. 2015 May 26;10(5):e0126746. doi: 10.1371/journal.pone.0126746

Table 3. Regression parameters from unweighted linear regression models to predict HbA1c levels in Korean adults without diabetes (n = 10,241).

	Coefficient (95% CI)	P
Age (year)	0.006 (0.006–0.0067)	<0.001
Women	0.060 (0.039–0.081)	<0.001
Current smoking (10cm increase)	0.021 (0.003–0.039)	0.019
Heavy alcohol drinking	-0.111 (-0.138- -0.084)	<0.001
College graduation	-0.018 (-0.032- -0.003)	0.019
Waist circumference	0.005 (0.004–0.005)	<0.001
Fasting plasma glucose (mmol/l)	0.283 (0.270–0296)	<0.001
Hematocrit (%)	-0.001 (-0.004–0.001)	0.176
R²	0.2