Table 1. Seropositivity of R. conorii and R. felis with respect to different category of the participants investigated in this study.
| Categories |
R. conorii |
R. felis |
||||
|---|---|---|---|---|---|---|
| Number (%) | P-value | 95% CI | Number (%) | P-value | 95% CI | |
| Study group | ||||||
| Blood donors (n=61) | 2 (3.3)a | <0.001 | 0.0%–7.9% | 0 (0.0)a | <0.001 | 0.0%–0.0% |
| Farm workers (n=87) | 12 (13.8)a | 6.4%–21.2% | 14 (16.1) | 8.2%–24.0% | ||
| Indigenous people (n=102) | 51 (50.0) | 40.1%–59.9% | 23 (22.5) | 14.3%–30.8% | ||
| Gender | ||||||
| Male (n=143) | 31 (21.7) | 0.072 | 14.8%–28.5% | 23 (16.1) | 0.509 | 10.0%–22.2% |
| Female (n=107) | 34 (31.8) | 22.8%–40.7% | 14 (13.1) | 6.6%–19.6% | ||
| Age group (years) | ||||||
| ≤20 (n=37) | 10 (27.0) | 0.011 | 12.0%–42.0% | 2 (5.4)b | 0.001 | 0.0%–13.0% |
| 21–30 (n=75) | 19 (25.3) | 15.3%–35.4% | 11 (14.7) | 6.5%–22.9% | ||
| 31–40 (n=60) | 16 (26.7) | 15.1%–38.2% | 3 (5.0)b | 0.0%–10.7% | ||
| 41–50 (n=39) | 3 (7.7)b | 0.0%–16.4% | 8 (20.5) | 7.3%–33.8% | ||
| ≥51 (n=39) | 17 (43.6) | 27.3%–59.9% | 13 (33.3) | 17.9%–48.8% | ||
Abbreviation: confidence interval, CI.
a
Significant difference in the rickettsial-seropositivity rate when compared to the indigenous people (Games–Howell post hoc test).
b
Significant difference in the rickettsial-seropositivity rate when compared to those ≥51 years of age (Games–Howell post hoc test).