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2004 OCT 7 - (NewsRx.com & NewsRx.net) -- Maintaining a consistent body weight during after menopause offers some protection against development of osteoporosis, study data show.
"Few studies have evaluated risk factors for bone loss in elderly women. We examined risk factors associated with a 5-year longitudinal change in bone mineral density (BMD) at the hip in healthy women aged 75 years and older," said H. Blain and colleagues, Montpellier University Hospital, France.
"The BMD of 276 women from the French EPIDOS (Epidemiologie des Osteoporoses) study was assessed in Montpellier from 1992 to 1993 and again from 1997 to 1998. BMD was measured at the femoral neck, trochanter, and Ward's area using the same Lunar densitometer," according to the researchers' report.
They also "examined the relationship between clinical and behavioral factors at baseline and their variations during follow-up, with percentage BMD change adjusted for baseline BMD."
Blain and coauthors reported that "[d]epending on the femur subregion studied, a significant decrease in BMD (exceeding the least significant difference, i.e., > 2.8 CV) was observed in 36.2% to 51.1% of women. Multivariate analysis showed that both postmenopausal weight change before baseline and baseline percentage of fat mass were positively correlated with BMD change at the Ward's triangle and the trochanter."
"Yearly absolute and relative weight changes over the follow-up period were ...