Abstract
Background:
There continues to be a belief among nurses, patients, and families that physical activity increases the risk of falling.
Purpose:
The purpose of this study was to test the hypothesis that controlling for age, function, cognition, medication use, gender, comorbidities, and cognition, residents who are exposed to Function Focused Care for Assisted Living (FFC-AL-EIT) and engage in moderate levels of physical activity would not be more likely to fall.
Methods:
This was a secondary data analysis using data from the first two cohorts of a randomized trial testing FFC-AL-EIT in the United States.
Results:
The study included 381 residents, the majority of whom were female (70%), white (97%), with a mean age of 87.72 (SD=7.47). Those who engaged in more moderate intensity physical activity were 1% less likely to fall (odds ratio = .99, p =.03). There was no significant association between exposure to function focused care and falling (odds ratio=1.58, p =.09).
Conclusion:
There was no indication that those who were exposed to function focused care or those who engaged in moderate level physical activity were more likely to fall. In fact engaging in moderate level physical activity was noted to be slightly protective of falling.
Keywords: function, physical activity, older adults, assisted living
Assisted living communities, also referred to as congregate care, independent supportive living, retirement care, supportive housing in the United States and Canada, are residences that provide housing and supportive services, 24-hour supervision, and at least two meals a day to meet the individual needs of residents. Care is provided by direct care workers, often, but not always, under the supervision of licensed nurses. Approximately 15 to 50% of older adults living in assisted living (AL) communities in the United States experience a fall over a 6 to 24 month period (Williams et al., 2018; Zimmerman et al., 2017). High rates of falls are noted as well in Canadian assisted living facilities (Macgregor, et al., 2014; Maxwell et al., 2013; Maxwell, et al., 2015). The cause of these falls generally involves multiple factors at the resident level as well as the facility or environment level. Resident level factors most commonly contributing to falls include older age, evidence of frailty (e.g., muscle weakness, gait and balance disorders), cognitive impairment, a history of falls, use of an assistive device, visual and hearing impairment, depression, and the use of certain medications (antidepressants, anxiolytics, antipsychotics, diuretics or any medication that can cause orthostatic hypotension) (Cameron, Bowles, Marshall, & Andrew, 2018; Schonfeld et al., 2018; Yang et al., 2018). At the environment level, factors contributing to falls include paths that are twisted, cluttered areas, slippery areas, and problems with assistive devices (Cameron et al., 2018). There is not consistent evidence that nurse staffing or level of nurse on the units is associated with falls (Backhaus et al., 2017; Okeorji, 2017).
Interventions to Decrease Falls
Given the many factors that are associated with risk for falls and falling, it follows logically that multi-component interventions are needed to decrease risk and incidence of falls (Cameron et al., 2018; Francis-Coad, Etherton-Beer, Burton, Naseri, & Hill, 2018). The aspects of multi-component interventions that appear to decrease falls include exercise or physical activity programs, particularly exercise interventions focused on improving balance; evaluation and management of medical problems such as degenerative joint disease; medication adjustment to eliminate drugs believed to increase fall risk; and environmental modifications such as removing clutter and optimizing chair and bed height (Cameron et al., 2018). In addition, staff education has been included in multi-component interventions for fall prevention (Lamb, Jørstad‐Stein, Hauer, & Becker, 2005). Despite the evidence that these interventions can decrease fall risk, they are not easily implemented into practice (Zimmerman et al., 2017). Moreover, there continues to be a pervasive belief among nurses, patients, and families that physical activity increases the risk of falling (Shannon, 2018; Tuvemo, Martin, Anens, Johansson, & Hellström, 2018).
