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.