Volume 10, Number 8—August 2004
Dispatch
Hantavirus Infection in Anajatuba, Maranhão, Brazil
Table 1
Unadjusted analysis of risk factors for hantavirus infection in Anajatuba, Maranhão State, Brazil, 2000
Variable | PRR (95% CI)a | |
---|---|---|
Male vs. female |
1.29 (0.77–2.17) |
|
Age |
||
18–40 y vs. <17 y |
4.90 (1.99–12.11) |
|
41–64 y vs. <17 y |
13.4 (5.80–30.9) |
|
>65 y vs. <17 y |
17.2 (6.62–44.5) |
|
Living with a companion versus living alone |
3.62 (2.22–5.93) |
|
Being illiterate |
3.33 (1.97–5.62) |
|
Being a farm worker |
3.65 (1.90–7.00) |
|
Being a housewife |
1.83 (1.10–3.03) |
|
Seeing rats in the wild |
5.94 (2.11–16.7) |
|
Being bitten by a rat |
3.19 (1.82–5.59) |
|
Being able to recognize wild rats |
3.18 (1.69–6.01) |
|
Using dead rats for fishing bait |
2.87 (1.20–6.85) |
|
Fishing |
2.61 (1.22–5.57) |
|
Sweeping the home |
2.36 (1.04–5.32) |
|
Killing a rat in the field |
2.02 (1.22–3.35) |
|
Killing a rat at home |
1.99 (1.14–3.47) |
|
Seeing rats at home |
1.55 (0.76–3.17) |
|
Bathing in streams |
1.55 (0.98–2.46) |
|
Seeing rat feces inside the home |
1.28 (0.78–2.10) |
|
Storing grains inside the home | 1.08 (0.53–2.20) |
aPRR, prevalence rate ratio; CI, confidence interval.