Variable | Frequency (%) | 95% confidence intervals |
---|---|---|
Symptoms | ||
 Fever | 92 (97.9) | 92.6–99.4 |
 Pain | 83 (91.2) (n = 91) | 83.6–95.5 |
 Nausea and vomiting | 36 (38.3) | 29.1–48.4 |
 Anergia | 11 (11.7) | 6.7–19.8 |
 Confusion/convulsions | 6 (6.4) | 3.0–13.2 |
 Diarrhoea | 5 (5.3) | 2.3–11.9 |
Transmission | ||
 Mosquito | 80 (85.1) | 76.5–90.9 |
 Other | 3 (3.2) | 1.1–9.0 |
 Don’t know | 14 (14.9) | 9.1–23.5 |
High-risk groups | ||
 Pregnant | 86 (91.5) | 79.0–92.2 |
 Infants | 77 (81.9) | 67.8–84.2 |
 Children | 73 (77.7) | 64.6–81.6 |
 Elderly | 57 (60.6) | 47.2–66.3 |