Effect of diabetes mellitus on the correlation of leukocyte telomere lengths (LTLs, arbitrary scale) and modifying factors. LTLs of males and females (A), non-disabled and disabled groups (B), no ADL and ADL groups (C), groups with and without one or two ApoE4 alleles (D), cancer and no cancer groups (E), and CVD and no CVD groups (F) were compared in all cases, diabetic cases, and non diabetic cases. P-values are unadjusted.