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THE IMPACT OF FEAR OF FALLING ON FUNCTIONAL INDEPENDENCE Dr. Katherine Lawson, Ph.D., OTR, LMSSW

THE IMPACT OF FEAR OF FALLING ON FUNCTIONAL INDEPENDENCE Dr. Katherine Lawson, Ph.D., OTR, LMSSW Dr. Eugenia C. Gonzalez, Ph.D., OTR The University of Texas at El Paso Occupational Therapy College of Health Sciences 2013 Mountain Central Conference November 7 – 10, 2013.

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THE IMPACT OF FEAR OF FALLING ON FUNCTIONAL INDEPENDENCE Dr. Katherine Lawson, Ph.D., OTR, LMSSW

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  1. THE IMPACT OF FEAR OF FALLING ON FUNCTIONAL INDEPENDENCE Dr. Katherine Lawson, Ph.D., OTR, LMSSW Dr. Eugenia C. Gonzalez, Ph.D., OTR The University of Texas at El Paso Occupational Therapy College of Health Sciences 2013 Mountain Central Conference November 7 – 10, 2013

  2. Mary Angelina Lawson 9-10-1922 10-27-2008 Geneva, N.Y. Captain Army Nurse Corp

  3. Objectives 1. Participants will be able to discuss how fear of falling influences an older adult’s functional level. 2. Participants will be able to discuss the value of an Interdisciplinary approach for future fall prevention programs. 3. Participants will be able to discuss the importance of addressing fear of falling in the MOT academic curriculum for the older adult population.

  4. A Growing Public Health Crisis WHY ARE FALLS AMONG THE ELDERLY SIGNIFICANT? • One out of three older adults (> 65) falls each year. • 75% of fatal falls occur in this population. • 35-40% of non-institutionalized adults fall each year • This number increases to 50% for those 75 and older. (CDC, 2013)

  5. Relevance • 13% of the US population are 65 or older • Census Data • There was a 15.1% increase in number of older adults from 2000 to 2010. • By 2050, population of 65 and older is expected to double to 71 million

  6. EXTRINSIC RISK FACTORS Hospital discharge Environmental conditions Hx. of falls Clothing and footwear Home safety Walking aids Assistive devices

  7. INTRINSIC RISK FACTORS Muscle weakness Cognitive Balance and gait Visual Impairments ADL’s Medications Age Disease Living alone Nutrition Psychological Gender

  8. Consequences of Falls • Loss of Life • Physical Disability • Emotional / Psychological Impact • Financial

  9. Economic Impact of Falls Falls among older adults account for 1.5 – 2 million ER visits per year 350,000 – 400,000 of those visits result in hospitalization Fall related injury is one of the 20 most expensive medical conditions for non-institutionalized older adults According to Medicare, cost per fall ranges from $9,113-$13,507 By 2020, the annual cost of fall injuries is projected to be $54.9 billion (Englander, Hodson, & Terregrossa, 1996).

  10. Falls Effect on Well-Being Health Physical Psychological

  11. Fear of Falling An increased pre-occupation with anticipated falls when engaged in activities of daily living and social participation (Zijlstra, Haastregt, Rossum, et al. 2003)

  12. Fear of falling • 1/3 to 1/2 of older adults acknowledge fear of falls • Fear of falling is associated with: • depression • decreased mobility and • decreased social activity • increased frailty • increased risk for falls as a result of deconditioning

  13. Hypothesized Path to Falling • Decreased physical activityhas a positive correlation to increased falls (Zijlstra, Haastregt, Rossum, et al. 2003). • Decreased level of confidenceleads to restricted social participation. • Up to 50% of people who fear falling restrict or eliminate social and physical activities because of that fear (Tinetti, Speechley & Ginter, 1998).

  14. The association between fear of Falling and Functional Independence • Decrease in activity level • Increased debility • Loss of independence with ADL Researchers have hypothesized that this chain of events is what increases the risk of further falls (Arfken, Lach, Birge, et al., 1994) .

