Table 3.

Spearman’s Rho Correlation Coefficient Comparing EtG to PEth and Select Self-Report Measures.

	PEth	AUDIT	Average DDD – 1st trimester	Average DDD – previous 7 days	Self-reported alcohol consumption during pregnancy (no/yes)
r	0.560	0.358	0.315	0.354	0.337
p-value	<0.001	<0.001	<0.001	<0.001	<0.001
N	222	222	222	222	222

AUDIT: Alcohol Use Disorder Identification Test; DDD: drinks per drinking day; EtG: ethyl glucuronide; PEth: phosphatidylethanol