Table 1. Reliability assessment for alcohol intake in the test–retest study.

Alcohol intake (ml per day)	First interview Mean (s.d.)	Second interview Mean (s.d.)	Pearson correlation	Intraclass correlation
Beer	0.15 (0.49)	0.23 (0.81)	0.98	0.87
Wine	0.06 (0.21)	0.11 (0.56)	0.76	0.51
Liquor	0.03 (0.11)	0.02 (0.08)	0.71	0.67