Table 6.

Characteristics associated with arbovirus infections in febrile cases, Iquitos, Peru, 1993–1999

Characteristics	Dengue OR* (95% Cl)	VEE OR (95% Cl)	Oropouche OR (95% Cl)	Mayaro OR (95% Cl)
Gender (male)
Female	1.4 (1.2–1.6)§	0.6 (0.5–0.9)	0.8 (0.5–1.3)	1.0 (0.5–2.1)
Age groups (1–14) (in years)
15–29	1.4 (1.1–1.7)‡	0.9 (0.5–1.3)	1.0 (0.5–2.3)	2.6 (0.6–11.3)
30–44	1.6 (1.2–2.0)‡	0.7 (0.4–1.2)	1.2 (0.5–2.9)	1.4 (0.3–7.5)
> 44	1.7 (1.3–2.2)‡	1.4 (0.8–2.3)	2.4 (1.1–5.6)‡	3.7 (0.8–17.9)
Occupations (child/student)
Housekeeper	0.9 (0.7–1.2)	1.4 (0.7–2.7)	0.8 (0.3–2.0)	4.2 (0.8–20.9)
Agricultural workers	0.3 (0.2–0.5)	2.4 (1.2–4.5)§	0.7 (0.2–2.1)	4.5 (0.8–25.7)
Military personnel	0.3 (0.2–0.5)	0.7 (0.4–1.2)	0.4 (0.1–1.1)	1.1 (0.2–6.7)
Others†	1.0 (0.8–1.2)	1.1 (0.7–1.8)	0.8 (0.4–1.7)	2.9 (0.7–12.3)
Place of residence (out Iquitos city)
Iquitos city	2.7 (2.1–3.4)§	0.7 (0.5–1.1)	2.3 (0.9–5.4)	0.6 (0.3–1.3)

CI = confidence interval; VEE = Venezuelan equine encephalitis.

^*Odds ratio adjusted for gender and age in years. The categories in parenthesis describe the baseline group for odds ratio calculation.

^†Others (workers, merchants, employees, independents, teachers, retired, unemployed).

^‡P < 0.05.

^§P < 0.001.