Figure 1From: Endotoxin as a determinant of asthma and wheeze among rural dwelling children and adolescents: A case–control study Geometric mean mattress endotoxin concentration and load (95% CI) by case–control status and age group *. * Statistical comparisons between cases and controls were completed within age group strata using general linear models with GEE to account for clustering within families; Endotoxin levels were log transformed prior to the analysis.Back to article page