Table 3.
Comparison of Flavivirus prevalence by site, demographic parameters and history of YF vaccination from Firth’s multiple logistic regression model
| Variable | West Pokot (N = 464) | Variable | Turkana (N = 413) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Yellow fever (n = 6) | Zika (n = 33) | Yellow Fever (n = 44) | West Nile (n = 42) | ||||||
| aOR (95% CI) | Pvalue | aOR (95% CI) | Pvalue | aOR (95% CI) | Pvalue | aOR (95% CI) | Pvalue | ||
| Site | Site | ||||||||
| Kokipei | Reference | Reference | Elelea | Reference | Reference | ||||
| Sangakai | 8.24 (0.31–220.15) | 0.208 | 0.77 (0.23–2.60) | 0.669 | Prigan | 0.42 (0.10–1.79) | 0.240 | 0.98 (0.21–4.69) | 0.982 |
| Kanyerus | 8.32 (0.40–172.04) | 0.170 | 1.10 (0.41–2.93) | 0.853 | Kare Edome | 0.32 (0.10–1.04) | 0.058 | 0.94 (0.28–3.17) | 0.925 |
| Shaba | 1.46 (0.03–77.85) | 0.851 | 0.45 (0.12–1.70) | 0.241 | Nayanaesanyati | 0.36 (0.12–1.07) | 0.066 | 1.21 (0.37–3.92) | 0.749 |
| Longarkau | 2.02 (0.04–110.5) | 0.731 | 0.24 (0.04–1.46) | 0.122 | Old gunner | 0.39 (0.12–1.22) | 0.106 | 0.88 (0.24–3.14) | 0.838 |
| Pkotong | 2.02 (0.04–104.34) | 0.728 | 0.36 (0.08–1.67) | 0.191 | Lowarengak | 0.39 (0.15–0.99) | 0.047 | 1.45 (0.49–4.31) | 0.505 |
| Sex | Sex | ||||||||
| female | Reference | Reference | female | Reference | Reference | ||||
| male | 0.40 (0.04–4.62) | 0.466 | 2.01 (0.91–4.41) | 0.084 | male | 0.84 (0.41–1.72) | 0.631 | 2.55 (1.22–5.34) | 0.013 |
| Age group | Age group | ||||||||
| 13–19 | Reference | Reference | 13–19 | Reference | Reference | ||||
| 20–29 | 0.82 (0.03–24.26) | 0.910 | 0.35 (0.07–1.81) | 0.209 | 20–29 | 1.26 (0.41–3.84) | 0.686 | 0.76 (0.22–2.66) | 0.663 |
| 30–39 | 1.76 (0.08–38.73) | 0.721 | 0.42 (0.09–2.07) | 0.288 | 30–39 | 1.59 (0.52–4.84) | 0.414 | 1.43 (0.41–4.92) | 0.574 |
| 40–49 | 1.06 (0.04–30.49) | 0.975 | 0.45 (0.09–2.31) | 0.337 | 40–49 | 1.03 (0.26–4.01) | 0.970 | 1.09 (0.24–4.94) | 0.912 |
| 50+ | 0.39 (0.01–12.26) | 0.595 | 0.34 (0.07–1.59) | 0.169 | 50+ | 0.72 (0.22–2.38) | 0.589 | 2.10 (0.66–6.66) | 0.206 |
| Herdsman | Herdsman | ||||||||
| No | Reference | Reference | No | Reference | Reference | ||||
| Yes | 3.16 (0.2–48.99) | 0.411 | 1.16 (0.36–3.72) | 0.806 | Yes | 0.93 (0.27–3.28) | 0.915 | 1.40 (0.52–3.74) | 0.508 |
| Yellow fever vaccinated | Yellow fever vaccinated | ||||||||
| No | Reference | Reference | No | Reference | Reference | ||||
| Yes | 0.61 (0.09–3.91) | 0.599 | 1.05 (0.42–2.60) | 0.924 | Yes | 0.81 (0.13–5.13) | 0.819 | 1.70 (0.34–8.57) | 0.519 |
| Don’t know | 1.45 (0.22–9.79) | 0.701 | 2.90 (1.11–7.60) | 0.030 | Don’t know | 1.21 (0.61–2.41) | 0.586 | 0.75 (0.37–1.53) | 0.427 |