Last updated August 25, 2026
Key finding
Median consumption of whole grains increased by 2.24 servings per week (p<0.001).
A cafeteria intervention improved dietary intake and modestly reduced blood pressure and LDL cholesterol among employees.
Quick read
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
A plain-language read of the study’s main message and where it applies.
Study focus
A cafeteria intervention improved dietary intake and modestly reduced blood pressure and LDL cholesterol among employees.
Improving dietary intake in workplace settings can have significant implications for employee health, potentially reducing the risk of chronic diseases such as heart disease. The modest reductions in blood pressure and LDL cholesterol suggest that even small dietary changes can contribute to better overall health outcomes.
Effectiveness of the intervention remains unclear for some outcomes. Potential limitations in generalizability due to the specific employee population. Unmeasured confounders may affect the results.
Published in
Publication details and source links for this paper.
Archana S, Dipesh T, Bhawana G, et al. Cafeteria intervention improves dietary intake and modestly reduces blood pressure and LDL cholesterol in employees. PLOS ONE. 2024;19(4):e0301826. doi:10.1371/journal.pone.0301826
Median consumption of whole grains increased by 2.24 servings per week (p<0.001).
Mean systolic blood pressure decreased by 2 mmHg (p = 0.003).
Mean LDL cholesterol decreased by 6 mg/dL (p<0.001).
Evidence network
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This study contributes evidence to Cafeteria intervention and Consumption of mono/polyunsaturated fat, Consumption of nuts, Consumption of refined grains, and 8 more.
This study contributes evidence to
Primary intervention
Cafeteria intervention
Primary outcomes
Primary intervention
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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Related topics
11
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
Evidence topic
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Core evidence
The primary outcomes reported in this study.
Cafeteria intervention → Consumption of mono/polyunsaturated fat
Cafeteria intervention → Consumption of mono/polyunsaturated fat
Cafeteria intervention → Consumption of nuts
Cafeteria intervention → Consumption of nuts
Cafeteria intervention → Consumption of refined grains
Cafeteria intervention → Consumption of refined grains
Cafeteria intervention → Consumption of vegetables
Cafeteria intervention → Consumption of vegetables
Cafeteria intervention → Diastolic blood pressure
Cafeteria intervention → Diastolic blood pressure
Cafeteria intervention → Fasting Plasma Glucose (FPG)
Cafeteria intervention → Fasting Plasma Glucose (FPG)
Cafeteria intervention → Increased whole-grain intake
Cafeteria intervention → Increased whole-grain intake
Cafeteria intervention → Median consumption of fruits
Cafeteria intervention → Median consumption of fruits
Cafeteria intervention → Systolic blood pressure
Cafeteria intervention → Systolic blood pressure
Cafeteria intervention → Very-low-density lipoprotein cholesterol
Cafeteria intervention → Very-low-density lipoprotein cholesterol
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This study contributes to evidence on Cafeteria intervention and Median consumption of fruits, Cafeteria intervention and Consumption of mono/polyunsaturated fat.
This study contributes to the evidence on the following intervention-outcome relationships.
Diet and Nutrition
Diet and Nutrition
Diet and Nutrition
Curated evidence collections and hubs this study is part of.
All studies measuring Blood Pressure
Measures Blood Pressure as a key outcome.
All studies on Cafeteria intervention
Contributes to Cafeteria intervention evidence base.
All studies measuring Consumption of mono/polyunsaturated fat
Measures Consumption of mono/polyunsaturated fat as a key outcome.
All studies measuring Median consumption of fruits
Measures Median consumption of fruits 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™.
Cafeteria intervention appears to improve consumption of mono/polyunsaturated fat.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Consumption of mono/polyunsaturated fat
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Cafeteria intervention appears to improve consumption of nuts.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Consumption of nuts
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Cafeteria intervention appears to improve consumption of refined grains.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Consumption of refined grains
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Cafeteria intervention appears to improve consumption of vegetables.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Consumption of vegetables
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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