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Table 2 Health complaints of individual participants and the association with exposure to pluvial floodwater

From: “Sickenin’ in the rain” – increased risk of gastrointestinal and respiratory infections after urban pluvial flooding in a population-based cross-sectional study in the Netherlands

  Without exposure
N = 550
With exposure
N = 608
OR aOR Children without exposure
N = 95
Children with exposure
N = 81
OR aOR Adults without exposure
N = 455
Adults with exposure
N = 527
OR aOR
N (%) N (%) (95% CI) (95% CI) N (%) N (%) (95% CI) (95% CI) N (%) N (%) (95% CI) (95% CI)
AGE 12 (2) 75 (12) 4.9 (2.5, 9.6) 4.2 a (2.1, 8.4) 0 (0) 12 (15) - - 12 (3) 63 (12) 4.2 (2.2, 8.2) 3.6 a (1.8, 7.3)
ARI 38 (7) 128 (21) 3.5 (2.2, 5.7) 3.3 b (2.0, 5.4) 10 (11) 14 (17) 1.6 (0.6, 4.0) - 28 (6) 114 (22) 4.1 (2.5, 6.7) 4.0 b (2.3, 6.8)
  1. Note: There were no children without contact with the floodwater, but with AGE, leading to a too small number of outcome events to perform the univariate analysis. Furthermore, there were not enough children to prevent the same from happening in the multivariate analyses for contact with the floodwater and ARI
  2. aAdjusted for age, sex, summer, having a chronic disorder or disease of the gastrointestinal tract, having reflux, having a food allergy or pregnancy with vomiting during the study period
  3. bAdjusted for age, sex, summer, having hay fever and having lung anomalies (e.g. asthma, chronic obstructive pulmonary disease - COPD, etc.)
  4. Factors with a p-value <0.05 are expressed in bold