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