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Volume 21, Number 9—September 2015
Emerging Infections Program
Emerging Infections Program

Socioeconomic Status and Foodborne Pathogens in Connecticut, USA, 2000–20111

Bridget M. WhitneyComments to Author , Christina Mainero, Elizabeth Humes, Sharon Hurd, Linda Niccolai, and James L. Hadler
Author affiliations: Yale School of Public Health, New Haven, Connecticut, USA

Main Article

Table 4

Age-adjusted incidence rates and age-adjusted rate ratios of STEC O157, non-O157, and HUS by census tract–level SES, Connecticut, USA, 2000–2011*

STEC category
Census tract–level SES, % living below poverty level
p value†
All STEC, N = 744 <0.001
Age-adjusted IR 2.36 1.67 1.22 0.62
Age-adjusted IRR 1.00 0.71 0.52 0.26
STEC O157, n = 471 <0.001
Age-adjusted IR 1.48 1.20 0.70 0.36
Age-adjusted IRR 1.00 0.81 0.47 0.24
STEC non-O157, n = 273 <0.001
Age-adjusted IR 0.89 0.48 0.52 0.26
Age-adjusted IRR 1.00 0.54 0.58 0.29
HUS, n = 49 <0.001
Age-adjusted IR 0.16 0.17 0.03 0.04
Age-adjusted IRR 1.00 1.04 0.19 0.25

*IR, incidence rate; IRR, incidence rate ration; HUS, hemolytic uremic syndrome; SES, socioeconomic status; STEC, Shiga toxin–producing Escherichia coli. Age-adjusted IRs calculated/100,000 persons; Reference category for age-adjusted IRRs is <5% poverty.
†By χ2 test for trend.

Main Article

1Preliminary results from this study were presented at the 2014 Annual Conference of the Council of State and Territorial Epidemiologists; June 23–25, 2014; Nashville, Tennessee, USA.

Page created: August 12, 2015
Page updated: August 12, 2015
Page reviewed: August 12, 2015
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