[Investigation on the perception of risk level of heat wave and its related factors in Guangdong province].

Objective: To investigate the risk perception of heat wave, and further explore its related factors in Guangdong province.

Methods: A total of 2183 adults were selected by a multi-stage sampling method in Guangdong province. Each subject was interviewed in their home with a structured questionnaire by a well trained investigator from September to November, 2010.