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Population study: followed a group

Study that followed 78,500 UK adults: more daily steps linked to lower death risk

Del Pozo Cruz and colleagues · JAMA internal medicine · 2022

Original title: Prospective Associations of Daily Step Counts and Intensity With Cancer and Cardiovascular Disease Incidence and Mortality and All-Cause Mortality.

Under review. A person has not yet checked this summary against the paper. It is written from the PubMed abstract. Until a person checks it, search engines are asked not to list this page.

What the study found

Points to benefit

More daily steps went with lower risk of death from any cause, heart disease and cancer (all cause MRC -0.08) for up to about 10 000 steps. There were 2179 deaths.

The study at a glance

Type of study
Population study: followed a group
Who or what was studied
78,500 people · UK adults aged 40 to 79 in a large health study
What was tested
Wore a wrist movement sensor, then followed for about 7 years for deaths, cancer and heart disease
What it measured
The question itself: death from any cause
Who has a stake
No stake declared
Conflict of interest: none reported.
Journal
JAMA internal medicine, 2022
Source
PubMed record 36094529. This page is based on the abstract only.

How much this study counts

  • –Shows a link, not a cause: people chose their own habits, and other differences between them may explain the result.
  • ✓Followed people over time, so habits were recorded before the outcome happened.
  • ✓Large: 78,500 people.
  • ✓Measured the question itself: death from any cause.
  • ✓No competing interests declared.
  • •Summarized from the PubMed abstract only. The full paper may hold details the abstract leaves out.

✓ Strength– Limit• Note

These points come from fixed rules about the type of study, its size and length, what it measured, and who has a stake. Every study on Digestery gets the same rules.

Where this study sits

Each dot is one on-topic paper on this question. Steps near the top answer the question more directly.

↑ Stronger evidence

  1. Trials in people: death from any cause

    0

    Not done yet. This is the step that would answer the question.

  2. Trials in people: other measures

    0

    None among the papers we read.

  3. Trials in people: lab tests or safety

    0

    None among the papers we read.

  4. Population studies

    10

    9 benefit, 1 no difference

    ↑ This study is the ringed dot

  5. Blood levels and genes

    0

    None among the papers we read.

↓ Weaker evidence

  • Points to benefit
  • Mixed
  • No difference
  • No direction
  • Points to harm

How it fits with the other research

The short answer to “How many steps a day lower the risk of early death?”

About 6,000 to 10,000 steps; fewer if older.

Confidence: low. Based on 17 on-topic papers.

Read the full answer

Of the other 9 papers on the same step: 8 benefit, 1 no difference. This one found benefit. It agrees with most of them.

Other papers on the same step

See all 17 studies on this question

How this page was made

Label

First read of the abstract
Claude Sonnet
Independent second read
Claude Haiku
Differences settled
The two reads agreed on every checked field. Claude Opus 5.5.
Headline
Claude Sonnet, from the checked study record. A script checked its numbers and wording.
Numbers
Checked against the abstract by a script
“How much this study counts”
Fixed rules, the same for every study
Source check by a person
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