A comparison of cluster and systematic sampling methods for measuring crude mortality.

Bulletin of the World Health Organization
Angela M C RoseHelga Ritter

Abstract

To compare the results of two different survey sampling techniques (cluster and systematic) used to measure retrospective mortality on the same population at about the same time. Immediately following a cluster survey to assess mortality retrospectively in a town in North Darfur, Sudan in 2005, we conducted a systematic survey on the same population and again measured mortality retrospectively. This was only possible because the geographical layout of the town, and the availability of a good previous estimate of the population size and distribution, were conducive to the systematic survey design. Both the cluster and the systematic survey methods gave similar results below the emergency threshold for crude mortality (0.80 versus 0.77 per 10,000/day, respectively). The results for mortality in children under 5 years old (U5MR) were different (1.16 versus 0.71 per 10,000/day), although this difference was not statistically significant. The 95% confidence intervals were wider in each case for the cluster survey, especially for the U5MR (0.15-2.18 for the cluster versus 0.09-1.33 for the systematic survey). Both methods gave similar age and sex distributions. The systematic survey, however, allowed for an estimate of the town's pop...Continue Reading

Citations

May 22, 2008·Population Health Metrics·Edward Fottrell, Peter Byass
Jun 5, 2007·Emerging Themes in Epidemiology·Paul B Spiegel
Jun 5, 2007·Emerging Themes in Epidemiology·Rebecca F GraisJean-Paul Guthmann
Jun 5, 2007·Emerging Themes in Epidemiology·UNKNOWN Working Group for Mortality Estimation in Emergencies
May 6, 2008·Emerging Themes in Epidemiology·Megan DeitchlerGilles Bergeron
Dec 23, 2009·Global Health Action·Edward Fottrell
Oct 14, 2011·Disasters·Gregory S StoneDavid J Bowman
Aug 27, 2015·PloS One·William W DavisChris Beyrer
Jul 28, 2016·Journal of Family Medicine and Primary Care·Chandrakant Lahariya

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