Volume 8, Number 3—March 2002
Research
Associations between Indicators of Livestock Farming Intensity and Incidence of Human Shiga Toxin-Producing Escherichia Coli Infection
Table 4
Multivariable spatial Poission regression models for predicting incidence of human shiga-toxin-producing Escherichia coli infection, Ontario, 1996-1998
Variable | Estimate | S.E. | p-value | r2 |
---|---|---|---|---|
Intercept HUMBCOWa PIGFARMb SMANCCSc LSMANCRPd | 1.04 0.65 -0.003 4.19 7.82 | 0.18 0.13 0.001 1.86 2.47 | <0.001 <0.001 0.04 0.03 0.002 | 0.2655 |
aRatio of no. beef cattle to human population in a consolidated census subdivision (CCS).
bTotal no. of swine per km2 of farmland in a CCS.
cProportion in a CCS having manure applied to land surface via solid spreader.
dProportion in a CCS having manure applied to land surface via liquid spreader.