Table 1.
Prevalence of Coxiella burnetii-phase II-specific IgG in different occupational settings
| Group | n | Female:male | Age (range) (years) |
Time of exposition* (range) (years) |
Proportion† (%) | P value |
| Blood donors | 92 | 2:7 | 35 (18–67) | 2/92(2.2) | Reference | |
| Shepherds | 77 | 1:9 | 45 (19–70) | 28 (0–62) | 59/77(76.6) | <0.001 |
| Cattle farmers | 14 | 1:2 | 52 (32–65) | 31 (12–54) | 9/14(70.3) | <0.001 |
| Veterinarians | 74 | 1:1 | 45 (24–75) | 19 (0–50) | 52/74(64.3) | <0.001 |
| Office employees | 17 | 3:1 | 46 (26–56) | 23 (2–36) | 7/17(41.2) | <0.001 |
| Obstetricians | 68 | 99:1 | 44 (24–64) | 22 (0.5–45) | 0/68(0.0) | 0.221 |
*Occupational time, except for shepherds where the whole duration of sheep contact was used.
†Seroprevalence for C. burnetii-phase II-specific IgG.