Table 2. Prevalence and factors associated with dengue 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 | 430 | 57 | 12.3 (8.0–16.5) | REF | |||
Female | 661 | 86 | 12.6 (7.9–17.4) | 1.03 (0.65–1.64) | 0.89 | ||
Age category (years) | |||||||
15–29 | 529 | 44 | 8.7 (4.1–13.2) | REF | 0.06 | ||
30–49 | 395 | 62 | 13.3 (9.3–17.4) | 1.62 (0.84–3.12) | 1.51 (0.74–3.10) | 0.26 | |
50–64 | 167 | 37 | 23.9 (9.4–38.3) | 3.3 (1.22–8.9) | 3.06 (0.99–9.52) | 0.05 | |
Education level | |||||||
No primary | 223 | 55 | 25.8 (16.4–35.2) | 3.44 (1.47–8.06) | < .01 | 1.20 (0.43–3.38) | 0.73 |
Incomplete primary | 295 | 26 | 6.5 (3.8–9.2) | 0.69 (0.34–1.4) | 0.54 (0.22–1.35) | 0.19 | |
Complete primary & secondary + | 573 | 62 | 9.2 (4.5–13.8) | REF | |||
Wealth Quintiles | |||||||
Lowest | 234 | 44 | 18.4 (11.2–25.7) | 1.87 (0.82–4.25) | 0.04 | 0.50 (0.20–1.26) | 0.14 |
Second | 189 | 17 | 11.6 (4.0–19.2) | 1.08 (0.41–2.89) | 0.46 (0.16–1.34) | 0.16 | |
Middle | 188 | 21 | 9.4 (4.9–14.0) | 0.86 (0.36–2.06) | 0.44 (0.16–1.22) | 0.11 | |
Fourth | 186 | 26 | 11.5 (6.3–16.7) | 1.07 (0.48–2.41) | 0.72 (0.24–2.15) | 0.56 | |
Highest | 294 | 35 | 10.8 (4.2–17.4) | REF | |||
Province | |||||||
Nairobi | 153 | 8 | 3.5 (0.5–6.4) | 0.11 (0.04–0.29) | < .01 | 0.07 (0.01–0.37) | < .01 |
Central | 150 | 4 | 2.5 (0.0–5.2) | 0.08 (0.03–0.24) | 0.06 (0.02–0.25) | < .01 | |
Coast | 129 | 78 | 60.6 (51.2–70.1) | 4.66 (2.68–8.13) | 4.92 (2.19–11.04) | < .01 | |
Eastern | 112 | 6 | 3.2 (0.3–6.1) | 0.1 (0.04–0.28) | 0.11 (0.03–0.37) | < .01 | |
North Eastern | 140 | 32 | 24.8 (17.5–32.1) | REF | |||
Nyanza | 154 | 5 | 2.7 (0.3–5.0) | 0.08 (0.03–0.22) | 0.10 (0.03–0.33) | < .01 | |
Rift Valley | 117 | 5 | 9.6 (0.0–22.0) | 0.32 (0.07–1.41) | 0.29 (0.10–0.80) | 0.02 | |
Western | 136 | 5 | 2.4 (0.0–4.8) | 0.07 (0.02–0.23) | 0.10 (0.03–0.33) | < .01 |
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