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某医科大学生蠕形螨感染率及影响因素调查
引用本文:许精巧,;孙凤霞,;尹纯礼,;张海生,;刘淼,;任翠萍,;沈际佳.某医科大学生蠕形螨感染率及影响因素调查[J].疾病控制杂志,2014,18(8):729-731.
作者姓名:许精巧  ;孙凤霞  ;尹纯礼  ;张海生  ;刘淼  ;任翠萍  ;沈际佳
作者单位:[1]安徽医科大学公共卫生学院预防医学系,安徽合肥230032; [2]安徽医科大学基础医学院病原生物学教研室,安徽合肥230032
基金项目:安徽医科大学大学生创新性实验计划(CXSYJH2008001)
摘    要:目的 为了解某医科大学生面部蠕形螨的感染状况,探讨蠕形螨感染的危险因素.方法 以某医科大学的641名在校大学生为调查对象,采用透明胶带法收集样本,并进行镜检.同时,采用自行设计的问卷调查,x2检验等方法分析蠕形螨感染的相关因素.结果 受检学生641人,检出感染人体蠕形螨74人,感染率11.5%,其中男生感染率为9.7% (26/269),女生感染率为12.9% (48/372),差异无统计学意义(P=0.206);2011级学生的检出率为14.8% (37/250),2012级学生的检出率为9.5% (37/391),差异有统计学意义(P=0.039);油性或混合性肤质者感染率为13.1%比干性或中性皮肤者感染率(6.1%)高(P =0.026);感染者的感染度以轻度(1~5条)为主,占95.9% (71/74),1人最多检出14条蠕形螨.结论 该校的蠕形螨感染率偏低.随集体宿舍生活时间的增加,感染率上升;偏油性肤质者比偏干性肤质者更容易发生感染.

关 键 词:学生  螨感染  流行病学

Investigation on Demodex mites infection rates and influencing factors among medical university students
Institution:XU Jing-qiao , SUN Feng-xia , YIN Chun-li , ZHANG Hai-sheng , LIU Miao, REN Cui-ping, SHEN Ji-jia( 1. Department of Preventive Medicine, School of Public Health, Anhui Medical University, Hefei 230032, China ; 2. Department of Pathogen Biology, School of Basic Medical, Anhui Medical University, Hefei 230032, China)
Abstract:Objective To investigate the prevalence of Demodex mites among the local medical university students and to explore the influencing factors for the infection. Methods 641 students were investigated for Demodex mites by cellophane tape method. The samples were screened by microscopic examination. The influencing factors were surveyed by the self-designed questionnaire and analyzed with chi-square test. Results The total detection rate of Demodex mites of the local medical university students was 11.5 % (9.7% for male, 12. 9% for female, respectively), the rate was not different between male and female (P =0. 206). The positive rate of grade 2011 students was 14. 8% , which higher than 9. 5% in those of grade 2012 (P = 0. 039 ). Demodex mites had higher infection frequency in moist or mixed skin than dry or neuter skin(P =0. 026). 95.9 % (71/74) of infected students were found to have 1 -5 mites, 14 mites were found at most in one person. Conclusions The infection of Demodex mites is not very common in the local medical university. The length of time of school dormitory life and different skin types may be the risk factors for Dernodex mites infection. The infection occurrence rate is increased with the lenghth of dormitory life time. Partial oily skin people have a greater risk of infection than dry skin people.
Keywords:Students  Mite infestation  Epidemiology
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