We surveyed 52 members (5 males, 47 females) of a self-help group for patients with os teoarthritis of the hip (OA) to identify problems, coping behaviors, and risk factors throughout their lives. This was a mail survey using a semi-structured open-ended questionnaire. The age of subjects ranged from 34 to 75 (mean ± SD: 55.5 ±4.3). 1) There were three types of physical problems: "pain", "hip joint performance problems", and "other problems". The coping behaviors were classified as "health management" and "control of daily life activities". Three risk factors were identified: "Excessive participation in social or leisure activities", "history of injury or disease", and "patient character/lifestyle". 2) OA progression was investigated in four life stages: 0-5 yrs, 6-17 yrs, 18-49 yrs, and over 50 yrs of age. 3) Our findings suggest that parents and health professionals should be informed of early childhood OA risk factors. 4) Children 6-17 years old should be checked for physical difficulties other than pain or hip joint performance problems ("other problems"), which necessitate cooperation with school health authorities. 5) From 18-49 yrs, patients should be informed of methods to manage OA, including the need for medical care. It is during this period that patient QOL becomes a concern. 6) Information about lifestyle changes due to OA progression should be provided to friends and family members of OA patients aged 18-49 yrs and over 50 yrs. 7) OA patients over 50 yrs require continuous supervision by medical professionals.
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