SynthesisBMJ open2020
Association of food industry ties with findings of studies examining the effect of dairy food intake on cardiovascular disease and mortality: systematic review and meta-analysis.
Synthesis in BMJ open, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
What it found
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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.
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.
Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Effects of Dairy Intake on Markers of Cardiometabolic Health in Adults: A Systematic Review with Network Meta-Analysis.Advances in nutrition (Bethesda, Md.) · 2023Pooled it
- Conflicts of Interest in Nutrition: Categorical Thinking and the Stigma of Commercial Collaboration.Current developments in nutrition · 2024Article
- Meat-Reduced Dietary Practices and Efforts in 5 Countries: Analysis of Cross-Sectional Surveys in 2018 and 2019.The Journal of nutrition · 2022Article
- Identifying environmental factors that influence immune response to SARS-CoV-2: Systematic evidence map protocol.Environment international · 2022Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo determine if the association of dairy foods with cardiovascular disease (CVD) outcomes differs between studies with food industry ties versus those without industry ties. To determine whether studies with or without industry ties differ in their risk of bias. ELIGIBILITY CRITERIA: We included cohort and case-control studies that estimated the association of dairy foods with CVD outcomes in healthy adults. INFORMATION SOURCES: We searched eight databases on 1 February 2019 from 2000 to 2019 and hand searched reference lists. RISK OF BIAS: We used the Risk of Bias in Non-Randomised Studies-of Exposure tool. INCLUDED STUDIES: 43 studies (3 case-controls, 40 cohorts). SYNTHESIS OF
resultsThere was no clear evidence of an association between studies with industry ties (1/14) versus no industry ties (8/29) and the reporting of favourable results, risk ratio (RR)=0.26 (95% CI 0.04 to 1.87; n=43 studies) and studies with industry ties (4/14) versus no industry ties (11/29) and favourable conclusions, RR=0.75 (95% CI 0.29 to 1.95; n=43). Studies with industry sponsorship, (HR=0.78; n=3 studies) showed a decreased magnitude of risk of CVD outcomes compared with studies with no industry sponsorship (HR=0.97; n=18) (ratio of HRs 0.80 (95% CI 0.66 to 0.97); p=0.03). STRENGTHS AND LIMITATIONS OF EVIDENCE: Every study had an overall high risk of bias rating; this was primarily due to confounding.
interpretationThere was no clear evidence of an association between studies with food industry ties and the reporting of favourable results and conclusions compared with studies without industry ties. The statistically significant difference in the magnitude of effects identified in industry-sponsored studies compared with non-industry-sponsored studies, however, is important in quantifying industry influence on studies included in dietary guidelines. PROSPERO REGISTRATION NUMBER: CRD42019129659.
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