The cost of mapping trachoma: Data from the Global Trachoma Mapping Project.

Autor: Guillaume Trotignon, Ellen Jones, Thomas Engels, Elena Schmidt, Deborah A McFarland, Colin K Macleod, Khaled Amer, Amadou A Bio, Ana Bakhtiari, Sarah Bovill, Amy H Doherty, Asad Aslam Khan, Mariamo Mbofana, Siobhain McCullagh, Tom Millar, Consity Mwale, Lisa A Rotondo, Angela Weaver, Rebecca Willis, Anthony W Solomon
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: PLoS Neglected Tropical Diseases, Vol 11, Iss 10, p e0006023 (2017)
Druh dokumentu: article
ISSN: 1935-2727
1935-2735
DOI: 10.1371/journal.pntd.0006023
Popis: The Global Trachoma Mapping Project (GTMP) was implemented with the aim of completing the baseline map of trachoma globally. Over 2.6 million people were examined in 1,546 districts across 29 countries between December 2012 and January 2016. The aim of the analysis was to estimate the unit cost and to identify the key cost drivers of trachoma prevalence surveys conducted as part of GTMP.In-country and global support costs were obtained using GTMP financial records. In-country expenditure was analysed for 1,164 districts across 17 countries. The mean survey cost was $13,113 per district [median: $11,675; IQR = $8,365-$14,618], $17,566 per evaluation unit [median: $15,839; IQR = $10,773-$19,915], $692 per cluster [median: $625; IQR = $452-$847] and $6.0 per person screened [median: $4.9; IQR = $3.7-$7.9]. Survey unit costs varied substantially across settings, and were driven by parameters such as geographic location, demographic characteristics, seasonal effects, and local operational constraints. Analysis by activities showed that fieldwork constituted the largest share of in-country survey costs (74%), followed by training of survey teams (11%). The main drivers of in-country survey costs were personnel (49%) and transportation (44%). Global support expenditure for all surveyed districts amounted to $5.1m, which included grant management, epidemiological support, and data stewardship.This study provides the most extensive analysis of the cost of conducting trachoma prevalence surveys to date. The findings can aid planning and budgeting for future trachoma surveys required to measure the impact of trachoma elimination activities. Furthermore, the results of this study can also be used as a cost basis for other disease mapping programmes, where disease or context-specific survey cost data are not available.
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