Assessment of a personalized AI messaging intervention reduces alcohol intake in veterans, suggesting digital feasibility for behavior change.
Key Points
To assess the feasibility of personalized AI messaging for reducing alcohol consumption in UK Armed Forces veterans.
Participants used the DrinksRation mobile app over 12 weeks.
They received either personalized or generic behavior change messages.
Recruitment involved 2,871 veterans, with engagement assessed through app usage and message delivery.
Feasibility evaluated based on retention and message interaction statistics.
Personalized messaging led to greater initial engagement, with app usage peaking at 212.4 seconds.
Alcohol consumption reduced more in the personalized group, from 31.08 to 13.20 units per week, compared to 31.24 to 15.17 units.
Statistically significant differences in alcohol intake reduction were noted at multiple weeks favoring the personalized group, although differences decreased by Week 12.