Table 2.

Model including significant predictors of elevated HbA1c levels among patients without diagnosed diabetes

Variables in model	Odds ratio	95% Wald confidence limits
Female (vs. male as referent)	1.3	0.8–1.9
Age 46–65 yr, vs. <46 yr	2.5	1.1–5.4
Age >65 yr	3.5	1.7–7.4
Glucose >150 mg/dl	1.8	1.2–2.8
Charlson score	1.1	1.0–1.2

n = 555; c = 0.65 for model.