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Table 2 Backward stepwise regression comparing social and environmental variables to percent positive canine tests for antibodies to Borrelia burgdorferi. R = 0.9597, R2 = 0.9211, adjusted R2 = 0.9005, F(6, 23) = 44.76, P-level > F = 1.500e-11

From: Canine and human infection with Borrelia burgdorferi in the New York City metropolitan area

Variable Beta B P-level > t
Human case reports of Lyme disease per 105 population 0.3402 0.0261 0.0002
Population density 0.2557 0.0001 0.0045
Maximum temperature (November) 0.2711 0.0182 0.0548
Deciduous forest 0.8188 31.44 5.91e-6
Mixed forest 0.3771 76.0428 0.0003
Precipitation (November) 0.2188 0.005 0.0026
Constant -67.0655