J Gerontol A Biol Sci Med Sci 57:M473–M478PubMed 8. Leipzig RM, Cumming RG, Tinetti ME (1999)

Drugs and falls in older people: a systematic review and meta-analysis: I. Psychotropic drugs. J Am Geriatr Soc 47:30–39 9. Nevitt MC, Cummings SR, Kidd S, Black D (1989) Risk factors for recurrent nonsyncopal falls. A prospective study. JAMA 261:2663–2668 10. Tinetti ME, Speechley M, Ginter SF (1988) Risk factors for falls among elderly persons living in the community. N Engl J Med 319:1701–1707PubMed 11. Studenski S, Duncan PW, Chandler J, Samsa G, Prescott B, Hogue C, Bearon LB (1994) Predicting falls: the role of mobility and nonphysical factors. J Am Geriatr Soc 42:297–302PubMed 12. Rubenstein LZ, Josephson KR (2002) The epidemiology of falls and syncope. Clin Geriatr Med 18:141–158CrossRefPubMed 13. Dunn JE, Rudberg MA, Furner SE, Selonsertib mw Cassel CK (1992) Mortality, disability, and falls in older persons: the role of underlying disease and disability. selleck Am J Public Health 82:395–400CrossRefPubMed 14. Schwartz AV, Nevitt MC, Brown BW Jr, Kelsey JL (2005) Increased falling as a risk factor for fracture among older women: the study of osteoporotic fractures. Am J Epidemiol

161:180–185CrossRefPubMed 15. Lamb SE, Jorstad-Stein EC, Hauer K, Becker C (2005) Development of a common outcome data set for fall injury prevention trials: the Prevention of Falls Network Europe consensus. J Am Geriatr Soc 53:1618–1622CrossRefPubMed 16. Bailey IL, Lovie JE (1976) click here New design principles for visual acuity letter charts. Am J Optom Physiol Opt 53:740–745PubMed 17. Ginsburg AP (1984) A new contrast sensitivity vision test chart. Am J Optom Physiol Opt 61:403–407PubMed 18. Gibson JJ (1950) The perception of visual surfaces. Am J Psychol 63:367–384CrossRefPubMed

next 19. Folstein MF, Robins LN, Helzer JE (1983) The Mini-Mental State Examination. Arch Gen Psychiatry 40:812PubMed 20. Pincus T, Summey JA, Soraci SA Jr, Wallston KA, Hummon NP (1983) Assessment of patient satisfaction in activities of daily living using a modified Stanford Health Assessment Questionnaire. Arthritis Rheum 26:1346–1353CrossRefPubMed 21. May D, Nayak US, Isaacs B (1985) The life-space diary: a measure of mobility in old people at home. Int Rehabil Med 7:182–186PubMed 22. Paffenbarger RS Jr, Hyde RT, Wing AL, Hsieh CC (1986) Physical activity, all-cause mortality, and longevity of college alumni. N Engl J Med 314:605–613PubMed 23. Liang KY, Zeger SL (1986) Longitudinal data analysis using generalized linear models. Biometrika 73:13–22CrossRef 24. Gelman A (2008) Scaling regression inputs by dividing by two standard deviations. Stat Med 27:2865–2873CrossRefPubMed 25. Coleman AL, Stone K, Ewing SK, Nevitt M, Cummings S, Cauley JA, Ensrud KE, Harris EL, Hochberg MC, Mangione CM (2004) Higher risk of multiple falls among elderly women who lose visual acuity. Ophthalmology 111:857–862CrossRefPubMed 26.