Table 2.

Association of socioeconomic parameters and EtG measures. Count, percentage, and P value of nonparametric test are shown.

Patient characteristic	Total	EtG measurement <120 ng/g	EtG measurement ≥120 ng/g	P value
Age
<20	3	66.7%	33.3%
20–30	128	90.6%	9.4%
30–40	382	90.1%	9.9%
40+	32	90.6%	9.4%
Total	545			0.92
Education
No university-entrance diploma	245	91.8%	8.2%
University-entrance diploma	296	88.5%	11.5%
Total	541			0.25
Marital status
Not married	110	84.5%	15.5%
Married	434	91.5%	8.5%
Total	544			0.05
Income
<500€	1	0.0%	0.0%
500–1000€	19	100.0%	0.0%
1000–2000€	59	89.8%	10.2%
2000–3000€	122	85.2%	14.8%
3000–4000€	94	94.7%	5.3%
4000–5000€	56	89.3%	10.7%
>5000€	48	93.8%	6.3%
Total	399			0.32
Smoking
No	503	90.1%	9.9%
Yes	40	90.0%	10.0%
Total	543			1.00
EPDS
No depression	428	90.0%	10.0%
Slight depression	37	89.2%	10.8%
Moderate-to-strong depression	36	91.7%	8.3%
Total	501			0.88
HAMD
No depression	466	91.8%	8.2%
Slight-to-moderate depression	56	91.1%	8.9%
Strong depression	11	90.9%	9.1%
Total	533			0.77