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Table 1 Significance of social and environmental variables compared to percent positive canine tests for antibodies to Borrelia burgdorferi (Bb) and human case reports of Lyme disease (LD)

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

Factor Percent positive canine tests for antibodies to Bb Human cases of LD/ 105 population
P-value F (1, 28) R 2 P-value F (1, 28) R 2
Percent positive canine tests for antibodies to Bb na na na <0.0001 25.51 0.48
Human cases of LD/ 105 population <0.0001 25.51 0.48 na na na
Population density 0.0446 4.42 0.14 0.1012 2.87 0.09
Income 0.1679 2.00 0.07 0.1182 2.60 0.08
Minimum temperature (November) <0.0001 66.36 0.70 0.0002 17.62 0.39
Maximum temperature (November) <0.0001 34.42 0.55 0.0029 10.61 0.27
Precipitation (November) 0.1925 1.78 0.06 0.6065 0.27 0.01
Normalized Difference Vegetation Index (NDVI) (November) 0.0004 16.53 0.37 0.0126 7.11 0.20
Open water 0.1456 2.24 0.07 0.2529 1.36 0.05
Developed (open space) 0.2902 1.16 0.04 0.1226 2.54 0.08
Developed (low intensity) 0.0001 22.83 0.45 0.0009 13.65 0.33
Developed (medium intensity) <0.0001 57.33 0.67 0.0020 11.68 0.29
Developed (high intensity) 0.0024 11.11 0.28 0.0461 4.36 0.13
Barren land 0.2547 1.35 0.05 0.4635 0.55 0.02
Deciduous forest <0.0001 96.63 0.78 0.0003 16.94 0.38
Evergreen forest 0.2885 1.17 0.04 0.3632 0.85 0.03
Mixed forest 0.0016 12.15 0.30 0.2086 1.66 0.06
Shrub/Scrub 0.2768 1.23 0.04 0.002 11.61 0.29
Grassland/Herbaceous 0.4544 0.58 0.02 0.6411 0.22 0.01
Pasture/Hay 0.0017 12.12 0.30 <0.0001 58.80 0.68
Cultivated crops 0.1468 2.23 0.07 0.173 1.95 0.07
Woody wetlands 0.0754 3.41 0.11 0.9843 0.00 0.00
Emergent herbaceous wetlands 0.0129 7.05 0.20 0.094 3.01 0.10
  1. Abbreviation: na not applicable