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[Impact of risk factors for osteoporosis on bone mineral density in perimenopausal women of the City of Querétaro, México].

It is essential to evaluate osteoporosis risk factors, mainly the modifiable, like the lifestyle, in Mexican women in order to prevent it, since it is a serious public health problem. We studied 805 women (35-55 years old) in the City of Queretaro, México. We obtained: personal data, family history, habits, such as smoking, alcohol, caffeine (coffee and soft drink of cola) and physical activity. Participants complete the questionnaire on 19 risk factors for osteoporosis (International Osteoporosis Foundation) one of them with risk. We evaluated: body mass index (BMI), cardiovascular risk and corporal complexion. Bone densitometry was performed in two diagnostic regions: lumbar spine and total hip and participants were classified as normal bone mass density (BMD), low BMD and osteoporosis. The prevalence of osteoporosis was 7% and of low BMD was 34%, predominantly in the lumbar region and in those with menopause. In osteoporotic women, the age was higher (51 years) and 85% menopausal women, also lower values of weight, height, BMI, waist circumference and hip than women with normal bone mass density. The significantly modifiable risk factors were: low weight, smoking and consumption of soft drink of cola with 6,5, 1,2 and 1,4 (odds ratio), respectively (p < 0.05). The significantly non-modifiable risk factors were: menopause (surgical), history of fracture and risk. It is concluded that within the modifiable risk factors for the prevention ofosteoporosis, those with the greatest impact were low weight, cigarette and soft drink of cola.