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Volume 15, Number 3—March 2009

Dispatch

Sudden Increases in Listeriosis Rates in England and Wales, 2001 and 2003

Benjamin J. CairnsComments to Author  and Robert J.H. Payne
Author affiliations: University of Bristol, Bristol, UK

Main Article

Table 2

Estimated coefficients for terms in the best fit model for the monthly incidence of listeriosis*†

Variable Coefficient 95% Confidence interval Unadjusted p value Adjusted p value
(Intercept) 1.5430 1.3961–1.6879 <0.001 <0.001
GEAPR01 0.3424 0.1594–0.5243 <0.001 0.001
GEMAR03 0.3904 0.2462– 0.5373 <0.001 <0.001
MEANTEMP 0.0239 0.0055–0.0424 0.011 0.044
MEANTEMP1 0.0401 0.0217–0.0586 <0.001 <0.001
MONTHNUM –0.0013 –0.0027–0.0001 0.063 0.188
ANOMALY1 0.0246 –0.0246–0.0739 0.327 0.327
ANOMALY1×GEAPR01 0.0556 –0.0212–0.1323 0.156 0.312
θ (theta) 600.41 NA NA NA

*NA, not applicable.
†p values are for 2-sided tests of significance of the difference of each coefficient from zero; adjusted p values are according to Holm’s method (10). Percentage changes in the main text can be derived from these coefficients by taking exponentials, subtracting 1, and multiplying by 100.

Main Article

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