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Structured vs Self-Guided Multidomain Lifestyle Interventions for Global Cognitive Function: The US POINTER Randomized Clinical Trial
Baker LD, et al. (Alzheimer's Association U.S. POINTER Study Group). JAMA, 2025-08-26
Topic: Risk, prevention and care in population studies
This randomized trial followed 2,111 older adults at risk for cognitive decline across 5 US sites for two years, comparing a highly structured lifestyle program (regular exercise, MIND diet, cognitive/social engagement, health coaching) against a lower-intensity, self-guided version of the same components. Both groups' cognition improved, but the structured group improved significantly more. This is a causal RCT finding, not just an association, though the year-over-year cognitive difference between groups was modest in absolute terms.
Key findings
- 2,111 participants aged 60-79 randomized to structured (n=1,056) vs self-guided (n=1,055) 2-year lifestyle interventions
- Structured group improved 0.243 SD/year on global cognition vs 0.213 SD/year for self-guided group (difference 0.029 SD, p=.008)
- Benefit was consistent across age, sex, ethnicity, heart-health status, and APOE ε4 carrier status
- Benefit of the structured program appeared larger in adults with lower baseline cognition
Why it matters
In this randomized trial of 2,111 older adults, a structured lifestyle program improved global cognition significantly more than a self-guided version of the same components over two years. The year-over-year difference between groups was modest in absolute terms, though the benefit was consistent across age, sex, ethnicity, heart-health status, and APOE ε4 carrier status.
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Study details
- Study designRCT
- Participants2,111
- Effect sizeStructured 0.243 SD/year vs. self-guided 0.213 SD/year; difference 0.029 SD/year
- Evidence strengthModerate
Limitations
Both arms received an active intervention (no untreated control), so the effect represents the added benefit of structure, not lifestyle change vs. nothing; absolute difference is modest.
How this study scored 76/100
Published in a top-tier journal, and it is a randomised controlled trial. Scored zero for indexed in PubMed because the record does not state it. We have no data on journal's citation record, times cited, citations per year, impact for its field and year, still being cited, senior author's track record, institution's track record, multi-centre collaboration and free to read, so those were left out: it earned 47 of the 62 points we could judge it on, which is 76 out of 100.
| Component | Points | Why |
|---|---|---|
| Journal tier | 10 / 10 | Tier 1 — top-tier general journal (JAMA) |
| Journal's citation record | — / 4 | No journal record from OpenAlex — left out of this score |
| Study design | 11 / 12 | A randomised controlled trial |
| Strength of evidence | 3 / 5 | Rated “moderate” in our summary |
| Peer-review validation | 10 / 10 | Peer-reviewed. Published as an article in a named peer-reviewed journal. |
| How recent | 4 / 5 | 2025 — within 3 year(s) of the newest study here |
| Sample size | 3 / 4 | 2,111 participants |
| Effect reported | 2 / 3 | Effect reported as a number, without an interval or test |
| Studied in people | 3 / 3 | Studied in people (participant count stated) |
| Randomised / blinded | 1 / 2 | Randomised (as stated in the record) |
| Times cited | — / 7 | No citation count (not found in OpenAlex) — left out of this score |
| Citations per year | — / 5 | No citation count or no year — left out of this score |
| Impact for its field and year | — / 6 | No field-weighted citation impact (OpenAlex has none yet) — left out of this score |
| Cited by studies here | 0 / 6 | No other study in this library cites it |
| Still being cited | — / 4 | No yearly citation counts — left out of this score |
| Senior author's track record | — / 4 | Senior author's record not available — left out of this score |
| Institution's track record | — / 3 | No institution listed in OpenAlex — left out of this score |
| Multi-centre collaboration | — / 3 | Institutions not listed — left out of this score |
| Indexed in PubMed | 0 / 2 | No PubMed ID and no DOI — scores zero (not stated in the record — scored 0) |
| Free to read | — / 2 | Access not recorded — left out of this score |
| Points | 47 / 62 | Scored on 11 of 20 parts. We have no data for the rest, so they are left out: 47 of the 62 points we could judge it on is 76 out of 100. |
| Total | 76 / 100 | — |
What each of these 20 components measures, and what this score is not →
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Cite this study APA, Vancouver, BibTeX · download .bib or .ris
Built from the record alzhub holds for this paper, not looked up. This record has no DOI, so the citation leaves it out. Volume, issue and page numbers are not held in the record. The record's author list ends in “et al.”, so not every author is named. Check the citation against the original before you use it.
APA 7th
Baker, L. D., et al. (2025). Structured vs Self-Guided Multidomain Lifestyle Interventions for Global Cognitive Function: The US POINTER Randomized Clinical Trial. JAMA.
Vancouver
Baker LD, et al. Structured vs Self-Guided Multidomain Lifestyle Interventions for Global Cognitive Function: The US POINTER Randomized Clinical Trial. JAMA. 2025. PMID: 40720610.
BibTeX
@article{baker2025-f1551689,
author = {Baker, L. D. and others},
title = {{Structured vs Self-Guided Multidomain Lifestyle Interventions for Global Cognitive Function: The US POINTER Randomized Clinical Trial}},
journal = {JAMA},
year = {2025},
pmid = {40720610}
}
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