The relationship between census tract poverty and Shiga toxin-producing E. coli risk, analysis of foodnet data, 2010-2014
Open Forum Infectious Diseases, ISSN: 2328-8957, Vol: 5, Issue: 7, Page: ofy148
2018
- 10Citations
- 24Captures
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Metrics Details
- Citations10
- Citation Indexes9
- CrossRef2
- Policy Citations1
- Policy Citation1
- Captures24
- Readers24
- 24
Article Description
Background. The relationship between socioeconomic status and Shiga toxin-producing Escherichia coli (STEC) is not well understood. However, recent studies in Connecticut and New York City found that as census tract poverty (CTP) decreased, rates of STEC increased. To explore this nationally, we analyzed surveillance data from laboratory-confirmed cases of STEC from 2010-2014 for all Foodborne Disease Active Surveillance Network (FoodNet) sites, population 47.9 million. Methods. Case residential data were geocoded and linked to CTP level (2010-2014 American Community Survey). Relative rates were calculated comparing incidence in census tracts with < 20% of residents below poverty with those with ≥20%. Relative rates of age-adjusted 5-year incidence per 100 000 population were determined for all STEC, hospitalized only and hemolytic-uremic syndrome (HUS) cases overall, by demographic features, FoodNet site, and surveillance year. Results. There were 5234 cases of STEC; 26.3% were hospitalized, and 5.9% had HUS. Five-year incidence was 10.9/100 000 population. Relative STEC rates for the < 20% compared with the ≥ 20% CTP group were > 1.0 for each age group, FoodNet site, surveillance year, and race/ethnic group except Asian. Relative hospitalization and HUS rates tended to be higher than their respective STEC relative rates. Conclusions. Persons living in lower CTP were at higher risk of STEC than those in the highest poverty census tracts. This is unlikely to be due to health care-seeking or diagnostic bias as it applies to analysis limited to hospitalized and HUS cases. Research is needed to better understand exposure differences between people living in the lower vs highest poverty-level census tracts to help direct prevention efforts.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85050850061&origin=inward; http://dx.doi.org/10.1093/ofid/ofy148; http://www.ncbi.nlm.nih.gov/pubmed/30568988; https://academic.oup.com/ofid/article/doi/10.1093/ofid/ofy148/5047963; https://dx.doi.org/10.1093/ofid/ofy148; https://academic.oup.com/ofid/article/5/7/ofy148/5047963
Oxford University Press (OUP)
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