This study assessed the public's health risk awareness of urban air pollution triggered by three megacities in China, and the data are the responses from a sample size of 3868 megacity inhabitants from Shanghai, Nanchang and Wuhan. Descriptive analyses were used to summarize the respondents' demographics, perceived health risks from air pollution and sources of health-related knowledge on urban air pollution. Chi-square tests were used to examine if participants' demographics were associated with participant's general attitudes towards current air quality and the three perceived highest health risks due to urban air pollution. We found low rate of satisfaction of current urban air quality as well as poor knowledge of air pollution related indicator. Participants' gender, age and travel experience were found to be associated with the satisfaction of current air quality. The knowledge of air pollution related indicator was significantly affected by respondents' education, monthly income, health status, and sites of study. As many as 46.23

作者：Xiaojun, Liu；Hui, Zhu；Yongxin, Hu；Sha, Feng；Yuanyuan, Chu；Yanyan, Wu；Chiyu, Wang；Yuxuan, Zhang；Zhaokang, Yuan；Yuanan, Lu

来源：International journal of environmental research and public health 2016 年 13卷 9期