Table 2.

Effects of Metformin Exposure on Frailty in Older Veterans With Diabetes.

Metformin exposure	Unadjusted Odds Ratios (95% CI)	p value	Adjusted Odds Ratios (95% CI)	p value
No metformin		1 (reference)
Metformin	.49 (.37–.65)	<.001	.55 (.39–.77)	.001

Note. Model was adjusted for age, race, ethnicity, and median household income, diabetes with end organ damage, duration of diabetes, use of insulin or sulfonylureas, level of glycemia control, Charlson Comorbidity Index, and for hospitalizations in the previous year. Significant associations are in bold (p < .05). CI = confidence interval.