Research Article
Effectiveness of Space Spraying on the Transmission of Dengue/Dengue Hemorrhagic Fever (DF/DHF) in an Urban Area of Southern Thailand
Table 5
Univariate analysis of factors affecting incidence of secondary DF/DHF.
| Variable | IDR | 95% CI | value |
| Male gender | 2.21 | 0.88–5.54 | 0.08 | Age of index case (years) | 0.90 | 0.80–1.00 | 0.04 | House type: ref. = single house | | | | Terraced | 1.90 | 0.50–6.60 | 0.3 | Slum house | 2.30 | 0.50–11.4 | 0.3 | House material: ref. = concrete | | | | Mixed concrete and wood | 2.37 | 0.83–6.77 | 0.1 | Wood | 1.81 | 0.47–7.00 | 0.39 | Corrugate iron sheet | 5.04 | 1.30–19.5 | 0.02 | Window screen (no versus yes) | 4.10 | 1.20–14.1 | 0.01 | Pipe water: ref. = continuous flowing | | | | None | 1.40 | 0.40–4.70 | 0.62 | Noncontinuous flowing | 1.00 | 0.20–4.20 | 0.97 | Garbage pile near the house | 1.60 | 0.40–7.10 | 0.53 | House index | 1.01 | 0.99–1.03 | 0.11 | Container index | 1.00 | 0.99–1.03 | 0.42 | Time lag of spraying (hours) | 0.99 | 1.00-1.01 | 0.51 | Area of spraying (m2) | 1.00 | 1.00-1.00 | 0.45 |
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