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The association between ambulatory activity, body composition and hip or knee joint replacement due to osteoarthritis: a prospective cohort study
Walking activity and body weight linked to hip or knee joint replacement for osteoarthritis
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Abstract
Over 13 years, 6.8% of participants had a knee replacement and 4.7% had a hip replacement due to osteoarthritis.
- Higher ambulatory activity is associated with an increased risk of knee replacement at a rate of 1.09 per 1000 steps per day.
- Higher ambulatory activity is associated with a reduced risk of hip replacement at a rate of 0.90 per 1000 steps per day.
- Body mass index is linked to a higher risk of knee replacement at a rate of 1.07 per kg.
- Total fat mass is associated with a higher risk of knee replacement at a rate of 1.03 per kg.
- Trunk fat mass is associated with a higher risk of knee replacement at a rate of 1.05 per kg.
- Waist circumference is associated with a higher risk of knee replacement at a rate of 1.02 per cm.
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