Table 3.

Three-way analysis of variance

Origin	Type III sum of squares	df	Mean square	F	p-value
Correct model	6.833a	7	0.976	4.915	0.000
Intercept	36.451	1	36.451	183.549	0.000
Age	1.317	1	1.317	6.632	0.012
Diagnosis	0.048	1	0.048	1.242	0.624
VAScrav	0.838	2	0.419	2.110	0.127
Age × diagnosis	0.305	1	0.305	1.536	0.218
Age × VAScrav	0.000	0
Diagnosis × VAScrav	0.387	2	0.193	0.974	0.381
Age × diagnosis × VAScrav	0.000	0	0.193	0.974	0.381
Error	18.667	94	0.199
Total	255.000	102
Adjusted total	25.500	101

Notes:

^aR²=0.268 (adjusted =0.213). Significant results are represented in bold characters.

Abbreviations: df, degrees of freedom; VAScrav, visual analog scale for substance craving.