Cost-effectiveness of motivational intervention with significant others for patients with alcohol misuse AIMS: To estimate the incremental cost, cost-effectiveness, and benefit-cost ratio of incorporating a significant other (SO) into motivational intervention for alcohol misuse.
We obtained economic data from the one year with the intervention in full operation for patients in a recent randomized trial.
The underlying trial took place at a major urban hospital in the USA.
The trial randomized 406 (68.7% male) eligible hazardous drinkers (196 during the economic study) admitted to the emergency department or trauma unit.
The motivational interview condition consisted of one in-person session featuring personalized normative feedback. The significant other motivational interview condition comprised one joint session with the participant and SO in which the SO's perspective and support were elicited.
We ascertained activities across 445 representative time segments through work sampling (including staff idle time), calculated the incremental cost in per patient of incorporating an SO, expressed the results in 2014 U.S. dollars, incorporated quality and mortality effects from a closely related trial, and derived the cost per quality-adjusted life year (QALY) gained.
From a health system perspective, the incremental cost per patient of adding an SO was $341 [95% confidence interval (CI): $244 to $438]. The incremental cost per year per hazardous drinker averted was $3,623 (CI: $1,777 to $22,709), the cost per QALY gained $32,200 (CI: $15,800 to $201,700), and the benefit-cost ratio was 4.73 (95% CI: 0.75 to 9.66). If adding an SO into the intervention strategy were concentrated during the hours with highest risk or in the trauma unit, it would become even more cost-beneficial.
Using criteria established by the World Health Organization (cost-effectiveness below the country's GDP per capita), incorporating a significant other into a patient's motivational intervention for alcohol misuse is highly cost effective.
This research output has an Altmetric Attention Score of 9. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 06 November 2019.
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#5,550,722
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#71,988
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Outputs of similar age from Addiction
#41
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