Table 1.

Sociodemographic and drinking characteristics of participants at baseline.

Baseline characteristic	Controls		AUD		P
	N	Mean ± SD	N	Mean ± SD
Age	389	36.83 ± 12.9	497	43.55 ± 11.6	<0.001
Sex (Male: Female)a	193:196	-	347:150	-	<0.001
Years of education	379	15.75 ± 3.6	487	13.78 ± 2.8	<0.001
AUDIT	381	3.26 ± 3.5	300b	23.73 ± 9.2	<0.001
TLFB total drinks	384	50.14 ± 121.4	480	876.96 ± 713.2	<0.001
TLFB drink days	384	16.91 ± 20.8	480	68.29 ± 23.6	<0.001
TLFB average drinks per day	384	1.92 ± 1.8	480	12.34 ± 7.9	<0.001
TLFB heavy drink days	384	3.26 ± 10.4	480	60.09 ± 28.9	<0.001
ADS score	375	1.23 ± 2.2	480	18.37 ± 9.0	<0.001
Pack years	381	0.74 ± 4.3	486	7.78 ± 11.7	<0.001

Diagnosis based on The Diagnostic and Statistical Manual of Mental Disorders (4th/5th ed.).

AUD, Alcohol Use Disorder; AUDIT, Alcohol Use Disorders Identification Test; TLFB, Timeline Followback; ADS, Alcohol Dependence Scale.

^a Chi-squared test.

^bA subset of AUD cases did not complete the AUDIT as part of their assessment, resulting in a lower N for this measure.