Function Focused Care as a Fall Prevention Intervention
Function focused care is a philosophy of care that teaches direct care workers to evaluate older adults’ underlying capability with regard to function and physical activity and optimize their participation in all activities (Resnick, Galik, & Boltz, 2013). Examples of function focused care interactions include: modeling behavior for residents (e.g., oral care, eating); providing verbal cues during dressing; walking a resident to the dining room rather than transporting via wheel-chair; doing resistance exercises with residents prior to meals; and providing recreational physical activity (e.g., Physical Activity Bingo). A review article evaluating the impact of function focused care (Resnick et al., 2013) concluded that function focused care was beneficial for older adults. Benefits may include improving or maintaining function, mood and behavior (Boltz, Resnick, Chippendale, & Galvin, 2014; Galik, Resnick, Lerner, Hammersla, & Gruber-Baldini, 2015). There was no evidence that function focused care increased resident falls or adverse events (Galik et al., 2015; Resnick, Galik, Gruber-Baldini, & Zimmerman, 2011). Moreover, implementing function focused care decreased transfers to the hospital for non-fall related events (Resnick et al., 2011).
The purpose of this study was to explore the impact of implementation of a Function Focused Care intervention in assisted living (FFC-AL-EIT) and participation in moderate level physical activity on falls among residents in assisted living. Based on prior research, we hypothesized that controlling for age, function, cognition, medication use, gender, comorbidities, and cognition, residents in AL communities exposed to FFC-AL-EIT and those who engaged in moderate levels of physical activity would not be more likely to fall over a four month period.
Methods
Design
This study used data from the first two cohorts of a randomized trial in the United States testing the dissemination and implementation of the Function Focused Care for Assisted Living study using the Evidence Integration Triangle (FFC-AL-EIT). Data used included baseline factors associated with falls and whether or not the individual experienced a fall over the first four months following implementation of FFC-AL-EIT. AL settings were invited to participate if they: (1) had at least 25 beds; (2) identified a staff member (i.e., registered nurse, licensed practice nurse, direct care worker, social worker) to work with the study team in the implementation of the FFC-AL-EIT intervention; and (3) were able to access email and websites via a phone, tablet, or computer. Sites were randomized to treatment or an Education Only (EO) control.
Ethical Considerations
This study was approved by a University based institutional review board. AL residents were eligible to participate if they were 65 years of age or older, able to speak English, currently living in a participating assisted living facility at the time of recruitment, and able to recall at least one out of three words as per the Mini-Cog (Borson, Scanlan, Chen, & Ganguli, 2003). Residents were excluded if they were enrolled in hospice. A five-item Evaluation to Sign Consent (Resnick et al., 2007) questionnaire was used to determine the residents’ capacity to provide consent to participate in the study. If the resident did not pass the Evaluation to Sign Consent, he or she was asked to assent to the study and consent was obtained from the resident’s legally authorized representative. In addition, precautions were taken to ensure that all research materials were inaccessible to anyone other than the investigators. No personal identifiers were connected with the data and a unique study identification number was assigned to each participant. Any relevant hard data and consent related information was stored in locked files and on study computers, with access limited to the investigators and key study personnel. We used the Research Electronic Data Capture (REDCap) system for data management which has strict computer security procedures. In additional all data files were used with multiple levels of password protection.
Sample
In cohorts one and two, a total of 508 residents were recruited into the study from 54 assisted living settings across Maryland, Pennsylvania, and Massachusetts. At four months there were 437 participants still alive and/or living in the settings. From these, we had complete data on 381 (87%) individuals with the majority of the missing data being from the Motionwatch 8. Reasons for missing Motionwatch 8 data included refusal to wear the Motionwatch 8 or removal of the Motionwatch 8 prior to collecting the first 24 hours of data. The Little’s test, which tests the null hypothesis that missing data is missing completely at random was done. A p value of less than 0.05 means the data are not missing completely at random. Based on the Little’s test the data were found to be missing completely at random (chi square = 18.78, df = 17, and p =.34).
