Table 1.

The conventional Pearson’s correlation coefficients and concordance correlation coefficients based on summary measures of alcohol use in the real data example by assessment schedules and recall windows.

Composite scores with three recall windows	Daily		Weekly
	Pearson’s r	CCC	Pearson’s r	CCC
Average number of drinks per day
Days 1 −30	0.2395	0.0624	0.4486	0.3598
Days 31 −60	0.2736	0.1279	0.4408	0.3022
Days 61 −90	0.2606	0.2125	0.1949	0.1466
Percentage of days involving drinking
Days 1 −30	0.4205	0.3280	0.7331	0.6884
Days 31 −60	0.4414	0.2878	0.5969	0.5351
Days 61 −90	0.3493	0.2859	0.6032	0.5518
Maximum number of drinks
Days 1 −30	0.2743	0.2261	0.3531	0.3487
Days 31 −60	0.1969	0.1605	0.2562	0.2274
Days 61 −90	0.1209	0.1156	0.2334	0.1741