Table 2—

The risk for incidence of impaired fasting glucose or type 2 diabetes by alcohol intake

	Alcohol intake (g ethanol/day)						P value*
		0	0.1–22.9	23.0–45.9	46.0–68.9	≥69.0	P value*
Participants (n)	421	534	698	881	419
Cases (n)	63	67	66	107	67
Total person-years	2491	3251	4282	5386	2461
Rate per 1,000 person-years	25.3	20.6	15.4	19.9	27.2
Age-adjusted relative risk (95% CI)	1.58 (1.12–2.23)	1.34 (0.95–1.88)	1.00 (Referent)	1.27 (0.93–1.72)	1.71 (1.22–2.41)	0.001
Multivariate-adjusted relative risk (95% CI)†	1.51 (1.07–2.13)	1.31 (0.93–1.84)	1.00 (Referent)	1.18 (0.87–1.61)	1.43 (1.01–2.02)	0.016

*
↵* For quadratic trend.
†
↵† Adjusted for age, family history of diabetes, BMI, cigarette smoking, and regular physical activity at study entry.