Risk Reduction Behaviors Regarding PM 2.5 Exposure among Outdoor Exercisers in the Nanjing Metropolitan Area, China

Lilin Xiong, Jie Li, Ting Xia, Xinyue Hu, Yan Wang, Maonan Sun and Meng Tang
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Lilin Xiong: School of Public Health, Southeast University, Nanjing 210003, China
Jie Li: School of Civil Engineering, Shenzhen University, Shenzhen 518060, China
Ting Xia: Insurance Work and Health Group, Faculty of Medicine Nursing and Health Sciences, Monash University, Melbourne 3003, Australia
Xinyue Hu: Department of Construction Management, Nanjing Forestry University, Nanjing 210037, China
Yan Wang: School of Public Health, Southeast University, Nanjing 210003, China
Maonan Sun: Department of Construction Management, Nanjing Forestry University, Nanjing 210037, China
Meng Tang: School of Public Health, Southeast University, Nanjing 210003, China

IJERPH, 2018, vol. 15, issue 8, 1-13

Abstract: Aims : This study aimed to describe risk reduction behaviors regarding ambient particulate matter with a diameter of 2.5 μm or less (PM 2.5 ) among outdoor exercisers and to explore potential factors influencing those behaviors in the urban area of Nanjing, China. Method : A cross-sectional convenience sample survey was conducted among 302 outdoor exercisers in May 2015. Descriptive analysis was used to describe demographics, outdoor physical activity patterns, knowledge of PM 2.5 and risk reduction behaviors. Multivariate logistic regression analysis was then used to explore factors that influence the adoption of risk reduction behaviors. Results : The most common behavior to reduce PM 2.5 exposure was minimizing the times for opening windows on hazy days (75.5%), and the least common one was using air purifiers (19.3%). Two thirds of respondents indicated that they wore face masks when going outside in the haze (59.5%), but only 13.6% of them would wear professional antismog face masks. Participants adopting risk reduction behaviors regarding PM 2.5 exposure tended to be females, 50–60 year-olds, those with higher levels of knowledge about PM 2.5 and those who had children. Conclusions : These findings indicate the importance of improving knowledge about PM 2.5 among outdoor exercisers. Educational interventions should also be necessary to guide the public to take appropriate precautionary measures when undertaking outdoor exercise in high PM 2.5 pollution areas.

Keywords: risk reduction behavior; PM 2.5; outdoor exercisers; influencing factors; China (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2018
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