Evidence Intelligence™
- ImpactScore™
- 50
- Neutral
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerResearch Summary
Analyzed using Evidence Intelligence™
Intermittent Fasting Improves Psychosomatic Competence
Last updated July 12, 2026
Key finding
Subjective sleep quality improved in the whole cohort (F(1,35)=10.04, p=0.003)
This study evaluated the effects of intermittent fasting on psychosomatic competence in insulin-treated patients with type 2 diabetes, finding significant weight loss in the fasting group.
Quick read
Study at a glance
The essential study design details in one scan.
EvidenceScore™
Moderate
Study type
RCTs
Follow-up
Short-Term (≤3 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 the effects of intermittent fasting on psychosomatic competence in insulin-treated patients with type 2 diabetes, finding significant weight loss in the fasting group.
Clinical relevance
These findings suggest that intermittent fasting may be a beneficial dietary approach for managing weight and psychosomatic health in patients with type 2 diabetes, potentially improving their overall quality of life and diabetes management.
Keep in mind
Small sample size may limit generalizability. Short duration of the study may not capture long-term effects. Lack of blinding could introduce bias in self-reported outcomes.
Published in
Journal Reference
Publication details and source links for this paper.
Anna R, Norbert JT, Peter NP, et al. Intermittent Fasting Improves Psychosomatic Competence in Insulin-Treated Patients with Type 2 Diabetes. Diabetes, Obesity & Metabolism. 2026;28(4):3415-3419. doi:10.1111/dom.70469
Main Effects
Intermittent fasting group lost 4.77 kg compared to +0.27 kg in controls (p < 0.001).
Psychosomatic competence improved more in the intermittent fasting group after 12 weeks.
Subjective sleep quality improved in the entire cohort, but no significant group differences were found.
Evidence network
How this study fits
Understand where this research contributes within the broader evidence network.
Evidence Context
This study contributes evidence to Control (Usual Activity), Intermittent Fasting (IF) and Weight change, Psychosomatic Competence Index (PSCI), Reduction in Daytime Sleepiness Measured by Epworth Sleepiness Scale, and 1 more.
This study contributes evidence to
Primary intervention
Control (Usual Activity)
Primary outcomes
- Weight change
- Psychosomatic Competence Index (PSCI)
- Reduction in Daytime Sleepiness Measured by Epworth Sleepiness Scale
Evidence topics
Primary intervention
Evidence relationships
Intervention and outcome relationships this study adds to the evidence network.
5
Evidence pairs
5
Relationships
1
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: 63
1
Related topics
5
Evidence pairs
104
Related studies
High relevance in at least one topic
Why it is useful
- Contributes to 5 evidence relationships
- Includes primary outcome data
- Linked to 1 direct semantic evidence topic
Topic contributions
Evidence topic
Contributes evidence
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Primary evidence
Evidence topic
Weight Loss
matched_outcome
Core evidence
Study findings
The primary outcomes reported in this study.
Psychosomatic Competence Index (PSCI)
Intermittent Fasting (IF) → Psychosomatic Competence Index (PSCI)
Intermittent Fasting (IF) → Psychosomatic Competence Index (PSCI)
Evidence Intelligence™
- ImpactScore™
- 100
- Very Positive
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerReduction in Daytime Sleepiness Measured by Epworth Sleepiness Scale
Intermittent Fasting (IF) → Reduction in Daytime Sleepiness Measured by Epworth Sleepiness Scale
Intermittent Fasting (IF) → Reduction in Daytime Sleepiness Measured by Epworth Sleepiness Scale
Evidence Intelligence™
- ImpactScore™
- 50
- Neutral
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerEvidence Intelligence™
- ImpactScore™
- 100
- Very Positive
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerEvidence Intelligence™
- ImpactScore™
- 100
- Very Positive
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
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Evidence Tracker
12 tracked topics
Saved Studies
48 studies
Research Notes
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Weekly Evidence Digest
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Evidence Suggest
- Weight loss in the intermittent fasting group was significant at -4.77 kg (p < 0.001).
- Overall psychosomatic competence improved more in the fasting group.
- No significant time effect on sleepiness was observed (p = 0.210).
