Research Summary
Analyzed using Evidence Intelligence™

Online Low GI Diet Improves Diabetes Management

Last updated July 8, 2026

Key finding

HbA1c decreased from 8.33% to 7.82% (p = 0.001)

This study evaluated the effectiveness of an online low glycemic index diet for managing type 2 diabetes, showing significant improvements in several health markers.

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 the effectiveness of an online low glycemic index diet for managing type 2 diabetes, showing significant improvements in several health markers.

Clinical relevance

These findings highlight the potential of online dietary interventions in managing type 2 diabetes, offering a practical and accessible approach for patients to improve their health outcomes. The significant reductions in HbA1c and BMI are particularly important as they are associated with lower risks of diabetes complications.

Keep in mind

Limited generalizability due to specific participant characteristics Potential self-reporting bias in dietary adherence Short duration of the intervention may affect long-term applicability

Published in

Journal Reference

Publication details and source links for this paper.

Jinhua C, Lixia L, Xinyi Z, et al. Effectiveness of an Online Low Glycemic Index Diet and Lifestyle Intervention for Type 2 Diabetes Management: A Randomized Controlled Trial. Archives of Public Health. 2025;83:61. doi:10.1186/s13690-025-01552-0

Main Effects

HbA1c decreased from 8.33% to 7.82% (p = 0.001)

BMI decreased from 25.73 kg/m² to 24.35 kg/m² (p < 0.001)

LDL-C decreased from 2.83 mmol/L to 2.38 mmol/L (p < 0.001)

HDL-C increased from 1.21 mmol/L to 1.35 mmol/L (p = 0.001)

Evidence network

How this study fits

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Evidence Context

This study contributes evidence to Low glycemic index treatment (LGIT) and BMI, HDL cholesterol, HbA1c, and 2 more.

Primary intervention

Low glycemic index treatment (LGIT)

Primary outcomes

  • BMI
  • HDL cholesterol
  • HbA1c

Evidence relationships

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

5
Evidence pairs
5
Relationships
4
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: 72

4

Related topics

5

Evidence pairs

1608

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 5 evidence relationships
  • Includes primary outcome data
  • Linked to 4 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 relationship

Glycemic Control Treatments and HbA1c

Related evidence

Evidence relationship

Glycemic Control Treatments and Body Mass Index

Save evidence

Evidence relationship

Glycemic Control Treatments and Adipokine and Angiogenic Markers

Save evidence

Core evidence

Study findings

The primary outcomes reported in this study.

BMI

Low glycemic index treatment (LGIT) → BMI

Low glycemic index treatment (LGIT) → BMI

Evidence Intelligence™
EvidenceScore™
Moderate
Score 69 · Based on 2 studies
ImpactScore™
100
Very Positive
ConsistencyScore™
100
consistent
Supporting studies: Based on 2 studies
Add to Evidence Tracker

HbA1c

Low glycemic index treatment (LGIT) → HbA1c

Low glycemic index treatment (LGIT) → HbA1c

Evidence Intelligence™
EvidenceScore™
Moderate
Score 69 · Based on 2 studies
ImpactScore™
100
Very Positive
ConsistencyScore™
100
consistent
Supporting studies: Based on 2 studies
Add to Evidence Tracker

HDL cholesterol

Low glycemic index treatment (LGIT) → HDL cholesterol

Low glycemic index treatment (LGIT) → HDL cholesterol

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

LDL cholesterol

Low glycemic index treatment (LGIT) → LDL cholesterol

Low glycemic index treatment (LGIT) → LDL cholesterol

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

Quality of life

Low glycemic index treatment (LGIT) → Quality of life

Low glycemic index treatment (LGIT) → Quality of life

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
25
Negative
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Evidence Library

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evidence suggest

Evidence Suggest

  • HbA1c levels significantly decreased by 0.51% (p = 0.001)
  • BMI reduced by 1.38 kg/m² (p < 0.001)
  • LDL-C levels decreased by 0.45 mmol/L (p < 0.001)
who this applies

Who this applies to

  • Adults diagnosed with type 2 diabetes
  • Individuals seeking dietary interventions for diabetes management
keep in mind

Keep in Mind

  • Results may not apply to all demographics or age groups
  • Further studies needed to assess long-term effects
  • Effectiveness may vary based on individual adherence to the diet
between the lines

Between the Lines

  • Limited generalizability due to specific participant characteristics
  • Potential self-reporting bias in dietary adherence
  • Short duration of the intervention may affect long-term applicability

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 Glycemic Control Treatments and Body Mass Index, Glycemic Control Treatments and HbA1c.

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 Glycemic Control Treatments lower HbA1c?

Strong Evidence

Glycemic Control Treatments appears to lower HbA1c.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Moderate | EvidenceScore™ 69.0 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 3 supporting studies with consistent results and a positive effect signal.

3 supporting studies

Does Glycemic Control Treatments affect body mass index?

Moderate Evidence

Glycemic Control Treatments appears to affect body mass index.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    BMI

    EvidenceScore™ Moderate | EvidenceScore™ 69.0 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on a small number of supporting studies and should be interpreted cautiously.

Limitations

  • Only a small number of supporting studies are available.
2 supporting studies

Does Glycemic Control Treatments improve quality of life outcomes?

Emerging Evidence

Glycemic Control Treatments may worsen quality of life outcomes or be associated with harm.

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

Ranked evidence signals

  1. 1

    Quality of life

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | moderate negative | ConsistencyScore™ Unclear | 1 study

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

Limitations

  • Only one supporting study is available.
1 supporting study

Does Glycemic Control Treatments improve adipokine and angiogenic markers?

Emerging Evidence

Glycemic Control Treatments appears to improve adipokine and angiogenic markers.

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

Ranked evidence signals

  1. 1

    HDL cholesterol

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

  2. 2

    LDL cholesterol

    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.
1 supporting study
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