Table 1 Characteristics of the participants of two population-based dengue serosurveys, Central Brazil, 2001–2002
From: Spatial point analysis based on dengue surveys at household level in central Brazil
Characteristics | 2001 Survey (n = 1,586) | 2002 Survey (n = 2,906) | ||
|---|---|---|---|---|
No | % | No | % | |
Gender: | ||||
Female | 1,066 | 67.2 | 1,967 | 67.7 |
Male | 520 | 32.8 | 939 | 32.3 |
Age (years): | ||||
5–14 | 63 | 4.0 | 133 | 4.6 |
15–49 | 1,084 | 68.3 | 1,969 | 67.8 |
≥ 50 | 438 | 27.6 | 794 | 27.3 |
Unknown | 1 | 0.1 | 10 | 0.3 |
Educational Level | ||||
Illiterate | 99 | 6.2 | 182 | 6.3 |
Elementary school | 920 | 58.0 | 1,643 | 56.5 |
High school | 423 | 26.7 | 793 | 27.3 |
College | 133 | 8.4 | 268 | 9.2 |
Unknown | 11 | 0.7 | 20 | 0.7 |
Yellow fever vaccination history | ||||
Yes | 1,451 | 91.5 | 2,706 | 93.1 |
No | 89 | 5.6 | 126 | 4.3 |
Unknown | 46 | 2.9 | 74 | 2.5 |
Seropositives* | 506 | 29.5† | 1,144 | 37.3† |