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Int. J. Environ. Res. Public Health 2017, 14(11), 1428;

Spatiotemporal Distribution of U5MR and Their Relationship with Geographic and Socioeconomic Factors in China

2,3,* , 2,* , 1
College of Geoscience and Surveying Engineering, China University of Mining & Technology (Beijing), Ding No.11 Xueyuan Road, Haidian District, Beijing 100083, China
Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, 11A Datun Road, Chaoyang District, Beijing 100101, China
College of Resource and Environment, University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
These authors contributed equally to this work.
Authors to whom correspondence should be addressed.
Received: 16 September 2017 / Revised: 1 November 2017 / Accepted: 9 November 2017 / Published: 21 November 2017
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Epidemiological studies conducted around the world have reported that the under-five mortality rate (U5MR) is closely associated with income and educational attainment. However, geographic elements should also remain a major concern in further improving child health issues, since they often play an important role in the survival environment. This study was undertaken to investigate the relationship between the U5MR, geographic, and socioeconomic factors, and to explore the associated spatial variance of the relationship in China using the geographically weighted regression (GWR) model. The results indicate that the space pattern of a high U5MR had been narrowed notably during the period from 2001 to 2010. Nighttime lights (NL) and the digital elevation model (DEM) both have obvious influences on the U5MR, with the NL having a negative impact and DEM having a positive impact. Additionally, the relationship between the NL and DEM varied over space in China. Moreover, the relevance between U5MR and DEM was narrowed in 2010 compared to 2001, which indicates that the development of economic and medical standards can overcome geographical limits. View Full-Text
Keywords: U5MR; nighttime lights; digital elevation model; GWR U5MR; nighttime lights; digital elevation model; GWR

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Li, Z.; Fu, J.; Jiang, D.; Lin, G.; Dong, D.; Yan, X. Spatiotemporal Distribution of U5MR and Their Relationship with Geographic and Socioeconomic Factors in China. Int. J. Environ. Res. Public Health 2017, 14, 1428.

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