Table 1.
Demographic Characteristics of Serosurvey Participants, Grand Teton National Park (GRTE) and Bridger-Teton National Forest (BTNF), June–August, 2010a
| GRTE | BTNF | Total | ||||
|---|---|---|---|---|---|---|
| n = 106 | n = 20 | n = 126 | ||||
| Characteristic | No. | (%) | No. | (%) | No. | (%) |
| Sex | ||||||
| Male | 64 | (60) | 13 | (65) | 77 | (61) |
| Race | ||||||
| White | 100 | (94) | 19 | (95) | 119 | (94) |
| Asian | 1 | (1) | 1 | (5) | 2 | (2) |
| Black | 1 | (1) | 0 | (0) | 1 | (1) |
| Other/Unknown | 4 | (4) | 0 | (0) | 4 | (3) |
| Age (years) | ||||||
| Median (range) | 35 | (21–76) | 41 | (19–62) | 35 | (19–76) |
| Employed at site (years) | ||||||
| Median (range) | 1 | (0.3–26) | 2 | (0.3–27) | 1 | (0.3–27) |
| Worked outdoors | ||||||
| > 20 h/week | 60 | (57) | 14 | (70) | 74 | (59) |
| Tick historyb | ||||||
| None | 67 | (63) | 12 | (60) | 79 | (63) |
| ≥ 1 unattached | 39 | (37) | 8 | (40) | 47 | (37) |
| ≥ 1 attached | 11 | (10) | 1 | (5) | 12 | (10) |
a
Only those who attended both study visits and completed the risk factor survey are included (n = 126).
b
Tick exposure was defined as one or more ticks found on a person during June–August, 2010.
GRTE, Grand Teton National Park; BTNF, Bridger-Teton National Forest.