Table 1.
Demographic and clinical characteristics of study subjects (n=323). Engenho do Meio, Recife, northeastern Brazil, 2005
| Variables | n | % |
|---|---|---|
| Individual characteristics | ||
| Age group (years) | ||
| 5–14 | 109 | 33·6 |
| 15–49 | 168 | 51·9 |
| ⩾50 | 47 | 14·5 |
| Sex | ||
| Male | 136 | 42·0 |
| Female | 188 | 58·0 |
| Schooling levels (age ⩾15 years) | ||
| Illiterate | 9 | 4·2 |
| Basic | 65 | 30·4 |
| Secondary | 118 | 55·1 |
| University | 22 | 10·3 |
| Clinical characteristics | ||
| Self-reported dengue* | 125 | 39·1 |
| Healthcare seeking† | 56 | 45·2 |
| Anti-dengue serotype-specific antibodies | ||
| DENV-1 | 6 | 1·9 |
| DENV-2 | 3 | 0·9 |
| DENV-3 | 115 | 35·6 |
| DENV-1/DENV-2 | 13 | 4·0 |
| DENV-1/DENV-3 | 98 | 30·3 |
| DENV-2/DENV-3 | 31 | 9·6 |
| DENV-1/DENV-2/DENV-3 | 57 | 17·7 |
*
Previous dengue infection reported by the subject during the interview (four participants had missing information).
†
Participants who reported seeking medical assistance in the acute phase of the disease (one participant was missing information).