Last updated August 22, 2026
Key finding
Mean weight loss was statistically significant at 5.45 ± 6.14 lbs (2.48% of initial body weight) (p = 0.01).
This study evaluated the feasibility of a worksite plant-based diabetes prevention program, finding significant weight loss among participants.
Quick read
The essential study design details in one scan.
EvidenceScore™
Moderate
Study type
RCTs
Follow-up
Medium-Term (3–12 mo)
Risk of bias
Some Concerns
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Plain-language summary
A plain-language read of the study’s main message and where it applies.
Study focus
This study evaluated the feasibility of a worksite plant-based diabetes prevention program, finding significant weight loss among participants.
This study highlights the potential of plant-based dietary interventions in workplace settings to promote weight loss and healthier eating patterns, which are crucial for diabetes prevention. As obesity and diabetes rates continue to rise, effective workplace programs can play a significant role in public health strategies.
The study had a small sample size, limiting generalizability. Only one arm was defined, restricting comparative analysis. The follow-up duration for assessing long-term effects was not specified.
Published in
Publication details and source links for this paper.
Zainab A, Isobel RC. Feasibility of a Worksite Plant-Based Diabetes Prevention Program. AJPM Focus. 2023;2(2):100064. doi:10.1016/j.focus.2023.100064
Participants experienced a mean weight loss of 5.45 lbs (p = 0.01).
BMI decreased by an average of 0.92 points.
Consumption of healthy plant-based foods increased, while less healthy options decreased.
Evidence network
Understand where this research contributes within the broader evidence network.
This study contributes evidence to Peer-support lifestyle program and Body Mass Index (BMI) change, Decreased consumption of less healthy plant-based foods, Efficacy of Cognitive Behavioral Therapy (CBT) in Diabetes Management, and 4 more.
This study contributes evidence to
Primary intervention
Peer-support lifestyle program
Primary outcomes
Intervention and outcome relationships this study adds to the evidence network.
Editorial context
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Evidence network role
This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.
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Evidence pairs
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Contributes evidence
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Primary evidence
Evidence relationship
Related evidence
Evidence relationship
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Evidence relationship
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Core evidence
The primary outcomes reported in this study.
Peer-support lifestyle program → Body Mass Index (BMI) change
Peer-support lifestyle program → Body Mass Index (BMI) change
Peer-support lifestyle program → Decreased consumption of less healthy plant-based foods
Peer-support lifestyle program → Decreased consumption of less healthy plant-based foods
Peer-support lifestyle program → Efficacy of Cognitive Behavioral Therapy (CBT) in Diabetes Management
Peer-support lifestyle program → Efficacy of Cognitive Behavioral Therapy (CBT) in Diabetes Management
Peer-support lifestyle program → Increased consumption of healthy plant-based foods
Peer-support lifestyle program → Increased consumption of healthy plant-based foods
Peer-support lifestyle program → Physical activity level (MET-minutes per week)
Peer-support lifestyle program → Physical activity level (MET-minutes per week)
Peer-support lifestyle program → Weight change
Peer-support lifestyle program → Weight change
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Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Diabetes Self-Management Education and Support (DSMES) Programs and Physical Activity Levels, Diabetes Self-Management Education and Support (DSMES) Programs and HbA1c.
This study contributes to the evidence on the following intervention-outcome relationships.
Behavioral & Lifestyle
Behavioral & Lifestyle
Behavioral & Lifestyle
Curated evidence collections and hubs this study is part of.
All studies on Diabetes Self-Management Education and Support (DSMES) Programs
Contributes to Diabetes Self-Management Education and Support (DSMES) Programs evidence base.
All studies measuring HbA1c
Measures HbA1c as a key outcome.
All studies measuring Physical Activity Levels
Measures Physical Activity Levels as a key outcome.
All studies measuring Body Weight
Measures Body Weight as a key outcome.
Jump to pre-filtered views in Evidence Explorer.
3 results
3 results
3 results
3 results
3 results
Generated from the study's connected evidence using Evidence Intelligence™.
Diabetes Self-Management Education and Support (DSMES) Programs may improve Body Mass Index.
ConsistencyScore™: Results are generally consistent across studies.
Ranked evidence signals
Body Mass Index (BMI) change
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on 15 supporting studies with generally consistent results and a positive effect signal.
Limitations
Diabetes Self-Management Education and Support (DSMES) Programs may improve HbA1c.
ConsistencyScore™: Results are generally consistent across studies.
Ranked evidence signals
HbA1c
EvidenceScore™ Moderate | EvidenceScore™ 74.5 | strong positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on 38 supporting studies with generally consistent results and a positive effect signal.
Limitations
Diabetes Self-Management Education and Support (DSMES) Programs may improve Physical Activity Levels.
ConsistencyScore™: Results are mixed and should be interpreted cautiously.
Ranked evidence signals
Physical activity level (MET-minutes per week)
EvidenceScore™ Strong | EvidenceScore™ 79.0 | weak positive | ConsistencyScore™ Generally Consistent | 1 study
Why this answer: This answer is cautious because the available studies report mixed findings.
Limitations
Diabetes Self-Management Education and Support (DSMES) Programs appears to improve Body Weight.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
Weight change
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on 12 supporting studies with consistent results and a positive effect signal.
Limitations
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