Last updated June 15, 2026
Key finding
HR 0.12 [95% CI 0.05-0.28] for retainers vs standard care; ITT HR 0.74 [95% CI 0.48-1.14], p=0.18
This study looked at whether attending more sessions of a diabetes prevention programme helped lower type 2 diabetes risk. People who went to all sessions had an 88% lower risk of developing diabetes compared to those receiving standard care. However, fewer than 1 in 3 people attended all sessions.
Quick read
The essential study design details in one scan.
EvidenceScore™
Moderate
Study type
Secondary analysis of a cluster-randomised controlled trial
Follow-up
Long-Term (1–5 y)
Risk of bias
High Risk
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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 looked at whether attending more sessions of a diabetes prevention programme helped lower type 2 diabetes risk. People who went to all sessions had an 88% lower risk of developing diabetes compared to those receiving standard care. However, fewer than 1 in 3 people attended all sessions.
Diabetes prevention programmes are a global priority, but real-world programmes often have limited resources compared to the intensive programmes tested in landmark trials. This study shows that even a relatively low-intensity group programme can produce large benefits for people who fully participate. The challenge is finding ways to reach and support people who are less likely to engage, since these individuals also tend to have higher risk profiles.
Secondary analysis: ITT primary analysis was non-significant Selection bias: people who engaged more had healthier baseline characteristics Low retention: only 29% completed all programme sessions Post-hoc attendance grouping not randomised
↓ Type 2 diabetes risk with full programme attendance (HR 0.12, 95% CI 0.05–0.28)
↓ Weight, HbA1c, and waist circumference in completers vs standard care
↑ Quality of life and daily step count in programme completers
Evidence network
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This study contributes evidence to Lifestyle intervention for prediabetes and 2-hour plasma glucose, Anxiety score, Body weight, and 6 more.
This study contributes evidence to
Primary intervention
Lifestyle intervention for prediabetes
Primary outcomes
Evidence topics
Primary intervention
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.
11
Related topics
9
Evidence pairs
2315
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Contributes evidence
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Primary evidence
Evidence topic
matched_intervention_and_outcome
Related evidence
Evidence topic
Save evidence
Core evidence
The primary outcomes reported in this study.
Lifestyle intervention for prediabetes → 2-hour plasma glucose
Lifestyle intervention for prediabetes → 2-hour plasma glucose
Lifestyle intervention for prediabetes → Anxiety score
Lifestyle intervention for prediabetes → Anxiety score
Lifestyle intervention for prediabetes → Body weight
Lifestyle intervention for prediabetes → Body weight
Lifestyle intervention for prediabetes → Daily step count
Lifestyle intervention for prediabetes → Daily step count
Lifestyle intervention for prediabetes → Fasting blood sugar (FBS)
Lifestyle intervention for prediabetes → Fasting blood sugar (FBS)
Lifestyle intervention for prediabetes → Quality of life
Lifestyle intervention for prediabetes → Quality of life
Lifestyle intervention for prediabetes → Type 2 diabetes incidence
Lifestyle intervention for prediabetes → Type 2 diabetes incidence
Lifestyle intervention for prediabetes → Waist circumference
Lifestyle intervention for prediabetes → Waist circumference
Evidence Library
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Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Lifestyle intervention for prediabetes and Diabetes Incidence and Prevention, Lifestyle intervention for prediabetes 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 measuring HbA1c
Measures HbA1c as a key outcome.
All studies measuring Body Weight
Measures Body Weight as a key outcome.
All studies measuring Diabetes Incidence and Prevention
Measures Diabetes Incidence and Prevention as a key outcome.
All studies on Lifestyle intervention for prediabetes
Contributes to Lifestyle intervention for prediabetes evidence base.
Jump to pre-filtered views in Evidence Explorer.
5 results
13 results
5 results
5 results
13 results
Generated from the study's connected evidence using Evidence Intelligence™.
Lifestyle intervention for prediabetes may improve Type 2 diabetes incidence.
ConsistencyScore™: Results are generally consistent across studies.
Ranked evidence signals
Type 2 diabetes incidence
EvidenceScore™ Strong | EvidenceScore™ 85.8 | moderate positive | ConsistencyScore™ Generally Consistent | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Lifestyle intervention for prediabetes may improve HbA1c.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
HbA1c
EvidenceScore™ Strong | EvidenceScore™ 84.9 | moderate positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Lifestyle intervention for prediabetes may improve Body weight.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
Body weight
EvidenceScore™ Strong | EvidenceScore™ 83.7 | moderate positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Lifestyle intervention for prediabetes may improve Waist circumference.
ConsistencyScore™: Results are generally consistent across studies.
Ranked evidence signals
Waist circumference
EvidenceScore™ Strong | EvidenceScore™ 78.5 | moderate positive | ConsistencyScore™ Generally Consistent | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
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