A Quasi-Experiment to Assess the Impact of a Scalable, Community-Based Weight Loss Program: Combining Reach, Effectiveness, and Cost

Paul A Estabrooks, Kathryn E. Wilson, Todd J. McGuire, Samantha M. Harden, Nithya Priya Ramalingam, Lia Schoepke, Fabio Almeida, Amy L. Bayer

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Background: Primary care addresses obesity through physician oversight of intensive lifestyle interventions or referral to external programs with demonstrated efficacy. However, limited information exists on community program reach, effectiveness, and costs across different groups of participants. Objective: To evaluate a scalable, community weight loss program using reach, effectiveness, and cost metrics. Design: Longitudinal pre–post quasi-experiment without control. Participants: Enrolled participants in Weigh and Win (WAW), a community-based weight loss program. Intervention: A 12-month program with daily social cognitive theory-based email and/or text support, online access to health coaches, objective weight assessment through 83 community-based kiosks, and modest financial incentives to increase program reach. Main Measures: Number of participants, representativeness, weight loss achievement (3%, 5% of initial weight lost), and cost of implementation. Key Results: A total of 40,308 adults (79% women; 73% white; BMI = 32.3 ± 7.44, age = 43.9 ± 13.1 years) enrolled in WAW. Women were more likely than men to enroll in the program and continue engagement beyond an initial weigh-in (57% vs. 53%). Based on census data, African Americans were over-represented in the sample. Among participants who engaged in the program beyond an initial weigh-in (n = 19,029), 47% and 34% of participants lost 3% and 5% of their initial body weight, respectively. The average duration for those who achieved 5% weight loss was 1.7 ± 1.3 years. African American participants were more likely to achieve 5% weight loss and remain enrolled in the program longer compared to non-African American participants (2.0 ± 1.3 vs. 1.6 ± 1.2 years). Implementation costs were $2,822,698. Cost per clinically meaningful weight loss for African Americans ($257.97/3% loss; $335.96/5% loss) was lower than that for Hispanics ($318.62; $431.10) and Caucasians ($313.65; $441.87), due to the higher success rate of that subgroup of participants. Conclusions: Weigh and Win is a scalable technology-supported and community-based weight loss program that reaches a large number of participants and may contribute to reducing health disparities.

Original languageEnglish (US)
Pages (from-to)24-31
Number of pages8
JournalJournal of general internal medicine
Volume32
DOIs
StatePublished - Apr 1 2017

Fingerprint

Weight Reduction Programs
Cost-Benefit Analysis
Weight Loss
African Americans
Costs and Cost Analysis
Weights and Measures
compound A 12
Health
Program Evaluation
Censuses
Hispanic Americans
Life Style
Motivation
Primary Health Care
Referral and Consultation
Obesity
Body Weight
Technology
Physicians

Keywords

  • behavioral weight Loss
  • cost
  • impact
  • incentives
  • public health

ASJC Scopus subject areas

  • Internal Medicine

Cite this

A Quasi-Experiment to Assess the Impact of a Scalable, Community-Based Weight Loss Program : Combining Reach, Effectiveness, and Cost. / Estabrooks, Paul A; Wilson, Kathryn E.; McGuire, Todd J.; Harden, Samantha M.; Ramalingam, Nithya Priya; Schoepke, Lia; Almeida, Fabio; Bayer, Amy L.

In: Journal of general internal medicine, Vol. 32, 01.04.2017, p. 24-31.

Research output: Contribution to journalArticle

Estabrooks, Paul A ; Wilson, Kathryn E. ; McGuire, Todd J. ; Harden, Samantha M. ; Ramalingam, Nithya Priya ; Schoepke, Lia ; Almeida, Fabio ; Bayer, Amy L. / A Quasi-Experiment to Assess the Impact of a Scalable, Community-Based Weight Loss Program : Combining Reach, Effectiveness, and Cost. In: Journal of general internal medicine. 2017 ; Vol. 32. pp. 24-31.
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abstract = "Background: Primary care addresses obesity through physician oversight of intensive lifestyle interventions or referral to external programs with demonstrated efficacy. However, limited information exists on community program reach, effectiveness, and costs across different groups of participants. Objective: To evaluate a scalable, community weight loss program using reach, effectiveness, and cost metrics. Design: Longitudinal pre–post quasi-experiment without control. Participants: Enrolled participants in Weigh and Win (WAW), a community-based weight loss program. Intervention: A 12-month program with daily social cognitive theory-based email and/or text support, online access to health coaches, objective weight assessment through 83 community-based kiosks, and modest financial incentives to increase program reach. Main Measures: Number of participants, representativeness, weight loss achievement (3{\%}, 5{\%} of initial weight lost), and cost of implementation. Key Results: A total of 40,308 adults (79{\%} women; 73{\%} white; BMI = 32.3 ± 7.44, age = 43.9 ± 13.1 years) enrolled in WAW. Women were more likely than men to enroll in the program and continue engagement beyond an initial weigh-in (57{\%} vs. 53{\%}). Based on census data, African Americans were over-represented in the sample. Among participants who engaged in the program beyond an initial weigh-in (n = 19,029), 47{\%} and 34{\%} of participants lost 3{\%} and 5{\%} of their initial body weight, respectively. The average duration for those who achieved 5{\%} weight loss was 1.7 ± 1.3 years. African American participants were more likely to achieve 5{\%} weight loss and remain enrolled in the program longer compared to non-African American participants (2.0 ± 1.3 vs. 1.6 ± 1.2 years). Implementation costs were $2,822,698. Cost per clinically meaningful weight loss for African Americans ($257.97/3{\%} loss; $335.96/5{\%} loss) was lower than that for Hispanics ($318.62; $431.10) and Caucasians ($313.65; $441.87), due to the higher success rate of that subgroup of participants. Conclusions: Weigh and Win is a scalable technology-supported and community-based weight loss program that reaches a large number of participants and may contribute to reducing health disparities.",
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