Table 4.

Percent positive and negative by various measures and cutoffs.

	Yes		No
	N	%	N	%
Biomarkers
PEth ≥ 2 ng/ml	156	70.3	66	29.7
PEth ≥ 4 ng/ml	142	64.0	80	36.0
PEth ≥ 8 ng/ml	124	55.9	98	44.1
PEth ≥ 14 ng/ml	116	52.3	106	47.7
PEth ≥ 20 ng/ml	105	47.3	117	52.7
EtG ≥ 8 pg/mg	79	35.6	143	64.4
Self-report measures
AUDIT score of 1 or more	167	75.2	55	24.8
AUDIT score of 5 or more	154	69.4	68	30.6
AUDIT score of 8 or more	139	62.6	83	37.4
Binary self-report (yes/no)	145	65.3	77	34.7