Fig. 2From: Per- and polyfluoroalkyl substances (PFAS) and immune system-related diseases: results from the Flemish Environment and Health Study (FLEHS) 2008–2014Forest plot of the odds ratios (ORs) of the asthma outcomes and eczema in relation to the measured PFAS in the different FLEHS studies (with FL2 FLEHS-2, FL3 FLEHS-3, ADO adolescents, ADU adults, MOTH mothers). The OR (95% confidence interval) is expressed for an interquartile increase in exposure. Confounders and covariates that were included at the start of the stepwise multiple regressions are mentioned in Additional file 1: Tables S2, S3, S4, S5 and S6Back to article page