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目的:探讨胃肠病患者对躯体相关负性刺激的思维偏向及主观健康感受的中介作用。方法:采用16个经过标准化的模棱两可情境对30名健康人和40名胃肠病患者进行实验。结果:胃肠病患者存在明显的思维偏向。在模糊情境中,患者对负性事件发生可能性的评估显著高于健康人,而对中性事件发生可能性的评估与健康人没有差异。胃肠病患者的主观健康感受显著低于健康人。主观健康感受在健康状况与思维偏向的关系中起到完全中介作用。结论:胃肠病患者比健康人具有明显更高的思维偏向;客观健康状况并不直接导致思维偏向,而是通过主观健康感受起作用。
OBJECTIVE: To explore the mediating effect of thinking bias and subjective health perception on somatic negative stimulation in patients with gastrointestinal diseases. METHODS: Thirty-six healthy and 40 gastrointestinal patients were tested in 16 standardized ambiguous situations. Results: Gastrointestinal patients have obvious thinking bias. In ambiguous situations, patients are significantly more likely to assess the likelihood of a negative event than healthy individuals, whereas the assessment of the likelihood of a neutral event does not differ from healthy individuals. The subjective health feeling of patients with gastrointestinal disease is significantly lower than that of healthy people. Subjective health perceptions play a complete mediating role in the relationship between health status and thinking bias. Conclusion: Gastrointestinal patients have significantly higher thinking bias than healthy people. Objective health does not directly lead to thinking bias, but acts through subjective health perception.