2005-2011年重庆市沙坪坝区HIV感染状况分析

HIV Infection in Shapingba District of Chongqing,2005-2011

目的分析重庆市沙坪坝区2005—2011年HIV感染状况，为艾滋病防控工作提供依据。方法利用卡方检验、秩和检验以及游程检验对沙坪坝区2005—2011年HIV感染资料进行统计分析。结论2005—2011年沙坪坝区HIV感染者新增550例，各年增长速度分别为130％、65．2％、59．2％、70．2％、51．5％、36．9％和33．5％；2005—2011年新增HIV感染者男女构成差异有统计学意义（x。=20．65，P〈0．01），男性的比例有增加的趋势；各年龄组构成比差异有统计学意义（χ2=59．31，P〈0．01），20～49岁年龄组的比例在各年都最高，〈20岁低年龄组HIV感染者的比例有增加的趋势；文化程度构成差异有统计学意义（χ2=25．30，P〈0．01），低文化程度HIV感染者的比例高43．6％，但高文化程度HIV感染者构成比有增加的趋势；职业构成差异有统计学意义（HC=93．25，P〈0．01），家务及待业人员在各年的构成比较高，学生HIV感染者构成比有增加的趋势。传播途径构成差异有统计学意义（χ2=269．50，P〈0．01），性传播（包括同性和异性）感染比例大，且有逐年上升趋势。结论2005—2011年沙坪坝区HIV感染者新增呈逐年上升的趋势，但增长速度有所放缓，应进一步加强艾滋病防治工作，重点关注文化程度较低的中年男性人群的防治工作。

Objective To analyze the HIV infection status from 2005 to 2011 in Shapingba district, and to provide basis for the HIV prevention work. Methods HIV infection data from 2005 to 2011 in Shapingba district were statistically analyzed with methods of chi - square test, rank sum test and run test. Results Totally 550 new HIV cases were reported through 2005 to 2011 and the increasing rate were respectively 130% , 65.2% , 59.2% , 70. 2%, 51.5% and 36.9%. In the new HIV infections from 2005 to 2011, males were more than females （χ2 =20. 65, P 〈0. 01）, and the proportion of males were increasing yearly. Statistical difference was found in the age composition （X2 =59.31, P 〈0. 01 ） ; the 20 -49 years old population took the greatest proportion in each year and there was an upward trend in the number of HIV infections under 20 years old. Statistical difference was found in the educational degree composition （χ2 = 25.30, P 〈0. 01 ） ; the proportion of the low educational level 43.6%. However, the people living with HIV was proportion of the high educational level people living with HIV showed an increasing trend. There was statistical differences among the occupational composition （Hc =93.25, P 〈0. 01 ）.The proportion of house workers and unemployed were relatively high in each year, and there was an increasing trend in the proportion of students. There was statistical differences among the transmission routes （χ2 = 269.50, P 〈0. 01 ） ; the proportion of sexually transmitted infections was high （ including same - sex and heterosexual） and kept an increasing trend yearly. Conclusion The HIV infection growth speed has slowed under effective preventive measures. Much emphasis should be put on the low education degree population and those in 20 -49 years old males.