Cited by 44Mobile Health and mHealth ApplicationsDiabetes Management and EducationDigital Mental Health Interventions

Weight loss in a digital app-based diabetes prevention program powered by artificial intelligence.

Open access
Graham, Sarah A., Pitter, Viveka, Hori, Jonathan H., Stein, Natalie, Branch, OraLee H.·2022·DIGITAL HEALTH

Abstract

Objective: The National Diabetes Prevention Program (DPP) reduces diabetes incidence and associated medical costs but is typically staffing-intensive, limiting scalability. We evaluated an alternative delivery method with 3933 members of a program powered by conversational Artificial Intelligence (AI) called Lark DPP that has full recognition from the Centers for Disease Control and Prevention (CDC). Methods: We compared weight loss maintenance at 12 months between two groups: 1) CDC qualifiers who completed ≥4 educational lessons over 9 months (n = 191) and 2) non-qualifiers who did not complete the required CDC lessons but provided weigh-ins at 12 months (n = 223). For a secondary aim, we removed the requirement for a 12-month weight and used logistic regression to investigate predictors of weight nadir in 3148 members. Results: CDC qualifiers maintained greater weight loss at 12 months than non-qualifiers (M = 5.3%, SE = .8 vs. M = 3.3%, SE = .8; p = .015), with 40% achieving ≥5%. The weight nadir of 3148 members was 4.2% (SE = .1), with 35% achieving ≥5%. Male sex ( β = .11; P = .009), weeks with ≥2 weigh-ins ( β = .68; P < .0001), and days with an AI-powered coaching exchange ( β = .43; P < .0001) were associated with a greater likelihood of achieving ≥5% weight loss. Conclusions: An AI-powered DPP facilitated weight loss and maintenance commensurate with outcomes of other digital and in-person programs not powered by AI. Beyond CDC lesson completion, engaging with AI coaching and frequent weighing increased the likelihood of achieving ≥5% weight loss. An AI-powered program is an effective method to deliver the DPP in a scalable, resource-efficient manner to keep pace with the prediabetes epidemic.

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Authors
Graham, S. A., Pitter, V., Hori, J. H., Stein, N., & Branch, O. H.
Affiliations
Lark Health, Mountain View, CA, USA
Corresponding author
Graham, Sarah A.
Venue
DIGITAL HEALTH
Published
2022-01
Volume
8
Pages
205520762211306
ISSN
2055-2076 (ISSN-L)
OpenAlex
W4306247928
Cited by
43
References
55
Citations by year
2026: 13 · 2025: 13 · 2024: 10 · 2023: 7
FWCI
8.61
Type
journal article
Language
en
Open access
Locations
  • Digital Health (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Health Sciences › Health Professions › General Health Professions › Mobile Health and mHealth Applications
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Education
  • Social Sciences › Psychology › Applied Psychology › Digital Mental Health Interventions
Keywords
Diabetes Prevention Program, National Diabetes Prevention Program, artificial intelligence, weight loss maintenance, prediabetes, digital health interventions, predictors of weight loss, weigh-in

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