Differences between self-reported and observed physical functioning in independent older adults

References

• Haley SM, Jette AM, Coster WJ, et al. Late life function and disability instrument. II. Development and evaluation of the function component. J Gerontol A Biol Sci Med Sci 2002;57:M217–22
   PubMed Web of Science ®Google Scholar
• Rikli RE, Jones CJ. Development and validation of criterion-referenced clinically relevant fitness standards for maintaining physical independence in later years. Gerontologist 2013;53:255–67
   PubMed Web of Science ®Google Scholar
• Magaziner J, Zimmerman SI, Gruber-Baldini AL, et al. Proxy reporting in five areas of functional status. Comparison with self-reports and observations of performance. Am J Epidemiol 1997;146:418–28
   PubMed Web of Science ®Google Scholar
• Kelly-Hayes M, Jette AM, Wolf PA, et al. Functional limitations and disability among elders in the Framingham Study. Am J Public Health 1992;82:841–5
   PubMed Web of Science ®Google Scholar
• Kane RL, Kane RA. Assessment in long-term care. Annu Rev Public Health 2000;21:659–86
   PubMed Web of Science ®Google Scholar
• Eekhof J, De Bock G, Schaapveld K, Springer M. Effects of screening for disorders among the elderly: an intervention study in general practice. Fam Pract 2000;17:329–33
   PubMed Web of Science ®Google Scholar
• Melzer I, Kurz I, Sarid O, Jette AM. Relationship between self-reported function and disability and balance performance measures in the elderly. J Rehabil Res Dev 2007;44:685–92
   PubMed Web of Science ®Google Scholar
• Hoeymans N, Wouters ER, Feskens EJ, et al. Reproducibility of performance-based and self-reported measures of functional status. J Gerontol A Biol Sci Med Sci 1997;52:363–8
   PubMed Web of Science ®Google Scholar
• Suzuki T, Bean JF, Fielding RA. Muscle power of the ankle flexors predicts functional performance in community-dwelling older women. J Am Geriatr Soc 2001;49:1161–7
   PubMed Web of Science ®Google Scholar
• Simonsick EM, Newman AB, Nevitt MC, et al. Measuring higher level physical function in well-functioning older adults: Expanding familiar approaches in the Health ABC Study. J Gerontol A Biol Sci Med Sci 2001;56:644–9
   PubMed Web of Science ®Google Scholar
• Sayers SP, Jette AM, Haley SM, et al. Validation of the Late-Life Function and Disability Instrument. J Am Geriatr Soc 2004;52:1554–9
   PubMed Web of Science ®Google Scholar
• Lapier TK. Utility of the late life function and disability instrument as an outcome measure in patients participating in outpatient cardiac rehabilitation: a preliminary study. Physiother Can 2012;64:53–62
   PubMed Web of Science ®Google Scholar
• Hand C, Richardson J, Letts L, Stratford P. Construct validity of the late life function and disability instrument for adults with chronic conditions. Disabil Rehabil 2010;32:50–6
   PubMed Web of Science ®Google Scholar
• Melzer I, Kurz I. Self reported function and disability in late life: a comparison between recurrent fallers and non-fallers. Disabil Rehabil 2009;31:791–8
   PubMed Web of Science ®Google Scholar
• Adegoke BO, Babatunde FO, Oyeyemi AL. Pain, balance, self-reported function and physical function in individuals with knee osteoarthritis. Physiother Theory Pract 2012;28:32–40
   PubMedGoogle Scholar
• Julius LM, Brach JS, Wert DM, VanSwearingen JM. Perceived effort of walking: relationship with gait, physical function and activity, fear of falling, and confidence in walking in older adults with mobility limitations. Phys Ther 2012;92:1268–77
   PubMed Web of Science ®Google Scholar
• Chen MH, Hsieh CL, Mao HF, Huang SL. Differences between patient and proxy reports in the assessment of disability after stroke. Clin Rehabil 2007;21:351–6
   PubMed Web of Science ®Google Scholar
• Rubenstein LZ, Schairer C, Wieland GD, Kane R. Systematic biases in functional status assessment of elderly adults: effects of different data sources. J Gerontol 1984;39:686–91
   PubMedGoogle Scholar
• Cotter EM, Burgio LD, Stevens AB, et al. Correspondence of the functional independence measure (FIM) self-care subscale with real-time observations of dementia patients' ADL performance in the home. Clin Rehabil 2002;16:36–45
   PubMed Web of Science ®Google Scholar
• Jette AM, Ni P, Rasch EK, et al. Evaluation of patient and proxy responses on the activity measure for postacute care. Stroke 2012;43:824–9
   PubMed Web of Science ®Google Scholar
• Daltroy LH, Larson MG, Eaton HM, et al. Discrepancies between self-reported and observed physical function in the elderly: the influence of response shift and other factors. Soc Sci Med 1999;48:1549–61
   PubMed Web of Science ®Google Scholar
• Blalock SJ, DeVellis BM, DeVellis RF, Sauter SVH. Self-evaluation processes and adjustment to rheumatoid arthritis. Arthritis Rheum 1988;31:1245–51
   PubMed Web of Science ®Google Scholar
• Yardley L, Beyer N, Hauer K, et al. Development and initial validation of the Falls Efficacy Scale-International (FES-I). Age Ageing 2005;34:614–19
   PubMed Web of Science ®Google Scholar
• Yesavage JA, Brink TL, Rose TL, et al. Development and validation of a geriatric depression screening scale: a preliminary report. J Psychiatr Res 1983;17:37–49
   Web of Science ®Google Scholar
• van Marwijk HW, Wallace P, de Bock GH, et al. Evaluation of the feasibility, reliability and diagnostic value of shortened versions of the geriatric depression scale. Br J Gen Pract 1995;45:195–9
   PubMed Web of Science ®Google Scholar
• Borenstein M, Cohen J. Statistical power analysis. New Jersey: Lawrence Earlbaum; 1990
   Google Scholar
• Fleiss JL. The design and analysis of clinical experiments. New York: Wiley; 1986
   Google Scholar
• Monti K. Folded empirical distribution function curves—mountain plots. Am Stat 1995;49:342–5
   Web of Science ®Google Scholar
• Domholdt E. Rehabilitation research principles and applications. 3rd ed. St. Louis: Elsevier Saunders; 2005
   Google Scholar
• Rodin J. Aging and health: effects of the sense of control. Science 1986;233:1271–6
   PubMed Web of Science ®Google Scholar
• Rakowski W, Hickey H. Mortality and the attribution of health problems to aging among older adults. Am J Public Health 1992;82:1139–41
   PubMed Web of Science ®Google Scholar
• Ferrer M, Vilagut G, Monasterio C, et al. Measurement of the perceived impact of sleep problems: the Spanish version of the functional outcomes sleep questionnaire and the Epworth sleepiness scale. Med Clin (Barc) 1999;113:250–5
   PubMed Web of Science ®Google Scholar
• Cumming RG, Salkeld G, Thomas M, Szonyi G. Prospective study of the impact of fear of falling on activities of daily living, SF-36 scores, and nursing home admission. J Gerontol A Biol Sci Med Sci 2000;55:M299–305
   PubMed Web of Science ®Google Scholar
• Helson H. Adaptation level theory. New York: Harper & Row; 1964
   Google Scholar
• Breetvelt IS, Van Dam FSAM. Underreporting by cancer patients: the case of response shift. Soc Sci Med 1991;32:981–7
   PubMed Web of Science ®Google Scholar
• Gibbons FX. Social comparison as a mediator of response shift. Soc Sci Med 1999;48:1517–30
   PubMed Web of Science ®Google Scholar