A simple method for rapid community assessment of tungiasis
Ariza, L., Wilcke, T., Jackson, A., Gomide, M., Ugbomoiko, U.S., Feldmeier, H., and Heukelbach, J. (2010) A simple method for rapid community assessment of tungiasis. Tropical Medicine & International Health, 15 (7). pp. 856-864.
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Objective: To evaluate a rapid assessment method to estimate the overall prevalence of tungiasis and severity of disease in endemic communities.
Methods: We analysed data from 10 population-based surveys on tungiasis, performed in five endemic communities in Brazil and Nigeria between 2001 and 2008. To assess the association between occurrence of tungiasis on six defined topographic areas of the feet and the true prevalence/prevalence of severe disease, linear regression analyses were performed. Estimated prevalences were calculated for each of the 10 surveys and compared to true prevalences. We then selected the most useful topographic localization to define a rapid assessment method, based on the strength of association and operational aspects.
Results: In total, 7121 individuals of the five communities were examined. Prevalence of tungiasis varied between 21.1% and 54.4%. The presence of periungual lesions on the toes was identified as the most useful rapid assessment to estimate the prevalence of tungiasis (absolute errors: −4% to +3.6%; R2 = 96%; P < 0.0001). Prevalence of severe tungiasis (>20 lesions) was also estimated by the method (absolute errors: −3.1% to +2.5%; R2 = 76%; P = 0.001).
Conclusion: Prevalence of tungiasis and prevalence of severe disease can be reliably estimated in communities with distinct cultural and geographical characteristics, by applying a simple and rapid epidemiological method. This approach will help to detect high-risk communities and to monitor control measures aimed at the reduction of tungiasis.
|Item Type:||Article (Refereed Research - C1)|
|Keywords:||tungiasis, Tunga penetrans, rapid assessment method, Brazil, Africa|
|FoR Codes:||11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111799 Public Health and Health Services not elsewhere classified @ 100%|
|SEO Codes:||92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920499 Public Health (excl. Specific Population Health) not elsewhere classified @ 100%|
|Deposited On:||13 May 2011 16:56|
|Last Modified:||15 Jun 2013 01:34|
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