FFC-AL-EIT Intervention
FFC-AL-EIT is a 12 month intervention coordinated and implemented by a Research Nurse Facilitator (RNF) and involves a four step process including: (I) Environment and Policy/Procedure Assessments; (II) Education; (III) Developing Function Focused Goals; and (IV) Mentoring and Motivating (see Table 1). Prior to implementation of the four steps there is an initial meeting with an identified Stakeholder team (stakeholders usually include the administrator, nursing director, an in-house staff identified as the function focused champion, an activity director, social worker if available, or others in leadership roles within the setting). During this meeting an overview of the four steps of FFC-AL-EIT is provided and a brainstorming session done to identify facility specific goals for the project. The RNF works with the identified facility champion monthly for approximately 2 hours to implement the four steps of FFC-AL-EIT. The RNF continues to meet with the Stakeholder team briefly every month (up to 30 minutes) to keep them apprised of the function focused care related activities. While the four steps of FFC-AL-EIT are introduced sequentially, they each continue to be utilized to facilitate implementation of function focused care within the setting. For example, education may be delivered in a formal in-service session and then additional education provided to families, residents and new staff throughout the 12 month period. The stakeholders and champions are also sent weekly Tidbits via email from the research team. The Tidbits provided innovative approaches to engage residents in functional tasks and physical activity. Examples of Tidbits include engaging residents in routine daily work within the setting, such as vacuuming or cleaning tables; playing fly swatter badminton; and providing music and dance activities throughout the day.
Table 1.
Steps | |
---|---|
Step 1 Environmental and Policy Assessments | Assessment of the environment and policies within the settings to optimize function and physical activity of residents. |
Step 2 Education | Education of nursing staff, other members of the interdisciplinary team (e.g., social work, physical therapy), residents and families was done by the RNF and champion using previously established materials and adult learning techniques. |
Step 3 Establishing FFC Goals | The RNF worked with the champion and nursing staff to complete Physical Capability Assessments and establish resident goals and integrate them into the individual’s Service Plan. |
Step 4 Mentoring and Motivating | The RNF worked with the champion to motivate residents to engage in function and physical activity and to motivate caregivers to provide function focused care to residents. This was done using social cognitive theory approaches including: (a) observing performance of caregivers and providing one-on-one mentoring to incorporate function focused care into routine care; (b) providing residents and caregivers with positive reinforcement for providing function focused care; (b) meeting with residents and caregivers to address their beliefs about physical activity and feelings and experiences associated with providing function focused care; (c) reinforcing benefits of function focused care and strengthening outcome expectations associated with function focused care for residents and caregivers; (d) highlighting role models (other caregivers who successfully provide function focused care); (e) eliminating unpleasant sensations associated with function focused care activities for residents and caregivers. |
Measures
Measures for the parent study were collected at baseline, 4, and 12 months post implementation of the intervention, although only baseline data and 4 month falls were used in this analysis. The following resident descriptive information was obtained: age, gender, number of comorbidities, falls over a 4 month period, whether or not the individual was on an antipsychotic, anxiolytic, antidepressant, sedative-hypnotic or an opioid, functional status was obtained using the Barthel Index (Mahoney & Barthel, 1965) and cognitive status was based on the Mini-Cog screening tool, specifically the individual’s ability to recall 0, 1, 2, or 3 out of 3 words (Borson et al., 2003). The Barthel Index (Mahoney & Barthel, 1965) includes 10-items that address activities of daily living (e.g., bathing, dressing). Items are weighted to account for the amount of assistance required. A score of 100 indicates complete independence. Prior psychometric testing noted that estimates of internal consistency ranged from alpha coefficients of 0.62 to 0.80, inter-rater reliability was good based on an intra-class correlation of 0.89 between two observers; and validity was based on correlations with the Functional Inventory Measure (r = 0.97, p <.05) (Mahoney & Barthel, 1965). Data was obtained via verbal report of function from the direct care worker caring for the resident on the day of testing.
