Obesity and Osteoarthritis: A 10-Year Study
Author Information
Author(s): Grotle Margreth, Hagen Kare B, Natvig Bard, Dahl Fredrik A, Kvien Tore K
Primary Institution: National resource centre for rehabilitation in rheumatology, Dept. of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway
Hypothesis
High BMI is a significant risk factor for OA in the weight bearing joints (hips and knees), whereas we expected no significant association with hand OA.
Conclusion
A high BMI was significantly associated with knee OA and hand OA, but not with hip OA.
Supporting Evidence
- Obesity was significantly associated with knee OA with an odds ratio of 2.81.
- Obesity was also significantly associated with hand OA with an odds ratio of 2.59.
- No significant association was found between obesity and hip OA.
Takeaway
Being overweight can make your knees and hands hurt more, but it doesn't seem to affect your hips.
Methodology
A prospective cohort study with 1675 participants followed for 10 years, assessing OA through self-reported diagnoses.
Potential Biases
Potential bias due to self-reported BMI and OA diagnoses.
Limitations
The study relied on self-reported diagnoses of OA, which may not capture all cases, and had a lower response rate among certain demographics.
Participant Demographics
Participants aged 24–76 years, with a mean age of 41.8 years, predominantly women (943 out of 1675).
Statistical Information
P-Value
0.001
Confidence Interval
95% CI
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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