The AC-OK Cooccurring Screen: Reliability, Convergent Validity, Sensitivity, and Specificity

Table 2

Descriptive statistics and item analysis for the 15-item AC-OK Co-occurring screen (𝑁=2,968).

Item	𝑀	SD	Corrected Item correlation	Alpha if Deleted
SA2	1.46	0.50	.79	.85
SA1	1.45	0.50	.76	.86
SA6	1.39	0.49	.76	.86
SA9	1.52	0.50	.76	.86
SA15	1.50	0.50	.76	.86
SA13	1.36	0.48	.39	.91
MH3	1.18	0.39	.55	.77
MH4	1.49	0.50	.53	.77
MH7	1.32	0.47	.53	.77
MH8	1.44	0.50	.52	.77
MH10	1.67	0.47	.45	.78
MH 11	1.30	0.46	.48	.77
MH12	1.36	0.48	.44	.78
MH14	1.61	0.49	.43	.78
MH5	1.46	0.50	.41	.78

Note: alphas for mental health = .922; substance abuse screen = .795.