Table 3. Univariate models.
Variable | OR (95% CI) | QIC |
Age at the test | 1.024 (1.002–1.046) | 562.28 |
Previous Lyme diagnosis | 7.437 (4.419–12.515) | 426.69 |
BEHAVIOR | ||
Hours in vegetation | 1.469 (1.081–1.996) | 562.22 |
Owning a dog | 1.149 (0.719–1.835) | |
Owning a cat | 1.294 (0.788–2.125) | |
Owning a different pet | 1.960 (0.826–4.649) | |
Frequency of deer seen on property | 0.976 (0.727–1.310) | |
Tick bite within the past year | 1.111 (0.737–1.674) | |
Tick bite within the past yearon Block Island | 1.136 (0.659–1.960) | |
Use of any protective measure | 0.726 (0.454–1.161) | |
Repellant | 0.683 (0.337–1.386) | |
Protective clothing | 0.456 (0.273–0.761) | 505.14 |
Avoiding brush | 0.801 (0.490–1.309) | |
Tick checking | 0.786 (0.495–1.247) | |
Landscape-related tickcontrol measures | 1.001 (0.605–1.654) | |
Occupational exposureto tick habitat | 0.639 (0.263–1.556) | |
LANDSCAPE | ||
Lawn largest patch index | 0.899 (0.699–1.156) | |
Lawn edge density | 1.009 (0.809–1.258) | |
Shrub class area | 1.152 (0.941–1.410) | |
Shrub largest patch index | 1.204 (0.965–1.503) | |
Shrub total edge | 1.109 (0.938–1.310) | |
Shrub edge density | 1.283 (1.015–1.621) | 566.68 |
Shrub landscape shape index | 1.158 (0.944–1.419) |
Univariate logistic regression models of the association between human behaviors and landscape metrics and positive Lyme disease serology. Statistically significant results at p<0.05 are indicated in bold.