Dataset Information

The Role of the Environment on Sedentary Behavior in Community-Dwelling Older Adults.

ABSTRACT: Objectives:To compare amounts of sedentary behavior and physical activity in adults residing in planned group residential settings to those residing in private homes. Methods:Thirty-one older adults who resided in planned group residential settings (n=13) and in private homes (n=18) participated. Daily activities were measured using the Sensewear Armband for 7 days. Estimates of the duration of daily activities performed across sedentary, light, and moderate-to-vigorous intensities were captured. Results:Participants in planned group residential settings were older (age 85.9±3.5 vs 78.3±7.2; p=0.001) and spent more time in sedentary behaviors (12.7±1.5 vs 11.3±1.6; p=0.02) than participants in private homes. The difference was attenuated slightly after controlling for age and wear time (adjusted difference 1.2±0.6 hours, p=0.06). Discussion:Adults residing in planned group residential settings, which provide supportive services, were more sedentary than adults residing in private homes. The environment in which older adults live may contribute to sedentary behavior.

SUBMITTER: Brach JS

PROVIDER: S-EPMC6502477 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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The Role of the Environment on Sedentary Behavior in Community-Dwelling Older Adults.

Brach Jennifer S JS Almeida Gustavo J GJ Perera Subashan S Hergenroeder Andrea A Kotlarczyk Mary M Gibbs Bethany Barone BB

Journal of housing for the elderly 20180404 1

<h4>Objectives</h4>To compare amounts of sedentary behavior and physical activity in adults residing in planned group residential settings to those residing in private homes.<h4>Methods</h4>Thirty-one older adults who resided in planned group residential settings (n=13) and in private homes (n=18) participated. Daily activities were measured using the Sensewear Armband for 7 days. Estimates of the duration of daily activities performed across sedentary, light, and moderate-to-vigorous intensitie ...[more]

PMID: 31073258

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Project description:Introduction:Sedentary behavior (SB) is highly prevalent among older adults, with more than 25% engaging in 6 hours or more of SB daily. SB has been associated with several cardiometabolic biomarkers in younger adults; however, there is a paucity of research in older populations. This study examined associations between patterns of SB and cardiometabolic biomarkers in community-dwelling adults aged 55 years and older. Methods:Data were drawn from a convenience sample of 54 community-dwelling individuals (12 males, 42 females; mean age?=?72.6?±?6.8 years, range?=?56-89 years). Cardiometabolic biomarkers assessed included systolic (SBP) and diastolic blood pressure (DBP), body mass index, waist circumference, and fasting blood glucose and cholesterol parameters. SB was assessed via accelerometry over a 7-day period, and measures included daily time in SB, number and length of sedentary bouts, the number and length of breaks between sedentary bouts, moderate-to-vigorous physical activity (MVPA), and light physical activity (LPA). Associations between the SB measures and each cardiometabolic risk factor were examined using separate stepwise multiple regression models, controlling for sex, MVPA, and accelerometer wear time. Isotemporal substitution models were used to examine the change in cardiometabolic outcomes when SB is replaced by an equal duration of either LPA or MVPA. Results:Adjusted regression analyses showed that daily sedentary time was positively associated with DBP (??=?0.052, ?R 2?=?0.112, p = 0.022) and inversely associated with HDL cholesterol (??=?-0.111, ?R 2?=?0.121, p = 0.039). Sedentary bout length was also associated with DBP and HDL cholesterol (??=?0.575, ?R 2?=?0.152, p?=?0.007; ??=?-1.529, ?R 2?=?0.196, p = 0.007, respectively). Replacement of 10 minutes of SB a day with LPA was associated with improved DBP and HDL cholesterol (p ? 0.05). No other significant associations (p ? 0.05) were found. Conclusion:Sitting for prolonged periods of time without interruption is unfavorably associated with DBP and HDL cholesterol. Prospective studies should identify causal relationships and observe specific changes in cardiometabolic profiles in older populations.

Project description:BackgroundDespite the benefits of physical activity for healthy physical and cognitive aging, 35% of adults over the age of 75 in the United States are inactive. Robotic exoskeleton-based exercise studies have shown benefits in improving walking function, but most are conducted in clinical settings with a neurologically impaired population. Emerging technology is starting to enable easy-to-use, lightweight, wearable robots, but their impact in the otherwise healthy older adult population remains mostly unknown. For the first time, this study investigates the feasibility and efficacy of using a lightweight, modular hip exoskeleton for in-community gait training in the older adult population to improve walking function.MethodsTwelve adults over the age of 65 were enrolled in a gait training intervention involving twelve 30-min sessions using the Gait Enhancing and Motivating System for Hip in their own senior living community.ResultsPerformance-based outcome measures suggest clinically significant improvements in balance, gait speed, and endurance following the exoskeleton training, and the device was safe and well tolerated. Gait speed below 1.0 m/s is an indicator of fall risk, and two out of the four participants below this threshold increased their self-selected gait speed over 1.0 m/s after intervention. Time spent in sedentary behavior also decreased significantly.ConclusionsThis intervention resulted in greater improvements in speed and endurance than traditional exercise programs, in significantly less time. Together, our results demonstrated that exoskeleton-based gait training is an effective intervention and novel approach to encouraging older adults to exercise and reduce sedentary time, while improving walking function. Future work will focus on whether the device can be used independently long-term by older adults as an everyday exercise and community-use personal mobility device. Trial registration This study was retrospectively registered with ClinicalTrials.gov (ID: NCT05197127).

Dataset Information

The Role of the Environment on Sedentary Behavior in Community-Dwelling Older Adults.

Publications

The Role of the Environment on Sedentary Behavior in Community-Dwelling Older Adults.

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