{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T09:45:53Z","timestamp":1780393553908,"version":"3.54.1"},"reference-count":22,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2017,5,26]],"date-time":"2017-05-26T00:00:00Z","timestamp":1495756800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100008627","name":"Global Affairs Canada","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100008627","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Tropical Med Int Health"],"published-print":{"date-parts":[[2017,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To compare administrative coverage data with results from household coverage surveys for vitamin A supplementation (VAS) and deworming campaigns conducted during 2010\u20132015 in 12 African countries.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Paired <jats:italic>t<\/jats:italic>\u2010tests examined differences between administrative and survey coverage for 52 VAS and 34 deworming dyads. Independent <jats:italic>t<\/jats:italic>\u2010tests measured VAS and deworming coverage differences between data sources for door\u2010to\u2010door and fixed\u2010site delivery strategies and VAS coverage differences between 6\u2010 to 11\u2010month and 12\u2010 to 59\u2010month age group.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>For VAS, administrative coverage was higher than survey estimates in 47 of 52 (90%) campaign rounds, with a mean difference of 16.1% (95% CI: 9.5\u201322.7; <jats:italic>P\u00a0<\/jats:italic>&lt;<jats:italic>\u00a0<\/jats:italic>0.001). For deworming, administrative coverage exceeded survey estimates in 31 of 34 (91%) comparisons, with a mean difference of 29.8% (95% CI: 16.9\u201342.6; <jats:italic>P\u00a0<\/jats:italic>&lt;<jats:italic>\u00a0<\/jats:italic>0.001). Mean\u00a0\u00b1\u00a0SD differences in coverage between administrative and survey data were 12.2%\u00a0\u00b1\u00a022.5% for the door\u2010to\u2010door delivery strategy and 25.9%\u00a0\u00b1\u00a024.7% for the fixed\u2010site model (<jats:italic>P\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>0.06). For deworming, mean\u00a0\u00b1\u00a0SD differences in coverage between data sources were 28.1%\u00a0\u00b1\u00a043.5% and 33.1%\u00a0\u00b1\u00a017.9% for door\u2010to\u2010door and fixed\u2010site distribution, respectively (<jats:italic>P\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>0.64). VAS administrative coverage was higher than survey estimates in 37 of 49 (76%) comparisons for the 6\u2010 to 11\u2010month age group and 45 of 48 (94%) comparisons for the 12\u2010 to 59\u2010month age group.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Reliance on health facility data alone for calculating VAS and deworming coverage may mask low coverage and prevent measures to improve programmes. Countries should periodically validate administrative coverage estimates with population\u2010based methods.<\/jats:p><\/jats:sec>","DOI":"10.1111\/tmi.12883","type":"journal-article","created":{"date-parts":[[2017,4,27]],"date-time":"2017-04-27T22:09:52Z","timestamp":1493330992000},"page":"822-829","source":"Crossref","is-referenced-by-count":9,"title":["Comparison of administrative and survey data for estimating vitamin A supplementation and deworming coverage of children under five years of age in Sub\u2010Saharan Africa"],"prefix":"10.1111","volume":"22","author":[{"given":"Amynah","family":"Janmohamed","sequence":"first","affiliation":[{"name":"Independent Consultant Mississauga Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Doledec","sequence":"additional","affiliation":[{"name":"Helen Keller International Nairobi Kenya"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,5,26]]},"reference":[{"key":"e_1_2_6_2_1","unstructured":"World Health Organization.Vitamin A deficiency (webpage). (Available from:http:\/\/www.who.int\/nutrition\/topics\/vad\/en.) [5 April 2017]"},{"key":"e_1_2_6_3_1","unstructured":"World Health Organization.Soil\u2010transmitted helminth infections Fact sheet. Updated March2016. (Available from:http:\/\/www.who.int\/mediacentre\/factsheets\/fs366\/en.) [5 April 2017]"},{"key":"e_1_2_6_4_1","volume-title":"Vitamin A Supplementation: A Decade of Progress","author":"UNICEF","year":"2007"},{"key":"e_1_2_6_5_1","volume-title":"Guideline: Vitamin A Supplementation in Infants and Children 6\u201359\u00a0months of Age","author":"World Health Organization","year":"2011"},{"key":"e_1_2_6_6_1","first-page":"CD008524","article-title":"Vitamin A supplementation for preventing morbidity and mortality in children from 6\u00a0months to 5\u00a0years of\u00a0age","volume":"12","author":"Imdad A","year":"2010","journal-title":"Cochrane Database Syst Rev"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.3402\/gha.v6i0.20343"},{"key":"e_1_2_6_8_1","first-page":"103","article-title":"Vitamin A supplementation coverage data in Africa: modernizing data collection to inform distribution strategies","volume":"28","author":"Katcher H","year":"2014","journal-title":"Sight Life"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.9745\/GHSP-D-12-00005"},{"key":"e_1_2_6_10_1","volume-title":"Immunization Coverage Cluster Survey \u2013 Reference manual","author":"World Health Organization","year":"2005"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0058629"},{"key":"e_1_2_6_12_1","first-page":"145","article-title":"Child Survival Week as a platform for promoting vitamin A supplementation in Niger","volume":"51","author":"Ma\u00efmouna D","year":"2016","journal-title":"Field Exchange"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1093\/infdis\/jiu373"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1080\/00220388.2014.968138"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.4236\/wjv.2014.41004"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-3156.2008.02181.x"},{"key":"e_1_2_6_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.vaccine.2016.06.053"},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(03)14411-X"},{"key":"e_1_2_6_19_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(08)61869-3"},{"key":"e_1_2_6_20_1","volume-title":"Civil Registration and Vital Statistics 2013: Challenges, Best Practice and Design Principles for Modern Systems","author":"World Health Organization","year":"2013"},{"key":"e_1_2_6_21_1","volume-title":"Assessing and Improving the Accuracy of Target Population Estimates for Immunization Coverage","author":"World Health Organization","year":"2015"},{"key":"e_1_2_6_22_1","doi-asserted-by":"publisher","DOI":"10.4236\/wjv.2014.43017"},{"key":"e_1_2_6_23_1","volume-title":"World Population Prospects: the 2012 Revision","author":"United Nations Population Division","year":"2013"}],"container-title":["Tropical Medicine &amp; International Health"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Ftmi.12883","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/tmi.12883","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,29]],"date-time":"2023-09-29T14:16:26Z","timestamp":1695996986000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/tmi.12883"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,5,26]]},"references-count":22,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2017,7]]}},"alternative-id":["10.1111\/tmi.12883"],"URL":"https:\/\/doi.org\/10.1111\/tmi.12883","archive":["Portico"],"relation":{},"ISSN":["1360-2276","1365-3156"],"issn-type":[{"value":"1360-2276","type":"print"},{"value":"1365-3156","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,5,26]]}}}