The Mini-Cog was developed as a brief screening tool to identify those with likely dementia. The Mini-Cog has sensitivity ranging from 76–99%, and specificity ranging from 89–93% with a 95% confidence interval (Borson et al., 2003). Lastly, physical activity was based on accelerometry data collected from the Motionwatch 8 (CamNtech, 2018). The MotionWatch 8 is a compact, lightweight, wrist-worn activity monitoring device used to document physical movement. The Motionwatch 8 contains a miniature accelerometer to allow measurement and recording of physical movement of the wrist, which provides a close correlation to whole body movement. MotionWatch 8 data included the time participants spent in moderate activity based on previously established, reliable and valid cutpoints for different levels of activity for older adults (Landry, Falck, Beets, & Liu-Ambrose, 2015). The Motionwatch 8 was placed on participants for 5 days with data evaluated for the three full days between placement and removal (i.e., days 2, 3, and 4). There was no significant difference in activity on days 2, 3, and 4 so day 2 data were used for all analyses.
Data Analysis
Descriptive analyses were done to describe the sample. Univariate logistic regression was done to determine the association of all variables with whether or not the resident experienced a fall. Binary logistic regression was done to determine if, controlling for age, gender, number of comorbidities, cognitive impairment, and function, being on an antidepressant, an anxiolytic, a sedative-hypnotic, an antipsychotic, or an opioid, moderate level physical activity or being exposed to function focused care were associated with a fall. Binary logistic regression using a Block entry method was employed, and a 95% confidence interval (CI) was used to establish statistical significance in the regression analysis. The Hosmer-Lemeshow fit test was used to evaluate model fit (Hosmer & Lemeshow, 2000). Lower values (and nonsignificance) indicate a good fit to the data and, therefore, good overall model fit.
Results
As shown in Table 2, the majority of the participants were female (70%), white (97%) and the mean age was 87.72 (SD=7.47) and participants had a mean of 5.00 (SD=2.00) comorbidities. Overall, the participants had a mean score of 2.44 (SD=7.50) on three item recall on the Mini-Cog, and functionally needed some help with activities of daily living based on a mean score of 64.18 (SD=19.05) on the Barthel Index. They engaged in 44.29 (SD=75.98) minutes daily of moderate level physical activity. With regard to medications, 14 (4%) were on sedative hypnotics, 135 participants (35%) were on antidepressants, 24 (6%) were on anxiolytics, 25 (7%) were on opioids, and 38 (10%) were on antipsychotic medications. At 4 months post implementation of the intervention, the majority of the participants had no falls (73%) and 93 individuals (27%) had at least one fall. Table 3 provides the unadjusted results bivariate correlations between all predictive variables and whether or not the individual experienced a fall. Only age (r = .12, p =.02) and moderate physical activity (r = −.12, p =.03) were associated with having a fall.
Table 2.
Variable | N (%) |
---|---|
Gender | |
Male | 113(30) |
Female | 268(70) |
Race/Ethnicity | |
Black | 9(2) |
White | 370(97) |
Asian | 1(.5) |
Undeclared | 1(.5) |
Sedative Hypnotics | |
Yes | 14(4) |
No | 367(96) |
Opioids | |
Yes | 25(7) |
No | 356(93) |
Antidepressants | |
Yes | 135(35) |
No | 246(65) |
Anxiolytics | |
Yes | 241(6) |
No | 357(94) |
Antipsychotics | |
Yes | 38(10) |
No | 343(90) |
Falls at 4 months | |
0 | 252 (73%) |
1 | 51(15%) |
2 | 21(6%) |
3 | 14(4%) |
4 | 5(1%) |
6 | 1(.5%) |
9 | 1(.5%) |
Variable | Mean (SD) |
Age | 87.72 (7.46) |
Comorbidities | 5.00 (2.00) |
Function | 64.18(19.05) |
Cognition | 2.44(.75) |
Moderate Physical Activity | 44.29 (75.98) |
Table 3.
