Table 3. Multiple stepwise linear regression analysis showing variables independently associated with DI.

Independent variables	Standardized β	t	P value
CPI 1h	0.652	9.347	<0.001
CPI 2h	0.162	2.340	0.02
HbA1c	-0.299	-4.614	<0.001
TG	-0.147	-2.732	<0.001

The analysis also included age, gender, CPI 0h, CPI 1/2h, CPI 3h, CHO, LDL, HDL, BMI which were all excluded in the final model.