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Rheumatology (Oxford). 2009 Jan;48(1):83-7. doi: 10.1093/rheumatology/ken427.

Risk factors for the development of hip osteoarthritis: a population-based prospective study.

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  • 1Department of Physical and Rehabilitation Medicine, Mikkeli Central Hospital, Mikkeli, Finland. riikka.juhakoski@esshp.fi

Abstract

OBJECTIVES:

Potential risk factors and their roles in the aetiology of hip OA are poorly understood. We analysed several alleged risk factors predisposing to hip OA in a 22-yr prospective study.

METHODS:

A comprehensive health survey was carried out in 1978-80 in a nationally representative sample of adult Finns. In 2000-01, 1286 participants in that survey were invited for re-examination, and 909 agreed to participate. After excluding those with hip OA at the baseline and those who were no longer working, a total of 840 subjects constituted the present study population. Hip OA was diagnosed on the basis of a standardized clinical examination by physicians who applied uniform criteria both at the baseline and at the re-examination phase.

RESULTS:

After 22 yrs of follow-up, hip OA was diagnosed in 41 subjects (4.9%). Heavy manual labour predicted the risk of developing hip OA [adjusted odds ratio (OR) 6.7; 95% CI 2.3, 19.5]. Permanent damage as a consequence of any musculoskeletal injury was also an independent predictor of hip OA (adjusted OR 5.0; 95% CI 1.9, 13.3). BMI, smoking, alcohol intake and leisure time physical activity were not factors which were predictive for hip OA.

CONCLUSION:

Heavy physical stress at work and major musculoskeletal injuries are associated with an increased risk of developing clinically diagnosed hip OA.

[PubMed - indexed for MEDLINE]
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