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The risk of multiple sclerosis in nurses: a population-based epidemiological study
Egon Stenager1, Henrik Brønnum-Hansen, Nils Koch-Henriksen
1Danish MS Registry and MS Clinic, Esbjerg, Denmark. est@ribeamt.dk
Multiple Sclerosis (Houndmills, Basingstoke, England)
|June 20, 2003
Summary
This study found no significant difference in the incidence of multiple sclerosis (MS) among nurses between 1980-1996. The observed cases of MS in this large nursing cohort matched expected numbers, suggesting no elevated risk.
Area of Science:
- Epidemiology
- Neurology
- Occupational Health
Background:
- Multiple sclerosis (MS) is a chronic neurological disease.
- Understanding occupational risks for MS is crucial for public health.
- Previous studies on MS incidence in healthcare professionals are limited.
Purpose of the Study:
- To investigate the incidence of multiple sclerosis (MS) in a nationwide cohort of nurses.
- To determine if nurses have a different risk of developing MS compared to the general population.
Main Methods:
- A nationwide cohort study was conducted.
- The study included 69,428 nurses (2,185 men, 67,243 women) from 1980 to 1996.
- Observed MS cases were compared to expected cases using standardized incidence ratios (SIR).
Main Results:
- A total of 60 definite cases of MS were observed (2 men, 58 women).
- The standardized incidence ratio (SIR) for MS in nurses was 0.87 (95% CI, 0.66-1.12).
- No statistically significant difference was found between observed and expected MS cases.
Conclusions:
- The incidence of multiple sclerosis (MS) among nurses in this study was not significantly different from the general population.
- Nursing as an occupation does not appear to confer an increased risk for developing MS.
- Further research may explore specific occupational exposures within nursing.