Unadjusted model | Adjusted model | |||||||
---|---|---|---|---|---|---|---|---|
Predictors | β | SE | Odds Ratio (95% CI) | P-value | β | SE | Odds Ratio (95% CI) | P-value |
Age | .05 | .02 | 1.05 (1.01 – 1.09) | .01 | 0.04 | .02 | 1.05 (1.01 – 1.11) | 0.02 |
Cognitive Impairment | −.25 | .17 | .78 (.56 – 1.08) | .13 | −0.24 | .17 | .78 (.56 – 1.09) | 0.15 |
Function | −.01 | .01 | .99 (.98 – 1.01) | .75 | −0.01 | .01 | .99 (.98 – 1.01) | 0.61 |
Gender, male as reference | .36 | .29 | 1.43 (.80 – 2.52) | .23 | 0.26 | .29 | 1.43 (.81 – 2.53) | 0.22 |
Comorbidities | .11 | .07 | 1.12 (.98 – 1.27) | .09 | 0.11 | .07 | 1.11 (.98 – 1.26) | 0.1 |
Sedative Hypnotics | .53 | .67 | 1.70 (.44 – 6.59) | .44 | 0.53 | .67 | 1.69 (.45 – 6.31) | 0.44 |
Anxiolytics | .94 | .49 | 2.60 (1.07– 6.37) | .04 | 0.92 | .49 | 2.50 (.97 – 6.47) | 0.06 |
Antipsychotic Medications | −.11 | .48 | .90 (.35 – 2.34) | .83 | −0.08 | .48 | .92 (.36 – 2.36) | 0.86 |
Antidepressant Medications | .33 | .28 | 1.39 (.80 – 2.43) | .24 | 0.37 | .28 | 1.44 (.83 – 2.50) | 0.19 |
Opioids | −1.19 | .68 | .30 (.09 – 1.06) | .06 | −1.48 | .68 | .23 (.06 – .82) | 0.02 |
Moderate Level Physical Activity | −.01 | .002 | .99 (.99 – 1.00) | .03 | −0.01 | .002 | .99 (.99 – 1.00) | 0.03 |
Exposed to FFC Intervention | .50 | .27 | 1.64 (.96 – 2.79) | .07 | 0.46 | .27 | 1.58 (.93 – 2.7) | 0.09 |
Note: β: is the estimated coefficient in the logistic regression models;
The unadjusted model assessed the bivariate associations between each predictor and fall (yes/no);
The adjusted model included all predictors in the table;
The constant is: β =.98, SE = .12, Odds Ratio = .37 p = .01.
Results of the logistic regression, adjusted and unadjusted models, are shown in Table 3. In the unadjusted model, only age (β = .05, odds ratio = 1.05, 95% CI 1.01–1.09, p =.01), being on an anxiolytic (β = .94, odds ratio = 2.60, 95% CI 1.07 – 6.37, p =.04) and time spent in moderate level physical activity (β = −.01, odds ratio = .99, 95% CI .99–1.00, p =.03) were significantly associated with having a fall. The adjusted model correctly classified fallers 73% of the time and there was a good fit of the data to the model (p =.10). Controlling for age, gender, comorbidities, medication use, cognition and function, time spent in moderate physical activity was negatively associated with falls such that for every unit increase in minutes of moderate level physical activity there was a 1% decrease in the risk of falling (β = −.01, odds ratio = .99, 95% CI .99 – 1.00, p =.03). There was no significant association with being exposed to function focused care and falling (β = .46, odds ratio = 1.58, 95% CI .93 – 2.7, p =.09). Among the variables controlled for, only age (β = .04, odds ratio = 1.05, 95% CI 1.01–1.11, p =.02) and being on a narcotic were significantly associated with falling (β = −1.48, odds ratio = .23, 95% CI .06 – .82, p =.02). Being on an anxiolytic approached significance in the adjusted model (β = .92, odds ratio = 2.50, 95% CI .97 – 6.5, p =.06) and, as noted above, was significant in the unadjusted model. Those who were one year older were 5 percent more likely to fall and those who were on a narcotic were 77 percent less likely to fall.
