| Objective:Base on the prevalence survey of meizhou middle-aged and elderly women osteoarthritis, find out meizhou middle-aged and elderly women osteoarthritis prevalence characteristic, risk factors and provide all kinds of possible risk factors. For health education and reduce disability prevention measures to provide the basis. In order to further improve meizhou area middle-aged and elderly women osteoarthritis epidemiological data provide reference.Methods:Meizhou local registered permanent residence, live for a long time(≥10 years), age≥40 years old woman and disease, whether or not limited to. The survey, based on informed consent, implementing cross-sectional field investigation. From September 2009-2010 year in March, random from Meizhou city, suburban and rural in the 1144 survey were collected. Uniform filled out the "questionnaire of osteoarthritis" and entered the data into a database SPSS13.O statistical software to carry outχ2 test or rank sum test and single-factor, multi-factor non-conditional Logistic regression statistical analysis.Results:1.In this survey, the prevalence of OA in older women is 45.10%. Standardized prevalence rate of 39.27% urban, rural 49.11%, rural OA prevalence was significantly higher than urban women (P=0.0000). Comparison of urban and rural areas of different ages,40-year-old,50-year-old age group the prevalence in rural than urban (P<0.05),60 years old age group the prevalence of OA was no significant difference between urban and rural areas (P> 0.05). Overall prevalence was higher tendency to increase with age.2.Meizhou city of middle-aged women involved joints had the highest prevalence of knee 22.66%, followed by 16.82% for the lumbar spine, hand joints 8.18%,3.97% hip; joint involvement in rural areas had the highest prevalence of knee 30.45%, followed by the 26.12% for the lumbar spine, hand joints 13.41%,12.85% hip; knee, lumbar spine, hand joints, hip joints prevalence in rural areas than urban (P<0.001).3.Aging was a risk factor for OA of the (B=0.816 P=0.000 OR=2.225 95% CI FOR OR=1.764-2.757). 4.Body mass index was positively correlated with the incidence of OA, obesity was a risk factor for OA (B= 2.506 P=0.000 OR=12.252 95% CI FOR OR=4.330-34.670).5.Agriculture, forestry, fishery, animal husbandry, water conservancy industry production personnel OA prevalence rate (55.80%) higher than in other occupations (other than the retired and other things) (P<0.0023). OA is a middle-aged professional women, the risk factors (B=0.190 P=0.002 OR=1.210 95% CI FOR OR =1.071-1.366). Working posture and OA-related, weight-bearing, special positions (such as bending over or crawling posture) increased the risk of OA in older women (B=0.223 P=0.000 OR=1.250 95% CI FOR OR =1.112-1.406).6.OA family history of middle-aged women with OA prevalence rate (67.11%) higher than non-OA family history (39.72%) of women (P=0.0000). OA was the OA family history risk factors (B=1.063 P=0.000 OR =3.368 95% CI FOR OR=2.936-4.793)7.A history of joint trauma prevalence rate (82.46%) higher than in those without a history of joint trauma prevalence (P=0.0000), joint injury was a middle-aged women in OA risk factors (B=1.804 P=0.000 OR= 6.725 95% CI FOR OR=3.743-7.754)8.Prevalence of OA in postmenopausal women (63.81%) higher than in non-menopausal women (29.24%) (P =0.0000), menopause was a risk factor for OA of women (B=0.672 P=0.003 OR=1.959 95% CI FOR OR =1.259-3.050)9.OA group of drugs, food allergy history positive rate was significantly higher than non-OA group (P= 0.0000), drugs, food allergies increased the risk of OA risk (B=1.771 P=0.000 OR=5.874 95% CI FOR OR =3.261-10.581).10.Food legumes, nutritional condition and edible vegetable oils were middle-aged women in OA of the protective factors. Regular consumption of soy foods (OR=0.268), nutritional status (OR=0.522), and edible vegetable oil (OR=0.724) reduced the risk of OA in older women.Conclusions:l.Meizhou City, the prevalence of OA in middle-aged and elderly women was 45.10%, rural areas (49.11% after standardized) higher than urban (39.27% after standardized). The prevalence of knee OA different parts of OA (27.53%) the most common, followed by the lumbar spine OA (22.64%), hand OA (11.45%), hip OA (9.53%).2.Age growth of the middle-aged and elderly women was OA risk factors, elderly people suffering from OA risk were 2.225 times than younger age groups. 3.Body mass index and incidence of OA was related to obesity risk of suffering from OA of 12.252 times than non-obese people.4.Agriculture, forestry, fishery, animal husbandry, water conservancy industry production personnel prevalence rate (55.34%) higher than other occupational groups (P<0.0023), multi-factor analysis showed that employment (OR=1.210) and the load, and special working posture (OR=1.250) increase in the risk of OA.5.OA family history was the risk factors of OA, OA positive family history the risk of people suffering from OA is 3.638 times the negative population.6.History of joint trauma patients positive population was easier to OA, the risk of suffering from OA is 6.725 times than negative population.7.Postmenopausal women with OA prevalence rate was 1.959 times than the non-menopausal women, menopause was a risk factor for OA.8.Food, drug allergy history was a middle-aged women in OA risk factors (OR=5.874)9.Food legumes, nutritional condition and edible vegetable oils were middle-aged women in OA of the protective factors. Analysis showed that regular consumption of soy foods (OR=0.268), nutritional status (OR =0.522), and edible vegetable oil (OR=0.724) to reduce the risk of OA in older women.
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