Knee Pain and Obesity in Older Adults
Author Information
Author(s): Clare Jinks, Kelvin Jordan, Peter Croft
Primary Institution: Keele University
Hypothesis
Does excess weight influence the onset and progression of knee pain in older adults?
Conclusion
Obesity significantly contributes to severe disabling knee pain in older adults, suggesting that weight management could reduce future disability.
Supporting Evidence
- Obesity predicted the onset of severe knee pain with a relative risk of 2.8 compared to normal BMI.
- 19% of new cases of severe knee pain could be avoided by reducing BMI by one category.
- The incidence of severe knee pain was 31% in the obese group compared to 23% in the normal weight group.
Takeaway
If older people lose weight, they might not get knee pain as often. This study shows that being overweight can make knee pain worse.
Methodology
A prospective cohort study involving 5784 older adults who completed surveys about knee pain and BMI over three years.
Potential Biases
Potential confounding factors such as medication use and physical activity were not fully accounted for.
Limitations
The study relied on self-reported data for BMI and knee pain, which may underestimate true associations.
Participant Demographics
Participants were aged 50 and over, with a majority being female (56%) and predominantly of white UK/European origin.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI 1.8, 4.5
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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