Table 3 Analysis of recent dengue virus infection among study population by selected characteristics
| Â | Univariate analysis | Multivariate analysis | ||||||
|---|---|---|---|---|---|---|---|---|
Characteristics | No. positive/No. tested | (%) | Odds ratio | 95% CI | P value | Adjusted OR | 95% CI | P value |
Gender | ||||||||
Male | 29/586 | (5.0) | 1.00 | Referent | - | 1.00 | Referent | - |
Female | 66/805 | (8.2) | 1.72 | (1.09,2.69) | 0.0188 | 1.21 | (0.74,1.99) | 0.4463 |
Age group (y) | Â | Â | Â | Â | <.0001 | Â | Â | 0.0012 |
20–34 | 8/510 | (1.6) | 1.00 | Referent | - | 1.00 | Referent | - |
35–49 | 13/344 | (3.8) | 2.46 | (1.01,6.01) | 0.0474 | 1.49 | (0.56,3.95) | 0.4209 |
50–64 | 41/330 | (12.4) | 8.90 | (4.12,19.25) | <.0001 | 3.40 | (1.33,8.72) | 0.0108 |
≥65 | 33/207 | (15.9) | 11.90 | (5.39,26.26) | <.0001 | 5.16 | (1.95,13.64) | 0.0009 |
Place | Â | Â | Â | Â | <.0001 | Â | Â | <.0001 |
West Central District | 51/226 | (22.6) | 18.65 | (7.31,47.59) | <.0001 | 5.92 | (1.94,18.06) | 0.0018 |
North District | 13/175 | (7.4) | 5.14 | (1.80,14.66) | 0.0022 | 1.81 | (0.53,6.11) | 0.3416 |
East District | 24/363 | (6.6) | 4.53 | (0.08,2.22) | 0.0024 | 1.53 | (0.47,4.93) | 0.4772 |
Factory in Yongkang | 2/302 | (0.7) | 0.43 | (1.71,12.02) | 0.3109 | 0.40 | (0.08,2.13) | 0.2844 |
Factory in Annan | 5/325 | (1.5) | 1.00 | Referent | - | 1.00 | Referent | - |
Family diagnosed with dengue in 2015 | ||||||||
No | 71/1289 | (5.5) | 1.00 | Referent | - | 1.00 | Referent | - |
Yes | 24/102 | (23.5) | 5.28 | (3.15,8.85) | <.0001 | 3.20 | (1.79,5.71) | <.0001 |