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Table 6 Bivariate analysis of associations with recent dengue infection (doubling of IgG levels) among 6326 children aged 3–9 years

From: Dengue occurrence relations and serology: cross-sectional analysis of results from the Guerrero State, Mexico, baseline for a cluster-randomised controlled trial of community mobilisation for dengue prevention

Variable Level With doubling of IgG Without doubling of IgG OR 95%CIca
Number Percent Number Percent
Age 3–4 years 318 19.4 1636 80.6 1.26 1.10–1.43
5–9 years 756 16.1 4690 83.9
Sex Male 568 17.6 3219 82.4 1.10 0.96–1.26
Female 515 16.3 3161 83.7
Area of residence Urban 451 18.5 2442 81.5 1.19 1.02–1.38
Rural 632 16.0 3940 84.0
Region Acapulco 387 19.4 1994 80.6 1.28 1.10–1.49
Costa Grande & Costa Chica 696 15.9 4388 84.1
Household use Business/Home-business 51 21.1 242 78.9 1.32 0.99–1.78
Home 1027 16.8 6123 83.2
Type of dwelling Permanent 401 17.2 2332 82.8 1.03 0.91–1.17
Semi-permanent/ temporary 672 16.8 4011 83.2
Temephos placed in water within last 3 m Yes 602 17.5 2847 82.5 1.07 0.93–1.22
No 458 16.5 2313 83.9
Use of anti-mosquito products Yes 500 18.1 2766 81.9 1.15 1.00–1.33
No 579 16.1 3595 83.9
Education ≥ 6 years of schooling 672 16.8 4010 83.2 0.96 0.84–1.08
<6 years or no schooling 405 17.4 2327 82.6
Working head of household Yes 937 16.8 5563 83.2 0.96 0.77–1.19
No 130 17.4 745 82.6
People in household <5 persons 267 16.9 1581 83.1 0.99 0.88–1.12
≥5 persons 816 17.0 4801 83.0
Larvae-positive containers Yes 154 16.8 916 83.2 0.99 0.85–1.15
No 929 17.0 5466 83.0
Pupae-positive containers Yes 89 17.1 521 82.9 1.01 0.80–1.27
No 994 17.0 5861 83.0
Larvae- and pupae-positive containers Yes 159 17.1 931 82.9 1.01 0.86–1.18
No 924 17.0 5451 83.0
  1. OR Odds ratio, 95%CIca cluster adjusted 95% confidence interval
  2. Figures in bold font indicate an associastion significant at the 5% level