Last updated July 18, 2026
Key finding
WEL scores improved in both the tDNA groups with significantly higher improvement in the tDNA-MI group.
A structured lifestyle intervention improved eating self-efficacy in patients with type 2 diabetes, particularly through the Transcultural Diabetes Nutrition Algorithm with Motivational Interviewing.
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
A structured lifestyle intervention improved eating self-efficacy in patients with type 2 diabetes, particularly through the Transcultural Diabetes Nutrition Algorithm with Motivational Interviewing.
Improving eating self-efficacy is crucial for patients with type 2 diabetes, as it can lead to better dietary choices and management of their condition. The findings suggest that targeted interventions can enhance patients' confidence in managing their eating behaviors, potentially leading to improved health outcomes.
The study did not include a diverse population, limiting generalizability. Effectiveness of other interventions was unclear due to lack of significant data. Sample size and follow-up duration may affect the robustness of findings.
Published in
Publication details and source links for this paper.
Harvinder KGS, Winnie SSC, Osama H, et al. Eating self-efficacy improved in patients with type 2 diabetes following a structured lifestyle intervention. PLOS ONE. 2020;15(11):e0242487. doi:10.1371/journal.pone.0242487
The tDNA-MI group showed a significant increase in WEL scores, with a change of 25.4 ± 2.1 at 6 months.
At 12 months, the tDNA-MI group maintained an increase in WEL scores, showing a change of 28.9 ± 3.1.
The tDNA-CC group had a smaller increase in WEL scores, with a change of 12.9 ± 2.8 at 6 months.
Evidence network
Understand where this research contributes within the broader evidence network.
This study contributes evidence to Conventional Counseling (tDNA-CC), Motivational Interviewing (tDNA-MI), Transcultural Diabetes Nutrition Algorithm (tDNA), and 1 more and Change in WEL Scores at 6 Months for tDNA-CC, WEL Score Change at 12 Months for tDNA-CC, Change in WEL Scores at 6 Months, and 5 more.
This study contributes evidence to
Primary intervention
Conventional Counseling (tDNA-CC)
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.
0
Related topics
8
Evidence pairs
0
Related studies
Core evidence
The primary outcomes reported in this study.
Conventional Counseling (tDNA-CC) → Change in WEL Scores at 6 Months for tDNA-CC
Conventional Counseling (tDNA-CC) → Change in WEL Scores at 6 Months for tDNA-CC
Conventional Counseling (tDNA-CC) → WEL Score Change at 12 Months for tDNA-CC
Conventional Counseling (tDNA-CC) → WEL Score Change at 12 Months for tDNA-CC
Motivational Interviewing (tDNA-MI) → Change in WEL scores at 12 months for tDNA-MI
Motivational Interviewing (tDNA-MI) → Change in WEL scores at 12 months for tDNA-MI
Motivational Interviewing (tDNA-MI) → Change in WEL Scores at 6 Months
Motivational Interviewing (tDNA-MI) → Change in WEL Scores at 6 Months
Transcultural Diabetes Nutrition Algorithm (tDNA) → Change in Weight Efficacy Lifestyle (WEL) Score
Transcultural Diabetes Nutrition Algorithm (tDNA) → Change in Weight Efficacy Lifestyle (WEL) Score
Transcultural Diabetes Nutrition Algorithm (tDNA) → Change in WEL Scores at 12 Months
Transcultural Diabetes Nutrition Algorithm (tDNA) → Change in WEL Scores at 12 Months
Usual care → Change in WEL Scores at 12 Months for UC
Usual care → Change in WEL Scores at 12 Months for UC
Usual care → Change in WEL Scores at 6 Months for UC
Usual care → Change in WEL Scores at 6 Months for UC
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Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Conventional Counseling (tDNA-CC) and WEL Score Change at 12 Months for tDNA-CC, Conventional Counseling (tDNA-CC) and Change in WEL Scores at 6 Months for tDNA-CC.
This study contributes to the evidence on the following intervention-outcome relationships.
Behavioral & Lifestyle
Behavioral & Lifestyle
Diet and Nutrition
Curated evidence collections and hubs this study is part of.
All studies measuring Change in Weight Efficacy Lifestyle (WEL) Score
Measures Change in Weight Efficacy Lifestyle (WEL) Score as a key outcome.
All studies measuring Change in WEL Scores at 6 Months for tDNA-CC
Measures Change in WEL Scores at 6 Months for tDNA-CC as a key outcome.
All studies on Conventional Counseling (tDNA-CC)
Contributes to Conventional Counseling (tDNA-CC) evidence base.
All studies on Transcultural Diabetes Nutrition Algorithm (tDNA)
Contributes to Transcultural Diabetes Nutrition Algorithm (tDNA) evidence base.
All studies measuring WEL Score Change at 12 Months for tDNA-CC
Measures WEL Score Change at 12 Months for tDNA-CC as a key outcome.
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1 results
1 results
1 results
1 results
1 results
Generated from the study's connected evidence using Evidence Intelligence™.
Motivational Interviewing (tDNA-MI) appears to improve Change in WEL scores at 12 months for tDNA-MI.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Change in WEL scores at 12 months for tDNA-MI
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Transcultural Diabetes Nutrition Algorithm (tDNA) appears to improve Change in WEL Scores at 12 Months.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Change in WEL Scores at 12 Months
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Transcultural Diabetes Nutrition Algorithm (tDNA) appears to improve Change in Weight Efficacy Lifestyle (WEL) Score.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Change in Weight Efficacy Lifestyle (WEL) Score
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Current evidence does not show a clear benefit of Conventional Counseling (tDNA-CC) for Change in WEL Scores at 6 Months for tDNA-CC.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Change in WEL Scores at 6 Months for tDNA-CC
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
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