Figure 2. Effects of BMI, waist circumference and body fat on HOMA_IR in European and Mapuche participants.

Bars show mean ± SEM for all groups. p _{(interaction)} describes the ‘tertile x environment’ interaction for HOMA_IR after adjustment for potential confounding covariates (tertile cut-points shown in Table S2, see text or Table S3 for list of covariates).