Who this applies to
- Insulin-treated patients with type 2 diabetes.
- Individuals seeking dietary interventions for weight management.
Keep in Mind
- Results may not apply to non-insulin-treated diabetes patients.
- Further studies are needed to confirm long-term effects of intermittent fasting.
- Self-reported measures may be subject to bias.
Between the Lines
- Small sample size may limit generalizability.
- Short duration of the study may not capture long-term effects.
- Lack of blinding could introduce bias in self-reported outcomes.
Save this study
Keep this study in your Evidence Tracker so you can easily find it again whenever you need it.
Today's Activity
Your Evidence Workspace
Saved this study
Your free account becomes your personal diabetes evidence workspace.
Evidence Tracker
12 tracked topics
Saved Studies
48 studies
Research Notes
Coming Soon
Weekly Evidence Digest
Coming Soon
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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 Control (Usual Activity) and Quality of Life Outcomes, Control (Usual Activity) and Body Weight.
Related evidence relationships
Explore in Evidence ArchiveThis study contributes to the evidence on the following intervention-outcome relationships.
Control
Detailed evidenceEvidence Intelligence™
- ImpactScore™
- 50
- Neutral
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
View evidenceControl
Detailed evidenceEvidence Intelligence™
- ImpactScore™
- 50
- Neutral
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
View evidenceDiet and Nutrition
Detailed evidenceIntermittent Fasting (IF) → Reduction in Daytime Sleepiness Measured by Epworth Sleepiness Scale
Diet and Nutrition
Evidence Intelligence™
- ImpactScore™
- 50
- Neutral
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- 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.
Body Weight Evidence Hub
All studies measuring Body Weight
1 studies
outcome_hubMeasures Body Weight as a key outcome.
Control (Usual Activity) Evidence Hub
All studies on Control (Usual Activity)
1 studies
intervention_hubContributes to Control (Usual Activity) evidence base.
Intermittent Fasting (IF) Evidence Hub
All studies on Intermittent Fasting (IF)
1 studies
intervention_hubContributes to Intermittent Fasting (IF) evidence base.
Quality of Life Outcomes Evidence Hub
All studies measuring Quality of Life Outcomes
1 studies
outcome_hubMeasures Quality of Life Outcomes as a key outcome.
Reduction in Daytime Sleepiness Measured by Epworth Sleepiness Scale Evidence Hub
All studies measuring Reduction in Daytime Sleepiness Measured by Epworth Sleepiness Scale
1 studies
outcome_hubMeasures Reduction in Daytime Sleepiness Measured by Epworth Sleepiness Scale as a key outcome.
Explore more in the evidence archive
Jump to pre-filtered views in the evidence archive.
All studies on Control (Usual Activity) and Sleep quality
Intervention: Control (Usual Activity)Outcome: Sleep quality
1 results
All studies on Control (Usual Activity) and Weight change
Intervention: Control (Usual Activity)Outcome: Weight change
1 results
All studies on Control (Usual Activity)
Intervention: Control (Usual Activity)
1 results
All studies on Intermittent Fasting (IF)
Intervention: Intermittent Fasting (IF)
1 results
All studies measuring Sleep quality
Outcome: Sleep quality
1 results
Questions answered by this study
Generated from the study's connected evidence using Evidence Intelligence™.
Does Intermittent Fasting (IF) improve psychosomatic competence index (psci)?
Emerging Evidence
Intermittent Fasting (IF) appears to improve Psychosomatic Competence Index (PSCI).
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Psychosomatic Competence Index (PSCI)
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.
Does Intermittent Fasting (IF) improve sleep quality?
Emerging Evidence
Intermittent Fasting (IF) appears to improve Sleep quality.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Sleep quality
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.
Does Intermittent Fasting (IF) improve weight change?
Emerging Evidence
Intermittent Fasting (IF) appears to improve Weight change.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Weight change
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.
Does Control (Usual Activity) improve weight change?
Emerging Evidence
Current evidence does not show a clear benefit of Control (Usual Activity) for Weight change.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Weight change
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.
- Consistency cannot yet be determined.
- Population details are unavailable.
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