Research Note: Factors influencing highly pathogenic avian influenza preventive behavior among live poultry market vendors.

In China, fresh food has always been a top priority and live poultry has been a staple in the diet for thousands of years. As a result, the live poultry market (LPM) remains a popular and important source for purchasing live poultry among the public. However, LPMs also play a crucial role in spreading and retaining highly pathogenic avian influenza (HPAI) due to the high poultry movement and trade volume. Therefore, the preventive behavior of LPM vendors is essential in blocking the transmission of HPAI and reducing occupational exposure. Based on the health belief model, this study utilized structural equation modeling to examine the effect of risk perceptions on preventive behavior among vendors in the live poultry wholesale market (wLPM) and the live poultry retail market (rLPM) in Guangdong Province. The results indicated that perceived severity and perceived benefits positively influenced the wLPM vendors' ability to adopt preventive behavior (i.e., self-efficacy) while perceived barriers negatively affected self-efficacy in both wLPM and rLPM. Moreover, cues to action positively mediated the relationship between perceived severity, perceived benefits, and self-efficacy of wLPM and rLPM vendors. Cues to action also positively mediated the effect of perceived susceptibility among wLPM vendors. To promote preventive behavior among vendors, the market management companies and the government must provide timely and effective HPAI information through various channels and develop differentiated health campaigns according to the market types to raise vendors' awareness about HPAI.

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