Discussion
The null hypothesis in this study was supported in that there was no indication that those who were living in settings exposed to function focused care or those who engaged in moderate level physical activity were more likely to fall. In fact engaging in moderate level physical activity was noted to be slightly protective of falling. These findings support other work suggesting that exercise does not increase the risk of falls and in some studies those who do exercise have fewer falls (Lee & Kim, 2017; Tricco, Thomas, Veroniki, & et al, 2017). Across all these studies different types of exercise were performed with some focusing on resistance and balance exercise and some on moderate intensity aerobic activity. There is no single exercise program or activity that can be utilized as the gold standard for fall prevention. Rather, an individualized approach may be needed to address the needs or weaknesses of the individual and his or her underlying capabilities (Bauman, Merom, Bull, Buchner, & Fiatarone Singh, 2016). The current guidelines from the 2018 Physical Activity Advisory Committee report for adults recommend at least 150 minutes to 300 minutes a week of moderate-intensity, or 75 minutes to 150 minutes a week of vigorous-intensity aerobic physical activity and muscle-strengthening activities on two or more days a week (The Physical Activity Advisory Committee, 2018). Older adults specifically should do multicomponent physical activity that includes balance training as well as aerobic and muscle-strengthening activities (Piercy, Troiano, Ballard, & et al, 2018). Ongoing research is certainly needed to help guide individuals in the types of exercise that will be most likely to help them to prevent a fall.
Psychotropic medications were not associated with falls in this study. The findings related to psychotropic medication use and falls in prior studies have been inconsistent. In one study antidepressants were associated with falls and benzodiazepines were protective of falls (Cameron et al., 2018). In other studies the number of potentially inappropriate psychotropic medications was associated with falls (Renon-Guiteras et al., 2018) as were medications that resulted in orthostatic hypotension (Ryan-Atwood et al., 2017). In the current study there was an association between the use of opioids and falls such that opioid use decreased the risk of falling. Conversely, prior research has noted that there was an increased risk of falling associated with opioid use (Daoust et al., 2018; Hunnicutt et al., 2018; Machado-Duque, Castaño-Montoya, Medina-Morales, Castro-Rodríguez, & González-Montoya, 2018) or in one study of community dwelling older men there was no noted association between opioid use and falling (Krebs et al., 2016). These inconsistencies may be due to whether or not the individual was naïve to the drug, whether an opioid was combined with other psychoactive medications, and/or whether or not there were other risk factors for falls such as orthostatic hypotension, vision problems, pain, or altered balance (Altintas, Aslan, Sısman, & Kesgin, 2018; Musich, Wang, Slindee, Saphire, & Wicker, 2018). Although opioid use may be associated with the risk of falls, pain is likewise associated with falls due to the impact it can have on mobility and balance (Altintas et al., 2018; Picorelli, Hatton, Gane, & Smith, 2018). It is possible, therefore, that the reason for the decreased risk of falling with opioid use in this study may be due to appropriate use of these drugs as a way in which to relieve pain and thereby optimize function.
In addition to psychotropic medications, comorbidities, gender, and cognition were not associated with falls in this study. Prior studies considering the association between falls and gender have also been inconsistent with some studies suggesting that males are at a greater risk of falling (Cameron et al., 2018) while others reported that women were more likely to experience a fall (Chippendale & Chang, 2018; Sotoudeh, Mohammadi, Mosallanezhad, Viitasara, & Soares, 2018). Most studies evaluating factors associated with falls control for gender and it is anticipated that gender associations are likely to be sample specific (Goh, Nadarajah, Hamzah, Varadan, & Tan, 2016). Likewise in some studies comorbidities are noted to be associated with falls and in others there is no association (Galik, Holmes, & Resnick, 2018; Urrunaga-Pastor et al., 2018). Cognitive status tends to be associated with falls such that those who are impaired, particularly those with mild impairment, are more likely to sustain a fall (Hsu et al., 2018). In the current study we used the single 3 out of 3 word recall item from the Mini Cog to describe cognitive status and this may not have been sensitive enough to differentiate those with mild, moderate, or severe impairment. Further, the level of cognitive screening used in this study did not assess frontal lobe function and the individual’s ability to plan activities and monitor safety which would be more likely to contribute to a fall than short term memory issues.
