Table 3.

Bivariate Relationships between Medication Possession Ratio (MPR) and Drug User, Diabetes Knowledge, and Diabetes Care Management Variables

	Median Medication Possession Ratios (standard errors)
Variables	Cohort of RAAS Inhibitor Users (N = 1,766)	Cohort of Statin Users (N = 1,139)
Drug user variables
RAAS inhibitors
Yes	—	0.77 (0.03)
No	—	0.77 (0.02)
Statins
Yes	0.85 (0.02)	—
No	0.90 (0.02)	—
Older oral antidiabetic drugs*
Yes	0.88 (0.02)	0.77 (0.01)
No	0.85 (0.02)	0.77 (0.01)
Newer oral antidiabetic drugs†
Yes	0.88 (0.03)	0.79 (0.02)
No	0.88 (0.02)	0.77 (0.01)
Insulin
Yes	0.90 (0.06)	0.81 (0.03)
No	0.88 (0.01)	0.77 (0.01)
Diabetes knowledge
Good	0.88 (0.02)	0.77 (0.01)
Some	0.88 (0.03)	0.74 (0.03)
Poor	0.82 (0.05)	0.77 (0.05)
Diabetes (DM) management
DM management class
Yes	0.90 (0.03)	0.79 (0.02)
No	0.87 (0.02)	0.76 (0.01)
Tests own blood sugar
Yes	0.88 (0.02)	0.79 (0.02)
No	0.85 (0.02)	0.74 (0.02)
Uses diet to control DM
Yes	0.90 (0.02)	0.79 (0.01)
No	0.81 (0.02)	0.74 (0.02)
Uses exercise to control DM
Yes	0.88 (0.02)	0.77 (0.02)
No	0.88 (0.02)	0.77 (0.02)
Takes daily aspirin
Yes	0.90 (0.03)	0.75 (0.02)
No	0.85 (0.02)	0.77 (0.02)
Checks for sores on feet
Yes	0.90 (0.02)	0.77 (0.01)
No	0.85 (0.02)	0.74 (0.02)

^*Includes metformin and sulfonylureas.

^†Includes thiazolidinediones, meglitinides, and α-glucosidase inhibitors.

RAAS, renin–angiotensin–aldosterone system.