Table 4.

Correlations between intervention questionnaires and assessment questionnaires.

Measures		WACa 30Db	WAC 90D	DACc 30D	DAC 90D	TFBd T1e	TFB TOTf	BDDg T1	BDD TOT
WAC 30D
	nh	200	168	189	170	200	200	175	169
	r	1	0.69	0.31	0.16	0.14	0.24	0.01	–0.04
	P value	<.001	<.001	<.001	.66	.73	.02	>.99	>.99
WAC 90D
	n	168	169	165	165	165	169	163	159
	r	0.69	1	0.35	0.34	0.31	0.39	0.23	0.18
	P value	<.001	<.001	<.001	<.001	.001	<.001	.06	.48
DAC 30D
	n	189	165	191	169	191	191	170	164
	r	0.31	0.35	1	0.24	0.04	–0.02	0.08	0.01
	P value	<.001	<.001	<.001	.03	>.99	>.99	>.99	>.99
DAC 90D
	n	170	165	169	173	173	173	165	161
	r	0.16	0.34	0.24i	1	0.34	0.36	0.58	0.51
	P value	.66	<.001	.03	<.001	<.001	<.001	<.001	<.001
TFB T1
	n	200	165	191	173	306	306	204	189
	r	0.14	0.31	0.04	0.34	1	0.84	0.42	0.37
	P value	.73	.001	>.99	<.001	<.001	<.001	<.001	<.001
TFB TOT
	n	200	169	191	173	306	306	204	187
	r	0.24	0.39	–0.02	0.36	0.84	1	0.33	0.58
	P value	.02	<.001	>.99	<.001	<.001	<.001	<.001	<.001
BDD T1
	n	175	163	170	165	204	204	204	189
	r	0.01	0.23	0.08	0.58	0.42	0.33	1	0.68
	P value	>.99	.06	>.99	<.001	<.001	<.001	<.001	<.001
BDD TOT
	n	169	159	164	161	189	187	189	189
	r	–0.04	0.18	0.01	0.51	0.37	0.58	0.68	1
	P value	>.99	.48	>.99	<.001	<.001	<.001	<.001	<.001

^aWAC: weekly alcohol check.

^bD: time span from baseline in days.

^cDAC: daily alcohol check.

^dTFB: average daily alcohol consumption measured with the Timeline Followback approach.

^eT1: period from baseline to first post-assessment (90 days).

^fTOT: total usage period (180 days).

^gBDD: binge drinking day.

^hAssociated number of cases.

ⁱThe correlation was significant at a significance level of .05 (two-tailed).