Evidence map›Paper›PMID 23138107›Full record

ArticleBMJ open2012

Relationships between black tea consumption and key health indicators in the world: an ecological study.

Ariel Beresniak, Gerard Duru, Genevieve Berger, Dominique Bremond-Gignac

Open access · goldAbstract read
In one paragraph

Article in BMJ open, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
2.4field-weighted citation impact, top 12% 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

15 citing papers in PubMed, 46 citations in OpenAlex.

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  11. Antidiabetic Effects of Tea.Molecules (Basel, Switzerland) · 2017
    Review
  12. Article
  13. Article
  14. Article
  15. Natural polyphenols: Influence on membrane transporters.Journal of intercultural ethnopharmacology
    Review
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

4 authors at 2 institutions in 2 countries.

Ariel BeresniakDepartment of Research, Data Mining International, Geneva, Switzerland.
Gerard Duru
Genevieve Berger
Dominique Bremond-Gignac
Inserm · FRUnilever (United Kingdom) · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesThe aim of this study was to investigate potential statistical relationships between black tea consumption and key health indicators in the world. The research question is: Does tea consumption is correlated with one or more epidemiological indicators?

designEcological study using a systematic data-mining approach in which the unit of the analysis is a population of one country.

settingSix variables, black tea consumption data and prevalence data of respiratory diseases, infectious diseases, cancer, cardiovascular diseases and diabetes, have been studied at a global level.

participantsData from 50 participating countries in the World Health Survey were investigated. PRIMARY AND SECONDARY OUTCOMES MEASURES: Level of statistical relationships between variables.

resultsPrincipal component analysis established a very high contribution of the black tea consumption parameter on the third axis (81%). The correlation circle confirmed that the 'black tea' vector was negatively correlated with the diabetes vector and was not correlated with any of the other four health indicators. A linear correlation model then confirmed a significant statistical correlation between high black tea consumption and low diabetes prevalence.

conclusionsThis innovative study establishes a linear statistical correlation between high black tea consumption and low diabetes prevalence in the world. These results are consistent with biological and physiological studies conducted on the effect of black tea on diabetes and confirm the results of a previous ecological study in Europe. Further epidemiological research and randomised studies are necessary to investigate the causality.

Identifiers

PMID23138107
PMCPMC3533110
OpenAlexW2115252902

What OpenQuestion holds

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LicenceCC BY-NC
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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.