Table 1.

Demographic data of the patient and control groups

	Study I						Study II
	Alcoholic patients	Controls	Wilk’s λ	P	η.2	Power	Alcoholic patients
	N = 45	N = 45					N = 73
Age (x ± sd)	40.56 ± 13.82	40.67 ± 13.80	0.95	0.133	0.051	0.322	46.41 ± 6.07
BMI (x ± sd)	23.93 ± 3.42	25.46 ± 4.01	0.92	0.092	0.083	0.391	24.62 ± 3.88
Alcohol units per day (x ± sd)	17.27 ± 8.90	1.00 +-	0.23	<0.001	0.775	1.00	13.90 ± 9.02
		0.00
Years of alcohol abuse (x ± sd)	8.97 ± 6.84						9.45 ± 6.41
Concentration of breath alcohol (‰)	0.94 ± 0.98						1.29 ± 1.14
N without any breath alcohol (%)	32.40						30.10
Days of in-patient treatment (x ± sd)	10.82 ± 3.01						10.68 ± 2.58
		Related samples Wilcoxon Rank test
Smoker %	94.1	22.2	P = 0.002				90.4
Vegetarian %	0.0	2.2	(n for controls is only 1)				0.0
Fish diet %
Never	14.7	16.7					12.5
≤ 2 times a week	67.6	66.7					80.6
< 2 times a week	17.6	16.7	P = 1.00				6.9