Korean J Health Promot.  2016 Sep;16(3):145-152. 10.15384/kjhp.2016.16.3.145.

Factors Associated with Knee Pain with Different Grades of Knee Osteoarthritis among Korean Adults Aged 50 Years or More

Affiliations
  • 1Department of Family Medicine, Dankook Univeristy Hospital, Dankook University College of Medicine, Cheonan, Korea. choiey0410@gmail.com

Abstract

BACKGROUND
Discordance between knee pain and radiologic osteoarthritis is well-known. This study was to investigate factors associated with knee pain with different grades of knee osteoarthritis among Korean adults aged 50 years or more.
METHODS
Total 5,978 Korean aged 50 years or more who underwent the radiographs of the knees were analyzed from Korean National Nutrition and Health Examination Survey conducted in 2010-11. Radiographs of the knees were scored for osteoarthritis using the Kellgren-Lawrence scale. Multivariate logistic regression analysis adjusting for sociodemographic factors, lifestyle factors, comorbidity and health status was used for analysis.
RESULTS
The prevalence of knee pain was higher in female compared to that of male (P<0.001), and increased as increasing severity of radiologic knee osteoarthritis. Female was associated with increased risk of knee pain in all of Kellgren-Lawrence degrees. In most of Kellgren-Lawrence degrees, depression was associated with increased risk of knee pain, and those with high school diploma or higher were associated with decreased risk of knee pain. A few factors (age, body mass index, and no alcohol drinking) were also associated with increased risk of knee pain for particular grades of radiographic knee osteoarthritis.
CONCLUSIONS
Knee pain increased as increasing severity of radiologic knee osteoarthritis. Although there were differences of risk factors associated with knee pain with different grades of knee osteoarthritis, female, depression were associated with increased of knee pain, and those with high school diploma or higher were associated with decreased risk of knee pain in most of Kellgren-Lawrence degrees.

Keyword

Osteoarthritis; Knee; Pain; Nutrition surveys

MeSH Terms

Adult*
Body Mass Index
Comorbidity
Depression
Female
Humans
Knee*
Life Style
Logistic Models
Male
Nutrition Surveys
Osteoarthritis
Osteoarthritis, Knee*
Prevalence
Risk Factors
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