Table 2. Multiple linear regression analyses for hemoglobin A1c.

Independent variable	Men		Women		All*
	β†	P	β†	P	β†	P
Intercept	4.948	<0.001	5.049	<0.001	4.937	<0.001
Age	0.003	<0.001	0.005	<0.001	0.004	<0.001
Fasting glucose (mg/dL)	0.012	<0.001	0.012	<0.001	0.012	<0.001
Hemoglobin (g/dL)	−0.04	<0.001	−0.053	<0.001	−0.044	<0.001
Sex (men/women)	–	–	–	–	0.068	<0.001

*A total of 19% of the variance of hemoglobin A1c (HbA1c) was explained by the variables in the model (total R² = 0.187). †The regression coefficient B reflects the estimated difference in HbA1c level as a result of one unit increase in the independent variable.