Last updated September 3, 2026
Key finding
Mean change -0.877 ± 3.47 vs. -0.067 ± 3.40; P = 0.01.
This study examined the impact of glycemic index training based on the Health Belief Model on metabolic indicators and quality of life in pregnant women, finding significant improvements in certain health metrics.
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
This study examined the impact of glycemic index training based on the Health Belief Model on metabolic indicators and quality of life in pregnant women, finding significant improvements in certain health metrics.
Improving metabolic health and quality of life during pregnancy is crucial for both maternal and fetal well-being. This study highlights the potential of dietary education to enhance health outcomes in pregnant women, which can inform clinical practices and public health strategies.
The study's sample size may limit the generalizability of the findings. Potential confounding factors were not fully controlled. The duration of the intervention may not reflect long-term effects.
Published in
Publication details and source links for this paper.
Robab S, Fatemeh B, Marzieh A, Amir HP, Kambiz AA, Saleh A. The effect of glycemic index training based on the Health Belief Model on metabolic indicators and quality of life in pregnant women. Scientific Reports. 2024;14:27712. doi:10.1038/s41598-024-78447-7
C-reactive protein decreased by -0.877 mg/L (P = 0.01)
Triglyceride levels decreased by -55.24 mg/dL (P = 0.001)
Quality of life improved by 13.69 points (P = 0.04)
Evidence network
Understand where this research contributes within the broader evidence network.
This study contributes evidence to Nutritional education on the glycemic index and C-reactive protein, Cue to action, Fasting Plasma Glucose (FPG), and 5 more.
This study contributes evidence to
Primary intervention
Nutritional education on the glycemic index
Primary outcomes
Evidence topics
Primary intervention
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.
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Evidence pairs
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Contributes evidence
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Contributes evidence
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Contributes evidence
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Contributes evidence
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Primary evidence
Evidence topic
matched_outcome
Related evidence
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Core evidence
The primary outcomes reported in this study.
Nutritional education on the glycemic index → C-reactive protein
Nutritional education on the glycemic index → C-reactive protein
Nutritional education on the glycemic index → Cue to action
Nutritional education on the glycemic index → Cue to action
Nutritional education on the glycemic index → Fasting insulin levels
Nutritional education on the glycemic index → Fasting insulin levels
Nutritional education on the glycemic index → Fasting Plasma Glucose (FPG)
Nutritional education on the glycemic index → Fasting Plasma Glucose (FPG)
Nutritional education on the glycemic index → Health-related quality of life
Nutritional education on the glycemic index → Health-related quality of life
Nutritional education on the glycemic index → Perceived susceptibility
Nutritional education on the glycemic index → Perceived susceptibility
Nutritional education on the glycemic index → Total cholesterol
Nutritional education on the glycemic index → Total cholesterol
Nutritional education on the glycemic index → Triglycerides
Nutritional education on the glycemic index → Triglycerides
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Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Nutritional education on the glycemic index and Inflammatory Markers, Nutritional education on the glycemic index and Cue to action.
This study contributes to the evidence on the following intervention-outcome relationships.
Behavioral & Lifestyle
Behavioral & Lifestyle
Behavioral & Lifestyle
Curated evidence collections and hubs this study is part of.
All studies measuring Cue to action
Measures Cue to action as a key outcome.
All studies measuring Inflammatory Markers
Measures Inflammatory Markers as a key outcome.
All studies on Nutritional education on the glycemic index
Contributes to Nutritional education on the glycemic index evidence base.
All studies measuring Quality of Life Outcomes
Measures Quality of Life Outcomes as a key outcome.
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Published within the last 2 years.
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1 results
1 results
1 results
1 results
1 results
Generated from the study's connected evidence using Evidence Intelligence™.
Nutritional education on the glycemic index appears to improve c-reactive protein.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
C-reactive protein
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Nutritional education on the glycemic index appears to improve cue to action.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Cue to action
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Nutritional education on the glycemic index appears to improve health-related quality of life.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
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
Nutritional education on the glycemic index appears to improve perceived susceptibility.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Perceived susceptibility
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
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