Research Summary
Analyzed using Evidence Intelligence™

Counseling Improves Well-Being and Quality of Life in Type 2 Diabetes

Last updated August 16, 2026

Key finding

WHO-5: mean difference 7.35 (95% confidence interval (CI) 3.15–11.55), P = 0.0007

This study evaluated the impact of a behavioral intervention on psychological well-being and quality of life in individuals with Type 2 diabetes, finding significant improvements in the intervention group.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Long-Term (1–5 y)

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 the impact of a behavioral intervention on psychological well-being and quality of life in individuals with Type 2 diabetes, finding significant improvements in the intervention group.

Clinical relevance

These findings highlight the importance of behavioral interventions in managing Type 2 diabetes, as they can enhance patients' psychological well-being and overall quality of life. This approach may lead to better health outcomes and a more active lifestyle, which are crucial for diabetes management.

Keep in mind

Unclear effectiveness for some outcomes. Limited generalizability due to specific population characteristics. Potential for unmeasured confounders affecting results.

Published in

Journal Reference

Publication details and source links for this paper.

Antonio N, Jonida H, Valeria D, et al. Effect of a Behavioural Intervention on Psychological Well-Being and Quality of Life in Individuals with Type 2 Diabetes. Sports Medicine (Auckland, N.z.). 2021;52(3):643-654. doi:10.1007/s40279-021-01556-0

Main Effects

WHO-5 scores increased by 7.35 points (p=0.0007) in the intervention group.

SF-36 physical and mental component scores increased by 4.2 points (p=0.0001) in the intervention group.

The percentage of participants with likely depression decreased by 0.14% in the intervention group.

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Lifestyle intervention for prediabetes and Health-related quality of life, Improvement in Well-Being, Percentage of participants with likely depression, and 1 more.

Primary intervention

Lifestyle intervention for prediabetes

Primary outcomes

  • Health-related quality of life
  • Improvement in Well-Being
  • Percentage of participants with likely depression

Evidence relationships

Intervention and outcome relationships this study adds to the evidence network.

4
Evidence pairs
4
Relationships
3
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

3

Related topics

4

Evidence pairs

259

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 4 evidence relationships
  • Includes primary outcome data
  • Linked to 3 direct semantic evidence topics

Topic contributions

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

Add related evidence to your Evidence Tracker

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Primary evidence

Evidence topic

Prediabetes

matched_intervention_and_outcome

Related evidence

Evidence topic

Physical Activity Levels

Save evidence

Core evidence

Study findings

The primary outcomes reported in this study.

Health-related quality of life

Lifestyle intervention for prediabetes → Health-related quality of life

Lifestyle intervention for prediabetes → Health-related quality of life

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 Tracker

Improvement in Well-Being

Lifestyle intervention for prediabetes → Improvement in Well-Being

Lifestyle intervention for prediabetes → Improvement in Well-Being

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 Tracker

Percentage of participants with likely depression

Lifestyle intervention for prediabetes → Percentage of participants with likely depression

Lifestyle intervention for prediabetes → Percentage of participants with likely depression

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 Tracker

Physical activity level (MET-minutes per week)

Lifestyle intervention for prediabetes → Physical activity level (MET-minutes per week)

Lifestyle intervention for prediabetes → Physical activity level (MET-minutes per week)

Evidence Intelligence™
EvidenceScore™
73
Moderate
ImpactScore™
86
Very Positive
ConsistencyScore™
100
consistent
Supporting studies: Based on 3 studies
Add to Evidence Tracker

Evidence Library

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evidence suggest

Evidence Suggest

  • Intervention group saw a 7.35 point increase in psychological well-being scores.
  • Health-related quality of life improved by 4.2 points in the intervention group.
  • Likely depression rates decreased in the intervention group.
who this applies

Who this applies to

  • Adults diagnosed with Type 2 diabetes.
  • Individuals seeking to improve their psychological well-being and quality of life.
keep in mind

Keep in Mind

  • Results may not apply to all demographics or settings.
  • Further research is needed to confirm long-term effects.
  • Study design limitations may affect the interpretation of findings.
between the lines

Between the Lines

  • Unclear effectiveness for some outcomes.
  • Limited generalizability due to specific population characteristics.
  • Potential for unmeasured confounders affecting results.

Evidence Library

Build your evidence library

Save research, organize studies, and quickly find important evidence again.

Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Lifestyle intervention for prediabetes and Physical Activity Levels, Lifestyle intervention for prediabetes and Quality of Life Outcomes.

Related evidence relationships

Explore in Evidence Explorer

This study contributes to the evidence on the following intervention-outcome relationships.

Questions answered by this study

Generated from the study's connected evidence using Evidence Intelligence™.

Does Lifestyle intervention for prediabetes improve physical activity level (met-minutes per week)?

Moderate Evidence

Lifestyle intervention for prediabetes appears to improve Physical activity level (MET-minutes per week).

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Physical activity level (MET-minutes per week)

    EvidenceScore™ Moderate | EvidenceScore™ 72.9 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026

Does Lifestyle intervention for prediabetes improve health-related quality of life?

Emerging Evidence

Lifestyle intervention for prediabetes appears to improve Health-related quality of life.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Health-related quality of life

    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.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026

Does Lifestyle intervention for prediabetes improve improvement in well-being?

Emerging Evidence

Lifestyle intervention for prediabetes appears to improve Improvement in Well-Being.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Improvement in Well-Being

    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.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026

Does Lifestyle intervention for prediabetes improve percentage of participants with likely depression?

Emerging Evidence

Lifestyle intervention for prediabetes appears to improve Percentage of participants with likely depression.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Percentage of participants with likely depression

    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.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026
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