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Smoothed plots showing adjusted prevalence of various health outcomes by endotoxin concentration for bedroom floor. Top left = adjusted prevalence of doctor diagnosed asthma; bottom left = adjusted prevalence of asthma medication use in the past 12 months; top right = adjusted prevalence of asthma symptoms in the past year; and bottom right = adjusted prevalence of wheeze in the past month. The span parameter for each model was 0.8.
