GSTM1 and anemia (phenotype): Furthermore, although participants with TUG test results had increased rates of diabetes mellitus, dyslipidemia, and depressive mood (data not shown), compared with participants of the same age who did not have TUG test results, there were no evident differences in Hb concentration or rate of anemia between these two groups (13.7 g/dL vs. 13.7 g/dL, and 12.5% vs. 11.2%, respectively).