Table 3.
Comparison of symptoms in DENV-infected and non-infected contacts with fever history by univariate analysis (odds ratio) and binary logistic regression (adjusted odds ratio), Thailand*
| Symptom | DENV-infected with fever history (%), n = 83 | Non-DENV infected with fever history (%), n = 455 | Odds ratio (95% CI) | Adjusted odds ratio (95% CI) | P for adjusted odds ratio |
|---|---|---|---|---|---|
| Temperature ≥ 38°C | 29 (34.9) | 165 (36.3) | 0.9 (0.6–1.5) | – | NS |
| Headache | 50 (60.2) | 159 (34.9) | 2.9 (1.8–4.6) | 2.1 (1.3–3.5) | 0.004 |
| Anorexia | 20 (24.1) | 52 (11.4) | 2.5 (1.4–4.4) | – | NS |
| Nausea/vomiting | 26 (31.3) | 65 (14.3) | 2.7 (1.6–4.7) | – | NS |
| Muscle/joint pain | 13 (15.7) | 18 (4.0) | 4.5 (2.1–9.6) | 2.8 (1.2–6.5) | 0.01 |
| Rash | 13 (15.7) | 8 (1.8) | 10.4 (4.2–25.9) | 7.6 (3.0–19.8) | < 0.001 |
| Rhinorrhea | 40 (48.2) | 239 (52.5) | 0.8 (0.5–1.3) | – | NS |
| Cough | 44 (53.0) | 232 (51.0) | 1.1 (0.7–1.7) | – | NS |
| Drowsiness | 9 (10.8) | 25 (5.5) | 2.1 (0.9–4.7) | – | NS |
| Abdominal pain | 17 (20.5) | 42 (9.2) | 2.5 (1.4–4.7) | – | NS |
| Diarrhea | 5 (6.0) | 25 (5.5) | 1.1 (0.4–3.0) | – | NS |
| Bleeding (any site) | 6 (7.2) | 10 (2.2) | 3.5 (1.2–9.8) | – | NS |
*
DENV = dengue virus; CI = confidence interval; NS = not significant.