  15. Meta-analysis Risk of falls and ADL function The odds ratio of increased falls associated with disturbances in performance of ADL was 2.28 (95% C.I. = 2.10 – 2.48) Reduced capability of performing ADL is associated with increased risk of falls. (Bloch, Thibaud, Dugue et. al., 2010)

  16. Who has Fear of Falling • Fallers - a recent fall is a known cause for developing a fear of falling • Non-Fallers - Fear of falling is also prevalent among non-fallers. (Vellas BJ, Wayne SJ, Romero LJ et al., 1997)

  17. Research Question 1: Research Question 1: Is fear of falling correlated to dependence with activities of daily living for older community dwelling adults receiving home health services? Hypothesis 1: Fear of falling will be associated with decreased participation in activities of daily living.

  18. Research Question 2: • Research Question 2: How much does fear of falling contribute to the risk of falls compared to other known fall risk factors? • Hypothesis 2: Fear of falling will be found to be significantly correlated to falls compared to other known fall risk factors.

  19. Measures • KATZ ADL-staircase (Iwarsson, 1998) Observation of person’s ability to perform P-ADL = (bathing, grooming, toileting, transfers, feeding, and dressing) I-ADL = (cooking, laundry, light house cleaning) • Falls Efficacy Scale (Tinetti, Richman & Powell, 1990) Self-reported confidence of performing ADL without falling • Fear of Falling Self-reported perceived susceptibility and perceived severity of falling.

  20. Procedures • Two hour home visit: • Completed Self-Report Measures • FES Measurement • Fear of Falling • Completed Skill Observations • KATZ ADL-staircase Measurement • Summarized findings of assessment and reviewed Risk Reduction Brochures.

  21. A Step-wise Multiple Regression Does fear of falling contribute to theprediction of functional independence beyond that of known fall risk factors. Variables entered into the analysis: falls reported for the past three years, gender, number of medications, age, FES, self-reported fear of falling,and number of diagnoses.

  22. Results: Hypothesis 1 • Model 1 = subjective reported fear of falling • [F = 47.13 (1, 97), p = .000, R2 = .33] • Model 2 = subjective reported fear of falling, FES • [F = 31.27 (2, 96), p = .000, R2 = .39] • Model 3= subjective reported fear of falling, FES,& age • [F =24.88 (3, 95), p = .000, R2 = .44] • Model 4= subjective reported fear of falling, FES, age,&number of medications • [F =20.70 (4, 94), p = .000, R2 = .47]

  23. Results: H2 Number of diagnoses and gender contributed to the prediction of falls reported over the past three years [F = 11.3 (2, 96), p = .000, R2 = .19] The final model accounted for 19% of the variance. The addition of gender only slightly increased R2 from .15 with number of diagnoses to .19 with number of diagnoses and gender.

  24. Exploratory Path Analysis Variables included in the path analysis: • Number of diagnoses • FES score • Reported Fear of Falling • Age • Gender • Number of prescribed medications • Frequency of falls over the past three years

  25. Reduced Model after Analysis

  26. Implications for Occupational Therapy Practice Conclusions • Consistent with past findings, participants who scored above a 70 on the FES showed an increased level of dependence on the KATZ ADL-staircase. Asking participants about fear of falling directly as well as about their perceived susceptibility and perceived severity added to our understanding of what contributes to a person’s functional independence. The FES and subjective reported fear of falling added predictive value to understanding the participants’ functional independence. Although these two variables were significantly correlated, their correlation was low. This would suggest that the subjective question about fear of falling and the FES tap into different aspects of this emotional response.

