The MOBILIZE Boston Study: Design and Methods of a Prospective Cohort Study of Novel Risk Factors for Falls in an Older Population

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The MOBILIZE Boston Study: Design and Methods of a Prospective Cohort Study of Novel Risk Factors for Falls in an Older Population

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Title: The MOBILIZE Boston Study: Design and Methods of a Prospective Cohort Study of Novel Risk Factors for Falls in an Older Population
Author: Roman, Anthony; Gagnon, Margaret; Freeman, Marcie; Leveille, Suzanne G.; Kiel, Douglas P.; Jones, Richard Norman; Hannan, Marian T.; Sorond, Farzaneh A.; Kang, Hyun G.; Samelson, Elizabeth J.; Lipsitz, Lewis Arnold

Note: Order does not necessarily reflect citation order of authors.

Citation: Leveille, Suzanne G., Douglas P. Kiel, Richard N. Jones, Anthony Roman, Marian T. Hannan, Farzaneh A. Sorond, Hyun G. Kang, et al. 2008. The MOBILIZE Boston study: Design and methods of a prospective cohort study of novel risk factors for falls in an older population. BMC Geriatrics 8: 16.
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Abstract: Background: Falls are the sixth leading cause of death in elderly people in the U.S. Despite progress in understanding risk factors for falls, many suspected risk factors have not been adequately studied. Putative risk factors for falls such as pain, reductions in cerebral blood flow, somatosensory deficits, and foot disorders are poorly understood, in part because they pose measurement challenges, particularly for large observational studies. Methods: The MOBILIZE Boston Study (MBS), an NIA-funded Program Project, is a prospective cohort study of a unique set of risk factors for falls in seniors in the Boston area. Using a door-to-door population-based recruitment, we have enrolled 765 persons aged 70 and older. The baseline assessment was conducted in 2 segments: a 3-hour home interview followed within 4 weeks by a 3-hour clinic examination. Measures included pain, cerebral hemodynamics, and foot disorders as well as established fall risk factors. For the falls follow-up, participants return fall calendar postcards to the research center at the end of each month. Reports of falls are followed-up with a telephone interview to assess circumstances and consequences of each fall. A second assessment is performed 18 months following baseline. Results: Of the 2382 who met all eligibility criteria at the door, 1616 (67.8%) agreed to participate and were referred to the research center for further screening. The primary reason for ineligibility was inability to communicate in English. Results from the first 600 participants showed that participants are largely representative of seniors in the Boston area in terms of age, sex, race and Hispanic ethnicity. The average age of study participants was 77.9 years (s.d. 5.5) and nearly two-thirds were women. The study cohort was 78% white and 17% black. Many participants (39%) reported having fallen at least once in the year before baseline. Conclusion: Our results demonstrate the feasibility of conducting comprehensive assessments, including rigorous physiologic measurements, in a diverse population of older adults to study non-traditional risk factors for falls and disability. The MBS will provide an important new data resource for examining novel risk factors for falls and mobility problems in the older population.
Published Version: doi:10.1186/1471-2318-8-16
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2500010/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:4738028

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