Fig. 1From: Awareness and use of home remedies in Italy’s alps: a population-based cross-sectional telephone surveyModerating effect of age on the relation between language groups and home remedies use. At 30.1 + years of age (cf. vertical line), the association between being of German ethnicity and home remedies use is statistically significant. Gray lines give the 95% CI of the conditional effect (n = 481)Back to article page