Table 1 Baseline and serology data
From: Evaluation of factors influencing tick bites and tick-borne infections: a longitudinal study
Baseline | 2018 | 2019 | P-value | Total |
|---|---|---|---|---|
Age, years, median (range) | 45 (19–65) | 46.5 (21–67) | 0.76 | 46 (19–67) |
Sex, male/female | 112/102 | 81/49 | 0.071 | 193/151 |
Outdoor recreational activities, no. (%) | 150/214 (70.1%) | 96/130 (73.8%) | 0.45 | 246 (71.3%, 95% CI 66.5–76.1) |
Outdoor work-related activities, no. (%) | 54/214 (25.2%) | 31/130 (23.8%) | 0.708 | 85 (24.7%, 95% CI 20.1–29.3) |
Furred pet ownership, no. (%) | 108/214 (50.47%) | 57/130 (43.85%) | 0.474 | 165 (47.9%, 95% CI 42.6–53.1) |
Tick bite within season, no. (%) | 15/214 (7.01%) | 7/130 (5.38%) | 0.55 | 22 (6.4%, 95% CI 3.8–9) |
Borrelia burgdorferi | ||||
IgM sample 1, no. (%) | 14/214 (7.48%) | 13/130 (10%) | 0.293 | 27 (7.84%, 95% CI 4.9–10.6) |
IgG sample 1, no. (%) | 10/214 (4.67%) | 13/130 (10%) | 0.069 | 23 (6.7%, 95% CI 4–9.3) |
Seroconversion, no. (%)a | 6/93 (6.45%) | 2/34 (5.88%) | 1 | 8/127 (6.3%, 95% CI 2.1–10.5) |
Rickettsia spp. (antigen: R. helvetica) | ||||
IgM sample 1, no. (%) | 0 | 0 | 0 | |
IgG sample 1, no. (%) | 0 | 0 | 0 | |
Seroconversion, no. (%) | 0 | 1/34 (2.9%) | 1/127 (0.8%, 95% CI 0.02–4.3)b | |
Anti-Rickettsia felis antibodies | 0 | 0 | 0 | |