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Más allá de la racionalidad: sobrecarga de información y percepciones sesgadas del cribado del cáncer de pulmón en

Miao He¹, Hongliang Chen¹, Yueying Chen¹

¹College of Media and International Culture, Zhejiang University, Hangzhou, China.

Journal of health communication

|February 26, 2026

Abstract:

Lung cancer is the most common cancer with high mortality. This study examined the impact of information overload on biased perceptions and lung cancer screening intention. An online survey of middle-aged Chinese adults (n=534) revealed three main findings: (a) information overload was positively associated with excessive fear, perceived barriers, and distrust in healthcare providers; (b) optimistic bias, excessive fear, and perceived barriers were negatively related to lung cancer screening intention; and (c) interpersonal communication was identified as a key factor in mitigating information overload. Our study highlighted that, beyond rational decision-making, biased perceptions also exerted significant negative effects on health-protective behaviors. This finding complemented the Health Belief Model (HBM) and provided practical insights for improving cancer screening participation.

Palabras clave:

Cribado de cáncer de pulmón sobrecarga de información percepciones sesgadas comunicación interpersonal adultos de mediana edad

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