Division of Epidemiology and Community Health, University of Minnesota, 300 WBOB, 1300 S. 2nd St., Minneapolis, MN 55454, USA.
J Behav Med. 2010 Apr;33(2):147-58. doi: 10.1007/s10865-009-9244-1. Epub 2010 Jan 26.
Few behavioral interventions have been conducted to reduce high-risk sexual behavior among HIV-positive Men who have Sex with Men (HIV+ MSM). Hence, we lack well-proven interventions for this population. Positive Connections is a randomized controlled trial (n = 675 HIV+ MSM) comparing the effects of two sexual health seminars--for HIV+ MSM and all MSM--with a contrast prevention video arm. Baseline, 6-, 12- and 18-month follow-up surveys assessed psychosexual variables and frequency of serodiscordant unprotected anal intercourse (SDUAI). At post-test, intentions to avoid transmission were significantly higher in the sexual health arms. However, SDUAI frequency decreased equally across arms. HIV+ MSM engaging in SDUAI at baseline were more likely to leave the study. Tailoring interventions to HIV+ MSM did not increase their effectiveness in this study. A sexual health approach appeared as effective as an untailored video-based HIV prevention intervention in reducing SDUAI among HIV+ MSM.
针对 HIV 阳性男男性行为者(HIV+ MSM)的高风险性行为,我们开展的行为干预措施较少。因此,针对这一人群,我们缺乏经过充分验证的干预措施。Positive Connections 是一项随机对照试验(n = 675 名 HIV+ MSM),比较了两种性健康研讨会(针对 HIV+ MSM 和所有 MSM)与对照预防视频组的效果。基线、6 个月、12 个月和 18 个月的随访调查评估了心理性变量和血清不一致的无保护肛交(SDUAI)的频率。在测试后,性健康组避免传播的意愿显著更高。然而,SDUAI 的频率在各个组中都相等地下降。在基线时进行 SDUAI 的 HIV+ MSM 更有可能退出研究。在这项研究中,针对 HIV+ MSM 的干预措施并没有增加其效果。性健康方法似乎与未经调整的基于视频的 HIV 预防干预同样有效,可降低 HIV+ MSM 中的 SDUAI 频率。