Evidence map›Paper›PMID 26688736›Full record

ArticleBMJ open diabetes research & care2015

High-serum carotenoids associated with lower risk for developing type 2 diabetes among Japanese subjects: Mikkabi cohort study.

Minoru Sugiura, Mieko Nakamura, Kazunori Ogawa, Yoshinori Ikoma, Masamichi Yano

Open access · goldAbstract read
In one paragraph

Article in BMJ open diabetes research & care, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
36citing papers in PubMed, 1 pooled it
3.1field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

36 citing papers in PubMed, 1 synthesis or guideline pooled it, 83 citations in OpenAlex.

  1. Pooled it
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  4. The associations of plasma carotenoids andThe British journal of nutrition · 2026
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  13. Some novel bioactivities ofSaudi journal of biological sciences · 2023
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 3 institutions in 1 country.

Minoru SugiuraCitrus Research Division , NARO Institute of Fruit Tree Science, National Agriculture and Food Research Organization (NARO) , Shizuoka City, Shizuoka , Japan.
Mieko NakamuraDepartment of Community Health and Preventive Medicine , Hamamatsu University School of Medicine , Hamamatsu City, Shizuoka , Japan.
Kazunori OgawaCitrus Research Division , NARO Institute of Fruit Tree Science, National Agriculture and Food Research Organization (NARO) , Shizuoka City, Shizuoka , Japan.
Yoshinori IkomaCitrus Research Division , NARO Institute of Fruit Tree Science, National Agriculture and Food Research Organization (NARO) , Shizuoka City, Shizuoka , Japan.
Masamichi YanoCitrus Research Division , NARO Institute of Fruit Tree Science, National Agriculture and Food Research Organization (NARO) , Shizuoka City, Shizuoka , Japan.
Institute of Fruit Tree and Tea Science · JPNational Agriculture and Food Research Organization · JPHamamatsu University School of Medicine · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveRecent epidemiological studies show the association of antioxidant carotenoids with type 2 diabetes, but thorough longitudinal cohort studies regarding this association have not been well conducted. The objective of this study was to investigate longitudinally whether serum carotenoids are associated with the risk for developing type 2 diabetes among Japanese subjects. RESEARCH DESIGN AND

methodsWe conducted a follow-up study on 1073 males and females aged 30-79 years at the baseline from the Mikkabi prospective cohort study. Those who participated in the baseline and completed follow-up surveys were examined longitudinally. Over the 10-year period, 910 subjects (295 males and 615 females) took part in the follow-up survey at least one time. A cohort of 264 males and 600 females free of diabetes at baseline was studied.

resultsOver a mean follow-up period of 7.8 years (SD=2.9), 22 males and 33 females developed new type 2 diabetes. After adjustments for confounders, the HRs for type 2 diabetes in the highest tertiles of serum α-carotene, β-cryptoxanthin, and total provitamin A carotenoids against the lowest tertiles were 0.35 (95% CI 0.15 to 0.82), 0.43 (CI 0.20 to 0.92) and 0.41 (CI 0.19 to 0.90), respectively. For β-carotene and zeaxanthin, borderline reduced risks were also observed, but these were not significant.

conclusionsOur results further support the hypothesis that eating a diet rich in carotenoids, especially provitamin A carotenoids, might help prevent the development of type 2 diabetes in Japanese patients. TRIAL REGISTRATION NUMBER: NIFT-2013001.

Indexed as

AntioxidantCarotenoidsCohortType 2 Diabetes

Identifiers

PMID26688736
PMCPMC4679813
OpenAlexW2210472715

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.