Table 1.

Design decisions and rationale.

Decision	Rationale
Enrollment of self-identified Latino ED patients	Address alcohol-related health disparities in a highly vulnerable group in a ED-SBIRT context
Bilingual (English and Spanish) ED-SBIRT	Address known major language barrier limitation in ED-SBIRT
Prescreen [Health Screen]	Ensure enrollment of consistent above low-risk limit drinkers
5 baseline assessments	Capture alcohol use quantity and frequency, severity of AUD, negative and injury-related outcomes, type and amount of treatment services received
Randomization	Facilitate testing efficacy of AB-CASI intervention
Stratification [dependence and language]	Explore treatment modification
1-mo, 6-mo, 12-mo follow-up assessment	Longitudinal assessment testing efficacy in outcomes of interest