Table 4.

Regression model predicting daily insulin units.

Predictor	Coefficient	95% Confidence Interval	P value
Hispanic*	-10.5	-20.6, -0.46	0.04
African American*	-17.8	-31.4, -4.3	0.01
BMI† (kg/m2)	3.4	2.7, 4.2	< 0.001
Baseline A1c‡ (%)	3.0	0.50, 5.5	0.02
Age (years)	-0.36	-0.81, .094	0.12
Metformin	-9.1	-20.1, 1.9	0.10
Other OHM§	-32.0	-42.4, -21.5	< 0.001
Constant	-30.6	-80.7, 19.5	0.23

Number of observations = 327, R² = 0.336 (P < 0.0001)

* Effect in reference to non-Hispanic whites

† Body Mass Index

‡ Hemoglobin A1C

§Oral hypoglycemic medication