A review of changing episode definitions and their effects on estimates of diarrhoeal morbidity
Wright, J.A., Gundry, S.W. and Conroy, R. (2007) A review of changing episode definitions and their effects on estimates of diarrhoeal morbidity. Journal of Population Health and Nutrition, 25, (4), 448-455.
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Description/Abstract
This paper describes how the methodology used for measuring diarrhoeal morbidity has changed over time
and assesses how differences in episode definition have affected estimates of diarrhoeal morbidity among
children aged less than five years. The episode definition used in 73 studies included in three previouslypublished
literature reviews was identified. In earlier work, a method was developed that adjusts morbidity
estimates to take account of differences in episode definition. This adjustment method was applied to the
studies identified in these three literature reviews. Episode definitions were better documented and were
more consistent in studies published after 1980. Adjusting morbidity estimates to account for definitional
differences did not substantially alter the reviews’ conclusions. Diarrhoeal surveillance has steadily improved
since 1980, with methodology becoming more consistent between studies and better documented.
Although episode definitions have changed over time, the morbidity estimates derived in the three reviews
appear robust to these changes.
| Item Type: | Article |
|---|---|
| ISSNs: | 1606-0997 (print) |
| Related URLs: | |
| Keywords: | definition, developing countries, diarrhoea, epidemiology, morbidity |
| Subjects: | G Geography. Anthropology. Recreation > G Geography (General) G Geography. Anthropology. Recreation > GE Environmental Sciences G Geography. Anthropology. Recreation > GB Physical geography |
| Divisions: | University Structure - Pre August 2011 > School of Geography > Remote Sensing and Spatial Analysis |
| Item ID: | 55589 |
| Date Deposited: | 01 Aug 2008 |
| Last Modified: | 01 Jun 2011 02:40 |
| Contributors: | Wright, J.A. (Author) Gundry, S.W. (Author) Conroy, R. (Author) |
| Date: | December 2007 |
| Status: | Published |
| Contact Email Address: | J.A.Wright@soton.ac.uk |
| URI: | http://eprints.soton.ac.uk/id/eprint/55589 |
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