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July 27, 2026American Journal of Preventive Medicine

A Low-Data-Burden Vascular-Behavioral Profile for First-Pass Stratification of Later-Life Cognitive Decline Across International Aging Cohorts

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Why the study?

Scalable approaches are needed to identify adults who may benefit from proportionate cognitive follow-up and vascular-behavioral prevention support.

Does a 5-factor vascular-behavioral profile predict cognitive decline in aging cohorts?

Population

Adults in UK Biobank, CHARLS, ELSA, HRS, NHATS, KLOSA, and CLHLS

Comparison

5-factor vascular-behavioral profile burden

Design

Multi-cohort longitudinal study

Key result

A 5-factor vascular-behavioral profile predicted substantial cognitive decline with modest discrimination across international cohorts (AUCs ranging from 0.576 to 0.666) but underpredicted absolute risk.

Authors

LWLinjiang WeiLZLiangwen ZhangYJYuelong Ji

Discussion

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Overview

May aid initial cognitive risk stratification in aging adults; leaves open need for local recalibration and prospective validation.

Key Points

  • This study aims to assess the efficacy of a low-data-burden vascular-behavioral profile in predicting cognitive decline risk across international aging cohorts.
  • Analyzed repeated cognition data from 2000-2025 across multiple cohorts including UK Biobank, CHARLS, ELSA, HRS.
  • Employed linear mixed models and logistic reference models to evaluate associations with cognitive decline.
  • Calculated discrimination and calibration metrics for the vascular-behavioral profile.
  • Higher baseline burden correlated with faster cognitive decline across several cohorts: UK Biobank, CHARLS, ELSA, and HRS.
  • The area under the curve (AUC) for substantial decline was 0.576 (UK Biobank), 0.603 (CHARLS), 0.666 (ELSA), and 0.643 (HRS).
  • Absolute risk predictions were underreported in external cohorts, suggesting a need for recalibration in risk estimations.

Study Design

Type

Cohort

Multicenter

Yes

Structured PICO

Does a 5-factor vascular-behavioral profile predict cognitive decline in aging cohorts?

P
Population
Participants from multiple international aging cohorts evaluated to determine if a 5-factor vascular-behavioral profile predicts later-life cognitive decline.
E
Exposure
5-factor vascular-behavioral profile (hypertension, diabetes, smoking, physical inactivity, and obesity)
O
Outcome
Global cognitive decline and substantial decline (defined as a 5-year-equivalent decrease of at least 0.5 cohort-standardized SD)

A simple 5-factor vascular-behavioral profile can stratify risk for cognitive decline across international cohorts, though local recalibration is needed for absolute risk prediction.

Limitations

  • Absolute risk was underpredicted in external cohorts, requiring local recalibration before absolute probabilities can guide individual decisions.

Cite This Study

Wei et al. (2026) conducted a cohort in Cognitive decline. 5-factor vascular-behavioral profile (hypertension, diabetes, smoking, physical inactivity, and obesity) vs. Lower baseline burden was evaluated on Substantial cognitive decline (5-year-equivalent decrease of at least 0.5 cohort-standardized SD). A 5-factor vascular-behavioral profile predicted substantial cognitive decline with modest discrimination across international cohorts (AUCs ranging from 0.576 to 0.666) but underpredicted absolute risk.

synapsesocial.com/papers/6a6795f6bb2605d1235fba80https://doi.org/10.1016/j.amepre.2026.108528
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