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Zhonghua Liu Xing Bing Xue Za Zhi. 2013 Aug;34(8):788-91.

[Loss to follow-up and associated factors in a cohort study among men who have sex with men].

[Article in Chinese]

Author information

  • 1National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China.
  • 2China-US Cooperation-Global AIDS Program.
  • 3Guizhou Provincial Center for Disease Control and Prevention.
  • 4Yunnan Provincial Center for Disease Control and Prevention.
  • 5Guangxi Zhuang Autonomous Region Center for Disease Control and Prevention.
  • 6Xinjiang Uygur Autonomous Region Center for Disease Control and Prevention.
  • 7Chengdu Center for Disease Control and Prevention.
  • 8Shanghai Municipal Center for Disease Control and Prevention.
  • 9Chongqing Municipal Center for Disease Control and Prevention.

Abstract

OBJECTIVE:

To explore the associated factors on loss to follow-up among men who have sex with men (MSM) in a prospective cohort study.

METHODS:

We recruited eligible HIV-negative MSM at baseline in eight cities from June to October 2009. Interviewer-administrated questionnaire and blood testings for HIV, syphilis and human simplex virus type 2, were accomplished upon enrollment, 6-month and 12-month follow-up visits in the program. Loss to follow-up was recorded at each visit in this cohort. Univariate and multivariate statistical analysis were conducted to examine the associated factors on loss to follow-up.

RESULTS:

A total of 3196 eligible MSM were enrolled at the baseline study. During one year of follow-up, 894 (28.0%) of them dropped out thoroughly while 2302 (72.1%) showed up at least on one visit. Factors as MSM who were at age 25 or younger, resided locally less than 1 year, being unemployed, self-recognized as heterosexuality or bisexuality, never taking HIV testing in the past year, having had sex with women in the past 6 months etc., were more likely to withdraw from the follow-up visits. Conclusion Age, length of residency, sex orientation and history of HIV testing were associated with the loss of follow-up among MSM cohort in our study. These factors should be considered in this kind of study design in the future.

PMID:
24423764
[PubMed - in process]
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