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Wearable smartband detects smoking and delivers mindfulness

23 Jul 2024 10:59 AM | Anonymous member (Administrator)

Most cigarette smokers want to quit, but only 7% succeed in any given year. While smoking cessation interventions can be helpful for some, most people attempt to quit without professional assistance. The widespread use of smartphones and the growing popularity of wearable smart bands and watches suggests new mediums for supporting targeted smoking cessation efforts.

Horvath et al. [Annals of Medicine] conducted an uncontrolled study to investigate the feasibility of a wearable smartband designed to  detect smoking episodes and subsequently deliver a brief mindfulness session. The aim of the technology was to improve the timeliness of the intervention content in relation to smoking occurrences. 

The researchers recruited a sample of 155 adult smokers who owned smartphones (average age = 46 years; 54% female; 76% white) and wanted to quit smoking in response to posted Facebook ads. Participants were given a wearable smartband that paired with their personal smartphones. The bands used accelerometer and gyroscopic sensors to identify hand-to-mouth movements correlated with cigarette smoking behavior. 

When smoking movement was detected, the band vibrated and sent a message via smartphone prompting participants to confirm or deny they were smoking. Participants were instructed to wear the band on the hand they used for smoking 12 hours a day for 60 consecutive days. Participants could smoke as much or as little as they liked but set the 30th day of smart band wear as their intended “quit day.” 

At 21 days, participants completed a survey and a brief online mindfulness training. From day 21 to 28, whenever their band detected smoking, they were sent a two-minute audio “mindful smoking” exercise. On the 28th day, participants completed another survey and viewed a brief online training on using RAIN (Recognize, Allow, Investigate, Non-identification) to manage cravings.

From day 28 onwards, the smartphone delivered a two-minute audio-guided RAIN exercise when the band detected smoking. The completion of mindfulness exercises was time-stamped, and real-time data was gathered on cravings, mood, and the exercises’ helpfulness. At 60 days, participants completed another online survey.

The primary outcomes measured were the smartband’s accuracy to detect smoking, protocol adherence, and protocol acceptability. The secondary outcomes related to smoking included cigarette dependence, withdrawal symptoms,  and abstinence.

The results showed that the band detected smoking with 90% accuracy. Twenty-six percent of the participants did not complete study enrollment, never succeeded in paring the band with their phones, or never tried wearing the bands. Among the 115 participants who wore the band at least once, bands were worn on 70% of the treatment days and for at least 12 hours a day on 41% of those days.

The part of the sample that wore the band at least once completed 40% of the mindful smoking exercises and 86% of the RAIN exercises. Eighty-two percent of the participants who wore the bands at least once completed their surveys at all data points.

While participants found the mindful smoking and RAIN exercises helpful (79% and 75%, respectively) only a small majority liked them (58% and 52%, respectively). On average, participants reduced their  smoking by 9 cigarettes per day, and 12% reported achieving one-week point prevalence abstinence. 

The study suggests that a smartband can reliably detect smoking episodes and deliver subsequent prompting for interventions. While study retention was good, adherence and acceptability were variable in the sample of smokers. Some participants reported difficulty keeping the band paired with their phones, and some felt they received an excessive number of daily intervention prompts.


Reference:

Horvath, M., Pittman, B., O’Malley, S. S., Grutman, A., Khan, N., Gueorguieva, R., Brewer, J. A., & Garrison, K. A. (2024). Smartband-based smoking detection and real-time brief mindfulness intervention: Findings from a feasibility clinical trial. Annals of Medicine. 

Link to study

American Mindfulness Research Association, LLC. 

2271 Lake Avenue #6101 Altadena, CA 91001

Contact: info@AMRA.org

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