Comparison of 3-day and 7-day recall periods for food consumption reference values in foodborne disease outbreak investigations.

Autor:	Morton VK; Public Health Agency of Canada,Guelph, ON,Canada., Thomas MK; Public Health Agency of Canada,Guelph, ON,Canada., Ciampa N; Public Health Agency of Canada,Guelph, ON,Canada., Cutler J; Public Health Agency of Canada,Guelph, ON,Canada., Hurst M; Public Health Agency of Canada,Guelph, ON,Canada., Currie A; Public Health Agency of Canada,Ottawa, ON,Canada.
Jazyk:	angličtina
Zdroj:	Epidemiology and infection [Epidemiol Infect] 2019 Jan; Vol. 147, pp. e129.
DOI:	10.1017/S0950268818003370
Abstrakt:	Investigations into an outbreak of foodborne disease attempt to identify the source of illness as quickly as possible. Population-based reference values for food consumption can assist in investigation by providing comparison data for hypothesis generation and also strengthening the evidence associated with a food product through hypothesis testing. In 2014-2015 a national phone survey was conducted in Canada to collect data on food consumption patterns using a 3- or 7-day recall period. The resulting food consumption values over the two recall periods were compared. The majority of food products did not show a significant difference in the consumption over 3 days and 7 days. However, comparison of reference values from the 3-day recall period to data from an investigation into a Salmonella Infantis outbreak was shown to support the conclusion that chicken was the source of the outbreak whereas the reference values from a 7-day recall did not support this finding. Reference values from multiple recall periods can assist in the hypothesis generation and hypothesis testing phase of foodborne outbreak investigations.
Databáze:	MEDLINE
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