From: Health-related quality of life (EQ-5D + C) among people living in artisanal and small-scale gold mining areas in Zimbabwe: a cross-sectional study
MSS 0–2
MSS 3–4
MSS 5–10
HBM combined
Mercury in both specimens below HBM I
–
Mercury at least in one specimen between HBM I and HBM II
+
Mercury at least in one specimen above HBM II