Table 2.

Internal consistency and 1-year stability of WISDM-68 and Brief WISDM subscales

	Cronbach’s alpha at baseline (internal consistency)						One-year stability (correlationsa)
	WBHS (N = 366)		Bupropion–Gum study (N = 608)		Break-Free Study (N = 393)		WBHS (N = 218)
WISDM subscale	WISDM-68	Brief WISDM	WISDM-68	Brief WISDM	WISDM-68	Brief WISDM	WISDM-68	Brief WISDM
Affiliative Attachment	.93	.90	.88	.83	.91	.86	.78	.72
Automaticity	.91	.92	.90	.90	.86	.89	.69	.66
Loss of Control	.87	.87	.77	.77	.82	.82	.73	.73
Behavioral Choice/Melioration	.88	N/A	.83	–	.88	–	.78	–
Cognitive Enhancement	.94	.92	.92	.89	.91	.88	.70	.67
Craving	.85	.85	.80	.80	.86	.86	.73	.73
Cue Exposure/Associative Processes	.81	.69	.81	.68	.82	.72	.65	.63
Negative Reinforcement	.89	–	.86	–	.89	–	.72	–
Positive Reinforcement	.85	–	.85	–	.88	–	.72	–
Affective Enhancement	–	.76	–	.77	–	.78	–	.69
Social/Environmental Goads	.94	.93	.94	.94	.92	.91	.66	.66
Taste	.88	.88	.88	.87	.91	.91	.69	.61
Tolerance	.85	.85	.72	.73	.80	.79	.81	.81
Weight Control	.94	.90	.89	.88	.82	.84	.68	.64
WISDM total scoreb	.91	.87	.89	.84	.94	.91	.77	.76
Primary Dependence Motives scalec	.89	.88	.82	.81	.90	.89	.79	.79
Secondary Dependence Motives scaled	.86	.76	.86	.76	.92	.86	.75	.72

Note. N/A = not applicable.

^aAll stability correlations are statistically significant, p < .001.

^bWISDM total score = mean of 13 WISDM subscale scores.

^cPrimary Dependence Motives scale = mean of Automaticity, Loss of Control, Craving, and Tolerance.

^dSecondary Dependence Motives scale = mean of Affiliative Attachment, Behavioral Choice/Melioration, Cognitive Enhancement, Cue Exposure/Associative Processes, Affective Enhancement, Social/Environmental Goads, Taste, and Weight Control.