The model correctly classified fallers versus nonfallers 73% of the time and the model fit the data. There are, however, additional variables that could be considered as possible factors that influence falls that were not included in this study. Specifically, fatigue, pain, vision and hearing, knowledge and beliefs about risk factors for falls and fall prevention interventions should be considered in future research (Davidson & Guthrie, 2019; Schonfeld et al., 2018; Tuvemo et al., 2018).
The participants in this study engaged in 44.29 (SD=75.98) minutes daily of moderate level physical activity based on Motionwatch 8 data. This exceeds the daily recommendation for time spent in physical activity noted in the 2018 Physical Activity Advisory Committee report to the Office of Health and Human Services (The Physical Activity Advisory Committee, 2018) as described above. The Motionwatch 8 is worn on the wrist as movement of the arms is considered to be consistent with overall body movement. We anticipate that arm movement associated with activities such as bed making, knitting, and playing the piano were included as moderate level physical activity thus inflating the amount time spent in this level of activity. Moreover, the calculation of exercise intensity (kilocalories spent to be indicative of moderate level activity) in this study was based on norms set by older adults living in the community with moderate level physical activity as > 562 to 1020 counts per minute (Landry et al., 2015). This is more liberal than the traditional cut points of moderate level activity ranging from 2690 to 6166 counts per minute established by Freedson and used as the default in devices such as the Actigraph (Freedson, Melanson, & Sirard, 1998). Counts are the unit of measurement used to evaluate activity when calculated by any type of actigraph. The device counts the number of times the waveform crosses 0 for each time period being evaluated. Ongoing research is needed to establish the most appropriate cutpoints to indicate moderate level physical activity among older adults.
Study Strengths and Limitations
This study included older adults in assisted living settings from three different states who consented to participate in a study focused on optimizing function and physical activity. The findings, therefore, cannot be generalized to all assisted living residents. Further, while assisted living settings are similar in Canada to those in the United States there may be differences in the residents and caregivers that might influence falls. The study was also limited as participants had to be able to recall at least 1 out of 3 words, thus excluding those with severe cognitive impairment. Falls and assessments of functional performance were based on documented reports provided by the staff versus direct observation by the evaluators and therefore may have been biased by recall. The use of the Landry et al., (Landry et al., 2015) calculation for moderate level physical activity in the Motionwatch 8 may have inflated the actual amount of time the participants engaged in moderate level physical activity. Lastly, this was a secondary data analysis of a study focused on optimizing function and physical activity and many of the risk factors for falls were not included such as vision and hearing impairment, pain, or the presence of orthostatic hypotension. Despite these limitations, the findings provide additional support that moderate intensity physical activity and exposure to function focused care interventions do not increase the risk of falls and moderate level physical activity may protect older individuals in assisted living from falling.
Funding:
This study was funded by the National Institutes of Health, National Institute of Aging 5R01AG050516-03.
The study was approved by the University of Maryland Institutional Review Board
Footnotes
The Clinical Trials number is: nct03014570
The authors have no disclosures
Contributor Information
Barbara Resnick, Sonya Ziporkin Gershowitz Chair in Gerontology, University of Maryland School of Nursing, 655 West Lombard Street, Baltimore, MD 21201.
Elizabeth Galik, University of Maryland School of Nursing, 655 West Lombard Street, Baltimore, MD 21201.
Marie Boltz, Pennsylvania State University, College Station, PA.
Shijun Zhu, University of Maryland School of Nursing, 655 West Lombard Street, Baltimore, MD 21201.
Steven Fix, University of Maryland School of Nursing, 655 West Lombard Street, Baltimore, MD 21201.
Erin Vigne, University of Maryland School of Nursing, 655 West Lombard Street, Baltimore, MD 21201.
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