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Volume 15, Number 8—August 2009

Dispatch

Shiga Toxin–producing Escherichia coli, New Mexico, USA, 2004–2007

Sarah LathropComments to Author , Karen Edge, and Joseph Bareta
Author affiliations: University of New Mexico, Albuquerque, New Mexico, USA (S. Lathrop, K. Edge); New Mexico Department of Health, Santa Fe, New Mexico, USA (J. Bareta)

Main Article

Table 2

Comparisons of risk for infection with STEC O157 versus non-O157 STEC types, by demographic characteristic, averaged population, New Mexico, USA, 2004–2007*

CharacteristicUnadjusted incidence rate ratio† (95% CI)p valueAdjusted incidence rate ratio† (95% CI)p value
Race
Other11
White
3.21 (1.42–7.27)
0.01
3.03 (1.34–6.90)
0.008
Age, y
<511
>5
2.61 (1.09–6.22)
0.03
2.74 (1.15–6.54)
0.031
County
Urban11
Rural1.96 (0.98–3.92)0.051.84 (0.91–3.69)0.089

*STEC, Shiga toxin–producing Escherichia coli; O157, serotype O157:H7; CI, confidence interval.
†Corrected for overdispersion by using negative binomial distribution.

Main Article

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