Table 3. Prevalence and factors associated with RVF virus among persons aged 15–64 years, Kenya, 2007.
Variable | Total (N) | Total—Pos (n) | Total—Pos % (95% confidence interval) | Unadjusted odds ratio (95% confidence interval) | p_ value | Adjusted odds ratio (95% confidence interval) | M_p_value |
---|---|---|---|---|---|---|---|
Sex | |||||||
Male | 419 | 26 | 5.4 (2.4–8.5) | ref | |||
Female | 638 | 31 | 3.7 (2.2–5.3) | 0.67 (0.40–1.15) | 0.15 | ||
Age category (years) | |||||||
15–29 | 516 | 19 | 3.3 (1.6–5.1) | ref | 0.05 | ||
30–49 | 378 | 20 | 4.2 (1.1–7.4) | 1.28 (0.57–2.86) | 0.83 (0.32–2.11) | 0.69 | |
50–64 | 163 | 18 | 8.7 (3.1–14.2) | 2.76 (1.22–6.26) | 2.25 (0.90–5.62) | 0.08 | |
Education level | |||||||
No primary | 211 | 31 | 10.0 (3.5–16.4) | 4.69 (2.05–10.72) | < .01 | 0.92 (0.48–1.79) | 0.81 |
Incomplete primary | 283 | 7 | 3.4 (0.3–6.4) | 1.48 (0.52–4.20) | 0.97 (0.31–3.05) | 0.96 | |
Complete primary & secondary + | 563 | 19 | 2.3 (1.1–3.5) | ref | |||
Wealth Quintiles | |||||||
Lowest | 223 | 32 | 11.1 (5.3–16.9) | 7.81 (2.25–27.13) | < .01 | 4.22 (0.72–24.64) | 0.11 |
Second | 183 | 7 | 4.4 (0.0–8.9) | 2.87 (0.61–13.42) | 1.68 (0.23–12.34) | 0.61 | |
Middle | 184 | 6 | 2.7 (0.4–5.1) | 1.77 (0.44–7.11) | 1.18 (0.19–7.22) | 0.85 | |
Fourth | 181 | 5 | 2.2 (0.1–4.3) | 1.40 (0.32–6.06) | 0.93 (0.12–6.89) | 0.94 | |
Highest | 286 | 7 | 1.6 (0.0–3.3) | ref | |||
Province | |||||||
Nairobi | 151 | 2 | 0.9 (0.0–2.5) | 3.16 (0.23–43.67) | < .01 | 5.37 (0.27–105.41) | 0.27 |
Central | 144 | 6 | 4.0 (0.8–7.3) | 14.12 (1.61–124.05) | 20.03 (2.39–167.89) | 0.01 | |
Coast | 125 | 11 | 7.7 (0.5–14.8) | 28.08 (2.99–264.19) | 30.26 (3.13–292.15) | < .01 | |
Eastern | 107 | 3 | 3.0 (0.0–6.5) | 10.29 (0.99–107.04) | 10.75 (1.02–113.18) | 0.05 | |
North Eastern | 131 | 28 | 12.5 (0.5–24.5) | 48.10 (4.91–471.49) | 27.60 (2.70–282.50) | 0.01 | |
Nyanza | 151 | 4 | 3.4 (0.0–7.3) | 11.75 (1.14–120.90) | 11.68 (1.20–113.71) | 0.03 | |
Rift Valley | 112 | 1 | 0.3 (0.0–0.9) | ref | |||
Western | 136 | 2 | 0.9 (0.0–2.2) | 3.17 (0.28–36.12) | 2.72 (0.23–32.69) | 0.43 |
cut off point to include factors in multivariate is pvalue <0.1
p value is the global p value for the bivariate variable
M_OR_CI is the multivariate odds ratio
M_p_value is the category multivariate p value
Ref- reference
+—and above
N, n = number of persons