Analysis of spatial autocorrelation of HIV infections and patients in Zhaoyang District from 1997 to 2014

ZHENG Er-da; KANG Jia-rong; LIU Hong-yan; SHI Chang-xiong; LI Xing-yi; ZENG Bo; HU En-hui; NIU Meng-xia; LIU Hong-ying; XIONG An-hua; LUO Ji-kai; LU Lin; LI Hong

doi:10.16462/j.cnki.zhjbkz.2016.03.002

Volume 20 Issue 3

Mar. 2016

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Article Navigation > CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION > 2016 > 20(3): 220-224

ZHENG Er-da, KANG Jia-rong, LIU Hong-yan, SHI Chang-xiong, LI Xing-yi, ZENG Bo, HU En-hui, NIU Meng-xia, LIU Hong-ying, XIONG An-hua, LUO Ji-kai, LU Lin, LI Hong. Analysis of spatial autocorrelation of HIV infections and patients in Zhaoyang District from 1997 to 2014[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2016, 20(3): 220-224. doi: 10.16462/j.cnki.zhjbkz.2016.03.002

Citation:

ZHENG Er-da, KANG Jia-rong, LIU Hong-yan, SHI Chang-xiong, LI Xing-yi, ZENG Bo, HU En-hui, NIU Meng-xia, LIU Hong-ying, XIONG An-hua, LUO Ji-kai, LU Lin, LI Hong. Analysis of spatial autocorrelation of HIV infections and patients in Zhaoyang District from 1997 to 2014[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2016, 20(3): 220-224. doi: 10.16462/j.cnki.zhjbkz.2016.03.002

Citation:

ZHENG Er-da, KANG Jia-rong, LIU Hong-yan, SHI Chang-xiong, LI Xing-yi, ZENG Bo, HU En-hui, NIU Meng-xia, LIU Hong-ying, XIONG An-hua, LUO Ji-kai, LU Lin, LI Hong. Analysis of spatial autocorrelation of HIV infections and patients in Zhaoyang District from 1997 to 2014[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2016, 20(3): 220-224. doi: 10.16462/j.cnki.zhjbkz.2016.03.002

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Analysis of spatial autocorrelation of HIV infections and patients in Zhaoyang District from 1997 to 2014

doi: 10.16462/j.cnki.zhjbkz.2016.03.002

1. Department of Epidemiology and Health Statistics, School of Public Health, Kunming Medical University, Kunming 650500, China;
2. Department of HIV/AIDS Control and Prevention, Zhaoyang Center for Disease Control and Prevention, Zhaotong 653100, China;
3. Department of Science Research and Education, Yunnan Center for Disease Control and Prevention, Kunming 650022, China;
4. Yunnan Center for Disease Control and Prevention, Kunming 650022, China

Received Date: 2015-08-15
Rev Recd Date: 2016-01-26

Abstract

Abstract

Objective To explore and analyze spatial autocorrelation and the spatial distribution features of HIV/AIDS in Zhaoyang District, Yunnan province, and discuss the trend of variation with time for the HIV/AIDS cases clustering areas. Methods The reported cases of HIV/AIDS of Zhaoyang District from 1997 to 2014 were collected, and the global spatial autocorrelation analysis and the local spatial autocorrelation analysis were conducted by the method from spatial statistics. Results The annual global Moran's I indexes from 2002 to 2014 were higher than 0 (all P<0.05), which indicated that positive spatial autocorrelation existed in HIV/AIDS in Zhaoyang District and there were clusters of HIV/AIDS in Zhaoyang District. Local spatial autocorrelation analysis revealed that the hot-spot regions expanded with time. Bivariate global spatial autocorrelation analysis indicated that the cluster of annual reported HIV infetions correlated with the increased numbers of annual reported HIV infections via heterosexual transmission. Conclusions The hot-spot regions were in the urban and sub-urban areas of Zhaoyang District that had been expanding to surrounding neighbored villages and towns by heterosexual transmission gradually. For the further prevention and control of the hot-spot regions expanding, it is necessary for us to reinforce the surveillance and propaganda in both hot-spot regions and other towns, while strengthen the awareness and education of HIV in rural areas.
- HIV,
- Epidemiologic studies,
- Infection

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