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United States Osteoarthritis Initiative, A Knee Health Study

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General Info
Provider 
OAIOnline
Microdata access: Register
Geography 
United States of America (USA)
Coverage type 
Country
Time period covered 
02/2004 - present
Series or system 
United States Osteoarthritis Initiative, A Knee Health Study
Data type
Intervention study:
  • Exam
  • Individual
  • Interview
  • Longitudinal
Summary 

The United States Osteoarthritis Initiative, A Knee Health Study (OAI) is a longitudinal clinical trial that provides information on the progression of knee osteoarthritis in 4,796 men and women age 45-79. Participants of OAI were enrolled at four clinical centers in the United States between February 2004 and May 2006. The criteria for inclusion in the OAI study were persons who had symptomatic knee osteoarthritis at the time of enrollment, or who were at risk of developing the condition. 

OAI questionnaire measures included: SF-12 general health, demographics, employment, health care use, knee symptoms, daily activities and physical function, development of and current disability, medication, health behaviors, and osteoarthritis risk factors.

OAI exam measures included: Blood and urine collection, anthropometry, hand and knee examinations, blood pressure and heart rate readings, MRI, X-ray, DXA (bone mineral density), and physical activity performance measures.

Keywords 
Absenteeism, Adverse effects of medical treatments, Alcohol use, Analgesics, Anthropometry, Asthma, Back pain, Blood pressure, Blood tests, Body mass index, Breast cancer, COPD, Calcium, Caloric intake, Cancers, Cervix uteri cancer, Chronic kidney diseases, Cirrhosis of the liver, Colon and rectum cancers, Dairy products, Diabetes, Dietary protein, Drug consumption, Employment, Ethnicity, Falls, Folic acid supplements, Fruits, General surgery, Genetic risk factors, Gout, Health care use, Health insurance, Health status, Height, Hormone replacement therapy, Hysterectomy, Income, Injections, Injuries, Insulin, Iron, Iron supplements, Ischemic heart disease, Legumes, Limited mobility, Marital status, Meat, Medical tests, Medicines, Menstruation, Mental health diagnostic interview, Mental health symptoms, Micronutrient supplements, Micronutrients, Milk, Mobility aids, Musculoskeletal diseases, Nutrition, Oral conditions, Osteoarthritis, Pain, Parents, Physical activity, Pregnancy, Prescriptions, Processed meats, Prostate cancer, Pulse, Rheumatoid arthritis, SF-12, Siblings, Skin cancers, Starchy vegetables, Sugar-sweetened beverages, Symptoms, Tobacco smoking, Traditional medicine, Transplants, Urine tests, Vegetables, Vitamin D supplements, Weight, X-rays, Zinc
GHDx Entry last modified on: Aug 5, 2021