Obembe Abiodun, Anyaele Okorie Okogbue, Oduola Adedayo Olatunbosun
Department of Biosciences and Biotechnology, Kwara State University Malete, Ilorin, Nigeria.
BMC Public Health. 2014 May 28;14:514. doi: 10.1186/1471-2458-14-514.
Studies implemented to evaluate the success of Long-lasting insecticidal nets (LLIN) distribution campaigns are often limited to ownership and utilization rates, neglecting other factors that directly affect the efficacy of the tool in malaria control. This study investigates sleeping habits and net maintenance behaviour in addition to LLIN ownership, utilization and the challenges associated with LLIN use among residents in Ilorin City where the tool has been massively distributed.
A cross-sectional survey was conducted using pre-tested interviewer-administered questionnaire to obtain information from randomly selected household respondents in Ilorin, the Kwara State Capital. The study was conducted in July 2012, about sixteen months after the March 2011 distribution of LLIN in the locality. The results were analyzed using the EPI INFO 2007 version.
LLIN ownership (85%) and utilization (37%) rates improved compared to earlier reports, though 29% of net users have noticed holes in the nets even as 26% claimed to have actually experienced mosquito bites under it. Most (92%) of the respondents who slept under LLIN the previous night before the study spent the first five hours of the night (19.00-23.00 hr) outdoors while 88% also engage in inappropriate net washing practices. All the LLIN users claimed to have experienced at least one malaria episode while 43% have had two or more episodes within the past twelve months.
The use of LLIN among the respondents in this study was accompanied by chancy sleeping habits, inappropriate net maintenance practices and repeated experience of mosquito bites under the nets. This shows the need to sustain the will and confidence of LLIN users in this area through frequent monitoring and surveillance visits targeted at enlightening the people on habits that increase malaria exposure risks as well as proper use and maintenance of LLIN for maximum malaria vector control benefits.
为评估长效驱虫蚊帐(LLIN)分发运动的成效而开展的研究,往往局限于蚊帐的拥有率和使用率,而忽略了其他直接影响该工具在疟疾防控中效果的因素。本研究调查了伊洛林市居民的睡眠习惯和蚊帐维护行为,此外还涉及LLIN的拥有情况、使用情况以及使用LLIN所面临的挑战。伊洛林市已大规模分发了该工具。
采用预先测试的访谈式问卷进行横断面调查,以从随机选择的家庭受访者中获取信息,这些受访者来自夸拉州首府伊洛林市。该研究于2012年7月进行,即在当地于2011年3月分发LLIN约16个月之后。使用EPI INFO 2007版本对结果进行分析。
与早期报告相比,LLIN的拥有率(85%)和使用率(37%)有所提高,不过29%的蚊帐使用者注意到蚊帐上有破洞,同时26%的人声称在蚊帐下确实遭到过蚊虫叮咬。在研究前一晚睡在LLIN下的大多数受访者(92%)在前五个小时(19:00 - 23:00)是在户外度过的,而88%的人还存在不当的蚊帐洗涤行为。所有LLIN使用者都声称至少经历过一次疟疾发作,43%的人在过去十二个月内发作过两次或更多次。
本研究中的受访者在使用LLIN时伴有随意的睡眠习惯、不当的蚊帐维护行为以及在蚊帐下反复遭到蚊虫叮咬的情况。这表明有必要通过频繁的监测和监督访问来维持该地区LLIN使用者的意愿和信心,这些访问旨在向人们宣传那些增加疟疾暴露风险的习惯,以及正确使用和维护LLIN以实现最大程度的疟疾媒介控制效益。