ArticleJournal of the American Geriatrics Society2025
Associations Between Peak Expiratory Flow and Community Mobility Loss Among Older Adults in the United States.
Article in Journal of the American Geriatrics Society, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled 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.
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
2 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Purpose in life and lung function: an individual-participant meta-analysis of six cohort studies.Respiratory research · 2025Pooled it
- Association of gut microbiome with mobility impairment in the Hispanic Community Health Study/Study of Latinos.NPJ biofilms and microbiomes · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors.
Funding
Abstract
backgroundCommunity mobility is a vital patient-centered outcome for older adults living in the community. These deficits in mobility are linked to social isolation, increased hospitalizations, and higher mortality rates. Impaired pulmonary function may be a modifiable risk factor for mobility decline, with existing inequities in lung health potentially contributing disproportionately to mobility loss among Black older adults. MATERIALS/
methodsA cohort of 4742 community-dwelling older adults (weighted n = 29,180,893) with self-reported ability to walk 3 or more blocks in their community was drawn from the National Health and Aging Trends Study (NHATS). Pulmonary function was measured by PEF in NHATS. Community mobility loss was defined as self-reported inability to walk ≥ 3 blocks in the 1-year follow-up assessment. Hierarchical multivariable logistic regression was used and adjusted for demographics, comorbidities, pain, and assistive device use.
resultsOverall, 73.7% of the sample had normal PEF, 18.6% had moderate impairment, and 7.7% had severe impairment. Those with severe impairment were more likely to be male and identify as Black. In unadjusted analyses, 8.8% of older adults with normal PEF experienced mobility loss, compared with 12.7% of those with moderate impairment, and 19.7% with severe impairment. Odds of mobility loss were 111% higher for those with severe PEF impairment as compared to those with normal PEF (OR = 2.1, 95% CI 1.2-3.7) in fully adjusted models, with weaker relationships being observed for those with moderately impaired PEF (OR = 1.2, 95% CI 0.8-1.8).
conclusionsNearly 8%, or an estimated 1 million community-ambulating U.S. older adults, had severe impairments in peak expiratory flow in 2015; these older adults have a substantially higher risk of losing the ability to ambulate community distances over the subsequent year.
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Registered trials
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