Evidence map›Paper›PMID 35640256›Full record

ArticleThe journals of gerontology. Series A, Biological sciences and medical sciences2023

Bidirectional Associations Between Adiposity and Cognitive Function: A Prospective Analysis of the Canadian Longitudinal Study on Aging (CLSA).

Mohammad Nazmus Sakib, John R Best, Reza Ramezan, Mary E Thompson, Peter A Hall

Open access · greenAbstract read
In one paragraph

Article in The journals of gerontology. Series A, Biological sciences and medical sciences, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
1.6field-weighted citation impact, top 18% 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

8 citing papers in PubMed, 8 citations in OpenAlex.

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  6. Is there a role for higher cognitive processes in the development of obesity in humans?Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2023
    Review
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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 2 institutions in 1 country.

Mohammad Nazmus SakibSchool of Public Health Sciences, Faculty of Health, University of Waterloo, Waterloo, Ontario, Canada.ORCID 0000-0001-5664-5834
John R BestGerontology Research Centre, Simon Fraser University, Burnaby, British Columbia, Canada.
Reza RamezanDepartment of Statistics and Actuarial Science, University of Waterloo, Waterloo, Ontario, Canada.
Mary E ThompsonDepartment of Statistics and Actuarial Science, University of Waterloo, Waterloo, Ontario, Canada.
Peter A HallSchool of Public Health Sciences, Faculty of Health, University of Waterloo, Waterloo, Ontario, Canada.ORCID 0000-0001-7730-0552
University of Waterloo · CASimon Fraser University · CA

Funding

CIHR LSA 94473
6 · The paper itself

Abstract

backgroundTheoretical perspectives suggest that adiposity and cognitive function may be bidirectionally associated, but this has not been examined in a large-scale data set. The current investigation aims to fill this gap using a large, representative sample of middle-aged and older adults.

methodsUsing data from the Canadian Longitudinal Study on Aging (N = 25 854), the bidirectional hypothesis was examined with 3 indicators of cognitive function (ie, executive function, processing speed, and verbal fluency) and adiposity (ie, waist circumference [WC], body mass index [BMI], and total fat mass). We used multivariate multivariable regression and structural equation modeling to assess the prospective associations between adiposity and cognitive indicators.

resultsAnalyses revealed that higher baseline WC was associated with higher Stroop interference at follow-up for both middle-aged (standardized estimate, β = 0.08, 95% confidence interval [CI] 0.06, 0.10) and older adults (β = 0.07, 95% CI 0.04, 0.09). Similarly, higher baseline Stroop interference was also associated with higher follow-up WC in middle-aged (β = 0.08, 95% CI 0.06, 0.10) and older adults (β = 0.03, 95% CI 0.01, 0.06). Effects involving semantic fluency and processing speed were less consistent. The earlier effects were similar to those observed using other adiposity indicators (eg, BMI and total fat mass) and were robust to adjustment for demographics and other cofounders, and when using latent variable modeling of the adiposity variable.

conclusionEvidence for a bidirectional relationship between adiposity and cognitive function exists, though the associations are most reliable for executive function and primarily evident at midlife.

Indexed as

AdiposityObesityAgedAgingBody Mass IndexCanadaCognitionHumansLongitudinal StudiesMiddle AgedRisk FactorsWaist CircumferenceAdiposityBMICLSACognitive functionWaist circumference

Identifiers

PMID35640256
PMCPMC9951058
OpenAlexW4281660182

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.