associated with colorectal cancer (CRC) screening participation, with a specific focus on intention–behavior configurations within the intention–behavior gap framework.
Objective
From a mind–body perspective, we examine how emotion regulation, health anxiety, body awareness, and narcissistic traits are associated with screening decisions and may inform future personalized strategies to support participation.
Methods
A cross-sectional study was conducted with 224 adults (aged 50–81) completing an online survey assessing screening intention, behavior, and key psychological variables. Action-control profiles were created based on intention–behavior patterns, and differences were analyzed using Fisher’s exact tests and Kruskal–Wallis tests.
Results
Most participants (58%) were classified as non-intenders (low intention, no screening). Successful intenders (high intention, yes behavior) showed higher cognitive reappraisal than all other profiles, with small-to-moderate effect sizes (r = 0.25–0.53). Unsuccessful intenders (high intention, no behavior) exhibited higher disease phobia (r = 0.28), suggesting anxiety-related barriers to behavioral translation. Non-intenders who nonetheless engaged in screening (low intention, yes behavior) showed higher hypochondriacal beliefs and narcissistic vulnerability (r = 0.51), possibly reflecting screening behavior driven by concerns about illness or bodily cues.
Conclusion
Despite the cross-sectional design and convenience sampling that limit generalizability and prevent causal or temporal inferences, clinical psychological dimensions appear to be associated with CRC screening intention and participation. Our study attests to the importance of an integrative clinical approach that considers psychosomatic aspects, emotion regulation, health anxiety, and personality vulnerabilities to better understand ambivalence in screening behaviors. Preventive programs should address specific psychological barriers (e.g., health literacy) and foster self-care engagement. Future research should explore whether psychological factors, such as emotion regulation, health anxiety, and personality vulnerabilities, can guide the development of approaches aimed at reducing discrepancies between intention and self-reported screening behavior.
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