Evidence map›Paper›PMID 33152080›Full record

ArticleThe journals of gerontology. Series B, Psychological sciences and social sciences2021

Using Mixture Modeling to Construct Subgroups of Cognitive Aging in the Wisconsin Longitudinal Study.

Sara M Moorman, Emily A Greenfield, Kyle Carr

Open access · bronzeAbstract read
In one paragraph

Article in The journals of gerontology. Series B, Psychological sciences and social sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
0.1field-weighted citation impact, top 42% 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

3 citing papers in PubMed, 4 citations in OpenAlex.

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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

3 authors at 2 institutions in 1 country.

Sara M MoormanBoston College, Chestnut Hill, Massachusetts.ORCID 0000-0002-7555-1769
Emily A GreenfieldRutgers, The State University of New Jersey, New Brunswick.ORCID 0000-0001-5743-457X
Kyle CarrBoston College, Chestnut Hill, Massachusetts.ORCID 0000-0002-7517-1918
Boston College · USRutgers, The State University of New Jersey · US

Funding

Optimizing Cognitive Health in Later Life by Examining Childhood Socioeconomic Status as an Early-Life Risk and Protective Factor SupplementR01AG057491 · NIA · RUTGERS, THE STATE UNIV OF N.J. · PI COHEN, EMILY GREENFIELD, MOORMAN, SARA M · 2017 to 2019
$1.1M
NIA NIH HHS R01 AG057491NIH HHS NIA R01 AG 057491
6 · The paper itself

Abstract

objectivesLongitudinal surveys of older adults increasingly incorporate assessments of cognitive performance. However, very few studies have used mixture modeling techniques to describe cognitive aging, identifying subgroups of people who display similar patterns of performance across discrete cognitive functions. We employ this approach to advance empirical evidence concerning interindividual variability and intraindividual change in patterns of cognitive aging.

methodWe drew upon data from 3,713 participants in the Wisconsin Longitudinal Study (WLS). We used latent class analysis to generate subgroups of cognitive aging based on assessments of verbal fluency and episodic memory at ages 65 and 72. We also employed latent transition analysis to identify how individual participants moved between subgroups over the 7-year period.

resultsThere were 4 subgroups at each point in time. Approximately 3 quarters of the sample demonstrated continuity in the qualitative type of profile between ages 65 and 72, with 17.9% of the sample in a profile with sustained overall low performance at both ages 65 and 72. An additional 18.7% of participants made subgroup transitions indicating marked decline in episodic memory. DISCUSSION: Results demonstrate the utility of using mixture modeling to identify qualitatively and quantitatively distinct subgroups of cognitive aging among older adults. We discuss the implications of these results for the continued use of population health data to advance research on cognitive aging.

Indexed as

Cognitive AgingMemory, EpisodicMental RecallModels, StatisticalAgedAged, 80 and overCognitive DysfunctionFemaleHumansLatent Class AnalysisLongitudinal StudiesMaleWisconsinAlzheimer’s disease and related dementiasEpisodic memoryLife courseMixture modelsVerbal fluency

Identifiers

PMID33152080
PMCPMC8436704
OpenAlexW3096280955

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.