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The Study

Association between frequency of meeting daily step thresholds and all-cause mortality and cardiovascular disease in older women

In simple terms

This study shows a link between walking more days per week and living longer or having fewer heart problems in older women, but it can't prove that walking on certain days caused these benefits. It's like noticing that people who eat apples are healthier, but not knowing if apples made them healthy or if healthy people just eat more apples.

53%

Analysis score

53/ 72

Maximum 72 for a cohort study.

Where the score came from

Reporting0
Methodology56
Publication100
Statistical54
Study type (basis of the score)
Cohort Study
Level 2b - Individual cohort study
What’s the bottom line?

This study looked at how often older women walk a lot in a day and whether it helps them live longer and stay healthy. It found that even walking 4,000 steps just 1–2 days a week helps, but what really matters is how many steps they take overall each day.

Where does this study sit?

Reviews of RCTs (Meta-analyses)

Max 100

Randomized Trials

Max 90

Reviews of Cohort Studies

Max 85

Cohort Studies

Max 72

Reviews of Case-Control Studies

Max 63

Case-Control Studies

Max 58

Cross-Sectional & Case Series

Max 50

Expert Opinion

Max 5
StrongerWeaker
Cohort Studies
Level 2b
53

53 / 100

Quality score

Groups of people are followed over time to see who develops an outcome. Strong for identifying risk factors and associations, but cannot prove causation as firmly as RCTs.

Cannot establish causation

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Key takeaways

Summary

Based on the study abstract and findings.

  1. 1Yes, the result is meaningful: older women don’t need to walk every day to get health benefits—just getting steps adds up.
  2. 2But they should aim for around 7,000 steps a day for maximum benefit.
  3. 3Women who walked at least 4,000 steps 1–2 days a week had a 26% lower chance of dying and 27% lower chance of heart disease.
  4. 4More steps (up to 7,000/day) meant even better protection.
  5. 5But if two women take the same number of steps in a week, it doesn’t matter if one walks every day and the other only a few days.

Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data

Publication

Journal

British Journal of Sports Medicine

Year

2025

Authors

R. Hamaya, Kelly R. Evenson, Daniel E. Lieberman, I-Min Lee

Open Access
Analysis v5
Fit Body Science verdict — we translate health studies into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.