A large scale cohort study on AIDS in communities in Dali, Yunnan province, 2014-2015
10.3760/cma.j.issn.0254-6450.2017.07.014
- VernacularTitle:云南省大理市大规模社区人群2014-2015年艾滋病队列研究
- Author:
Minyang XIAO
1
;
Xiaoming CHEN
;
Yanling MA
;
Liru FU
;
Jin NIU
;
Zhijuan CHEN
;
Hongyuan LI
;
Qinli WANG
;
Lijun SONG
;
Hongbing LUO
Author Information
1. 云南省疾病预防控制中心性病艾滋病防制所
- Keywords:
AIDS;
Community population;
Cohort study
- From:
Chinese Journal of Epidemiology
2017;38(7):916-920
- CountryChina
- Language:Chinese
-
Abstract:
Objective To understand HIV incidence in community residents and epidemiological characteristics of newly detected HIV infection cases in Dali,Yunnan province.Methods A cohort study was conducted among 146720 community residents who were tested to be HIV negative during 2010-2011,they were followed-up from June 1,2014 to May 31,2015.Results A total of 136356 community residents received follow up (92.9％).The follow-up time was 0.23-5.40 years (medium:3.43 years),cumulatively 459675 person years,and 78 people were found to be HIV positive.The incidence rate of HIV infection was 0.170/1000 person years.The incidence rate was 0.037/1000 person years in age group 15-29 years,0.288/1000 person years in age group 30-44 years,0.210/1000 person years in age group 45-59 years,0.204/1000 person years in age ≥60 years;0.213/1 000 person years in males,0.130/1000 person years in females;0.248/1000 person years inHan ethnic group,0.149/1000 person years in Minorities;0.194/1000 in people with education level ≤junior middle school,0.046/1000 person years in people with education level ＞ junior middle school;0.070/1000 person years in the unmarried,0.194/1000 person years in the married and 0.425/1000person years in the divorced/widowed.Cox proportional hazards regression analysis showed that being male (HR=l.731),aged 30-44 years (HR=13.158),aged 45-59 years (HR=10.329),aged ≥60years (HR=8.291),unmarried (HR=3.162) and divorced/widowed (HR=2.689) were the risk factors for HIV infection,while the education level ＞ junior middle school (HR=0.132) was the protective factor for HIV infection.Conclusions By medium 3.43 years follow up,the cohort study showed that incidence rate HIV infection was 0.170/1000 person years in the community residents in Dali.Male,middle aged and old people,people with low education level,the unmarried and the divorced/widowed had relatively higher risk to be infected with HIV,Close attention should be paid to the prevention and control of AIDS in these populations.
