AIMS: Assessment was made of the validity of mortality estimates based on data collected during 1999-2000 by quarterly follow-up visits and compared with other methods (re-census, communal death registration, and neighbourhood survey). METHODS: This study was carried out within a longitudinal epidemiological laboratory in Bavi, District, Vietnam (called FilaBavi), covering a sample of 11,089 households with 51,024 inhabitants. Deaths within FilaBavi during 1999-2000 were collected by four methods and compared: quarterly household follow-ups, the re-census carried out in 2001, the Commune Population Registration System (CPRS), and a neighbourhood survey. RESULTS: Within these four methods, a total of 471 deaths were detected in the FilaBavi sample. Quarterly household follow-ups detected 470 deaths (99.8%). The re-census missed 19 deaths, of which eight were infants, and two-thirds of the missed deaths fell in 1999. The CPRS missed 89 cases (19%), the majority being infant and elderly deaths. The neighbourhood survey over-reported deaths. CONCLUSIONS: Quarterly follow-ups were the best method for death registration. The re-census approach was less complete, with problems of recall bias. The completeness and quality of death registration by CPRS was low, especially for infant and elderly mortality.
AIMS: Assessment was made of the validity of mortality estimates based on data collected during 1999-2000 by quarterly follow-up visits and compared with other methods (re-census, communal death registration, and neighbourhood survey). METHODS: This study was carried out within a longitudinal epidemiological laboratory in Bavi, District, Vietnam (called FilaBavi), covering a sample of 11,089 households with 51,024 inhabitants. Deaths within FilaBavi during 1999-2000 were collected by four methods and compared: quarterly household follow-ups, the re-census carried out in 2001, the Commune Population Registration System (CPRS), and a neighbourhood survey. RESULTS: Within these four methods, a total of 471 deaths were detected in the FilaBavi sample. Quarterly household follow-ups detected 470 deaths (99.8%). The re-census missed 19 deaths, of which eight were infants, and two-thirds of the missed deaths fell in 1999. The CPRS missed 89 cases (19%), the majority being infant and elderly deaths. The neighbourhood survey over-reported deaths. CONCLUSIONS: Quarterly follow-ups were the best method for death registration. The re-census approach was less complete, with problems of recall bias. The completeness and quality of death registration by CPRS was low, especially for infant and elderly mortality.
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Authors: Christopher J L Murray; Alan D Lopez; Jeremy T Barofsky; Chloe Bryson-Cahn; Rafael Lozano Journal: PLoS Med Date: 2007-11-20 Impact factor: 11.069
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