  27. Implications for Occupational Therapy Practice Conclusions • The results of the first hypothesis demonstrated that fear of falling did not influence number of falls. Upon further analysis of the data, falls were found to be correlated to number of diagnoses, number of medications, advancing age and one's gender. This was of interest given that a majority of older adults in this study reported that they had fallen while performing activities of daily living and they feared future fall occurrences. However, performing ADL as part of the assessment for this study is not representative of how they would perform these activities without the occupational therapist standing by for their safety. This may have biased their performance thereby masking the extent to which fear of falling could be related to number of falls.

  28. Limitations • Recruitment strategy: Participants were recruited from home-health patients served by two local agencies. Therefore this was not a random sample recruited from the general population. • Home-health patients: Their health was already compromised and therefore may not be representative of community dwelling adults in general. • The fact that their health was already compromised may have influenced their sensitivity to fear of falling. It was especially interesting to note that a fall occurrence was rarely the reason for referral for these participants despite the fact that the majority of them reported more than one fall in the past three years.

  29. Limitations • Participants may have demonstrated greater independence when performing activities of daily living during the assessment because they were completing these tasks in the presence of a certified occupational therapist that used a gait belt during all observations. • This creates a methodological challenge for future studies assessing the relationship between fear of falling and observed ADL performance. Findings reported from past studies were primarily based on a self-reported level of function rather than objective measures of functional performance.

  30. Implications for Occupational Therapy Practice • Due to the high number of deaths among adults as a result of falls, the Center for Disease Control has made it a priority to challenge medical disciplines to implement fall intervention programs with documented effectiveness (Healthy People 2020). • This challenge is especially relevant to the field of occupational therapy because the discipline strives to influence occupational performance throughout a person's lifespan.

  31. Implications for Occupational Therapy Practice • Occupational therapist are in a unique position to address both the psychosocial components of performance such as a fear of falling as well as the physical components (physical limitations, understanding medication regimens and side effects, and environmental modifications) when designing treatment interventions. • Therefore, interventions need to incorporate assessment of physical abilities as well as the emotional perception of threat related to falls when performing activities of daily living. Occupational therapists have the foundational knowledge to address emotional and physical barriers impacting occupational performance while incorporating compensatory strategies to prevent future falls and increase functional independence.

  32. Questions ?

  33. REFERENCES Arfken CL., Lach HW., Birge SJ. et al. (1994). The prevalence and correlates of fear of falling in older adults living in the community. AmericanJournal of Public Health, 84, 565–570. Bloch F., Thibaud M., Dugue B., Broque C., Riguad AS. & Kemuon G. (2010). Episodes of falling among older adults: a systematic review and meta-analysis of social and demographic pre-disposing characteristics. CLINICS, 65 (9), 895-903. Borderrac.org. Date: September 26, 2013 at 11:20:29 AM MDT Center for Disease Control. (2013). http://www.cdc.gov/homeandrecreationalsafety/falls/adultfalls.html Englander F, Hodson TJ, Terregrossa RA. Economic dimensions of slip and fall injuries. Journal of Forensic Science 1996;41(5):733–46.

  34. REFERENCES Etkin,C.D., Prohaska,T.R., Harris, BA, Latham,N.K. & Jette A.M. (2006). The feasibility of implementing  the Strong for Life Program in community settings.  The Gerontologist, 46: (2), 284-292. Harrison, J.A., Mullen, P.D., & Green, L.W. (1992). “A Meta-Analysis of Studies of the Health Belief Model.” Health Education Research, 7, 107-116. Tinetti ME., Speechley M. & Ginter SF. (1988). Risk factors for falls among elderly persons living in the community. New England Journal of Medicine, 319.1701–1707. Vellas BJ, Wayne SJ, Romero LJ et al. Fear of falling and restriction of mobility in elderly fallers. Age Ageing 1997; 26, 189–93. Zijlstra GA, Van Haastregt JC, Van Rossum E., Van Eijk JT, Yardley L. & Kempen J. (2007). GI: Interventions to reduce fear of falling in community-living older people: A systematic review. Journal American Geriatric Society, 55 (4,603-4,615).

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