Evidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerResearch Summary
Analyzed using Evidence Intelligence™
Peer support may improve diabetes self-management in rural Vietnam
Last updated August 15, 2026
Key finding
There were no significant statistical differences when comparing pre-and post-intervention levels of the primary outcome HbA1c.
This study evaluated a peer-based club intervention aimed at improving self-management and reducing HbA1c levels among people with type 2 diabetes in rural Vietnam, but found no significant changes in HbA1c, BMI, or blood pressure.
Quick read
Study at a glance
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
What this paper says
A plain-language read of the study’s main message and where it applies.
Study focus
This study evaluated a peer-based club intervention aimed at improving self-management and reducing HbA1c levels among people with type 2 diabetes in rural Vietnam, but found no significant changes in HbA1c, BMI, or blood pressure.
Clinical relevance
Understanding the effectiveness of peer-based interventions is crucial for developing community-based strategies to support diabetes management, especially in rural areas. While this study did not show significant improvements in clinical outcomes, the observed enhancements in self-management behaviors could still provide valuable insights for future interventions.
Keep in mind
The study may have limited generalizability due to its rural setting. The sample size and demographic characteristics may restrict broader applicability. No significant clinical outcomes were achieved despite some behavioral improvements.
Published in
Journal Reference
Publication details and source links for this paper.
Ngoc-Anh TD, Tuc PV, Tine MG, et al. Peer-based club intervention to enhance self-management and reduce HbA1c levels among people with type 2 diabetes in rural Vietnam. PLOS ONE. 2023;18(11):e0290355. doi:10.1371/journal.pone.0290355
Main Effects
No significant difference in HbA1c levels was found pre- and post-intervention.
BMI measurements showed no significant change.
Blood pressure levels did not demonstrate significant differences.
Some components of diabetes-related self-management behaviors showed statistically significant improvement.
Evidence network
How this study fits
Understand where this research contributes within the broader evidence network.
Evidence Context
This study contributes evidence to Peer-based club intervention and BMI, Diabetes self-management behaviors, HbA1c, and 1 more.
This study contributes evidence to
Primary intervention
Peer-based club intervention
Primary outcomes
- BMI
- Diabetes self-management behaviors
- HbA1c
Primary intervention
Primary outcomes
Evidence relationships
Intervention and outcome relationships this study adds to the evidence network.
4
Evidence pairs
4
Relationships
5
Evidence topics
contributes_evidence
Editorial context
Why this study matters
See why this paper is useful beyond its individual results.
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.
Moderate contributionModerate confidenceNetwork score: 68
5
Related topics
4
Evidence pairs
1286
Related studies
High relevance in at least one topic
Why it is useful
- Contributes to 4 evidence relationships
- Includes primary outcome data
- Linked to 5 direct semantic evidence topics
Topic contributions
Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
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Primary evidence
Evidence topic
Blood Pressure
matched_outcome
Related evidence
Evidence topic
Diabetes Management Self-Efficacy
Save evidence
Core evidence
Study findings
The primary outcomes reported in this study.
Diabetes self-management behaviors
Peer-based club intervention → Diabetes self-management behaviors
Peer-based club intervention → Diabetes self-management behaviors
Evidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerEvidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerSystolic blood pressure
Peer-based club intervention → Systolic blood pressure
Peer-based club intervention → Systolic blood pressure
Evidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerEvidence Library
Build your evidence library
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Evidence Suggest
- Peer-based intervention did not significantly lower HbA1c levels.
- No notable changes in BMI or blood pressure were observed.
- Some diabetes self-management behaviors improved statistically.
Who this applies to
- Adults with type 2 diabetes living in rural Vietnam.
- Individuals seeking peer support for diabetes management.
Keep in Mind
- The lack of significant clinical outcomes limits the intervention's perceived effectiveness.
- Improvements in self-management behaviors may not translate to clinical benefits.
- Further research is needed to explore different intervention strategies.
Between the Lines
- The study may have limited generalizability due to its rural setting.
- The sample size and demographic characteristics may restrict broader applicability.
- No significant clinical outcomes were achieved despite some behavioral improvements.
Evidence Library
Build your evidence library
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Connected Evidence
Explore related studies, evidence collections, and research questions.
Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Peer-based club intervention and Body Mass Index, Peer-based club intervention and HbA1c.
Related evidence relationships
Explore in Evidence ExplorerThis study contributes to the evidence on the following intervention-outcome relationships.
Behavioral & Lifestyle
Peer-based club intervention → Body Mass Index
Behavioral & Lifestyle
Evidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
View evidenceBehavioral & Lifestyle
Peer-based club intervention → HbA1c
Behavioral & Lifestyle
Evidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
View evidenceBehavioral & Lifestyle
Peer-based club intervention → Blood Pressure
Behavioral & Lifestyle
Evidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
View evidenceIncluded in these evidence collections
Curated evidence collections and hubs this study is part of.
Blood Pressure Evidence Hub
All studies measuring Blood Pressure
1 studies
outcome_hubMeasures Blood Pressure as a key outcome.
Body Mass Index Evidence Hub
All studies measuring Body Mass Index
1 studies
outcome_hubMeasures Body Mass Index as a key outcome.
HbA1c Evidence Hub
All studies measuring HbA1c
1 studies
outcome_hubMeasures HbA1c as a key outcome.
Peer-based club intervention Evidence Hub
All studies on Peer-based club intervention
1 studies
intervention_hubContributes to Peer-based club intervention evidence base.
Explore more in Evidence Explorer
Jump to pre-filtered views in Evidence Explorer.
All studies on Peer-based club intervention and BMI
Intervention: Peer-based club interventionOutcome: BMI
1 results
All studies on Peer-based club intervention and HbA1c
Intervention: Peer-based club interventionOutcome: HbA1c
1 results
All studies on Peer-based club intervention
Intervention: Peer-based club intervention
1 results
All studies measuring BMI
Outcome: BMI
1 results
All studies measuring HbA1c
Outcome: HbA1c
1 results
Questions answered by this study
Generated from the study's connected evidence using Evidence Intelligence™.
Does Peer-based club intervention improve diabetes self-management behaviors?
Emerging Evidence
Peer-based club intervention appears to improve diabetes self-management behaviors.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Diabetes self-management behaviors
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
- Only one supporting study is available.
Does Peer-based club intervention affect BMI?
Emerging Evidence
Current evidence does not show a clear effect of Peer-based club intervention on BMI.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
BMI
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
- Only one supporting study is available.
Does Peer-based club intervention lower HbA1c?
Emerging Evidence
Current evidence does not show a clear benefit of Peer-based club intervention for HbA1c.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
HbA1c
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
- Only one supporting study is available.
Does Peer-based club intervention improve systolic blood pressure?
Emerging Evidence
Current evidence does not show a clear benefit of Peer-based club intervention for systolic blood pressure.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Systolic blood pressure
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
- Only one supporting study is available.
Next steps
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Evidence topics
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