Fact · Accessibility and health
20hours per week
In a Danish one-year follow-up of workers, using a mouse for more than 20 hours per week was associated with possible carpal tunnel syndrome.
Checked against its source on October 16, 2026
In the source's own words
“there was an association between use of a mouse device for more than 20 h/wk and risk of possible CTS”
Computer use and carpal tunnel syndrome: a 1-year follow-up study, JH Andersen et al., JAMA, 2003, Abstract, Results.
Open the original (DOI 10.1001/jama.289.22.2963)- What it measures
- The same Danish one-year study. The mouse finding came from both the cross-sectional comparisons and the follow-up analyses.
- What it does not show
- Based on questionnaires and interviews, not nerve tests. The mouse finding came from a single study.