Association of 24-h movement behaviors with phase angle in community-dwelling older adults: a compositional data analysis

Asano, Yujiro; Nagata, Koki; Shibuya, Kentaro; Fujii, Yuya; Kitano, Naruki; Okura, Tomohiro

doi:10.1007/s40520-023-02425-8

Cited by 5 publications

(8 citation statements)

References 36 publications

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“…Therefore, the specific physiological pathways underlying these observations have not been definitively established. The findings of two previous Japanese studies 19 , 45 have examined no significant relationship between LPA and PhA. This inconsistency may be attributed to the differing extent of LPA in our study compared to previous studies.…”

Section: Discussioncontrasting

confidence: 95%

“…For every additional 30 min of MPA, the whole-body PhA increased by 0.141 degrees, and the lower-body PhA increased by 0.273 degrees. While there have been no studies to directly examined these associations and thus the specific mechanisms remain unclear, our findings are in line with previous research 19 , 41 that has demonstrated a significant positive association between MVPA, resistance training, and higher PhA. This association may be attributed in part to the fact that the majority of MVPA and exercise activities undertaken by older adults are of moderate intensity.…”

Section: Discussionsupporting

confidence: 89%

“…However, within this body of evidence, the subset of studies that specifically target older adults predominantly investigate the effects of resistance training interventions. So far, two studies examined the association between PA and PhA in older adults 19 , 20 . One of these studies found that combined MPA and VPA was associated with higher whole-body PhA, without investigating PhA by body segment 19 .…”

Section: Introductionmentioning

confidence: 99%

“…So far, two studies examined the association between PA and PhA in older adults 19 , 20 . One of these studies found that combined MPA and VPA was associated with higher whole-body PhA, without investigating PhA by body segment 19 . Segmental assessment of PhA could potentially serve as an effective means to monitor the health status of specific body parts in older population 21 .…”

Section: Introductionmentioning

confidence: 99%

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Associations between objectively measured overall and intensity-specific physical activity and phase angle in older adults

Chen,

Lai,

Lin

et al. 2024

Sci Rep

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Phase angle (PhA) is an indicator of cellular health and is positively associated with overall physical activity (PA). However, varied associations between different intensities of PA and PhA by body segment in older populations remain unexplored. We investigated the associations between overall and different intensities of PA and upper-, lower-, and whole-body PhA in older adults. Overall exposure to light-intensity (LPA), moderate-intensity (MPA), and vigorous-intensity physical activity (VPA) was assessed using a triaxial accelerometer (GT3X + , ActiGraph). The outcome variables were upper-, lower-, and whole-body PhA measured using bioelectrical impedance analysis (MC-780MA, TANITA). Multiple linear regression helped examine the associations between the exposure and outcome variables after adjusting for age, gender, body mass index, and accelerometer wear time. A cross-sectional analysis involved 166 community-dwelling older participants (mean age = 72.1 ± 5.5 years; 78.3% women). Overall PA was associated with larger upper- (B: 0.057, 95% confidence interval [CI] 0.018–0.095) and whole-body PhA (B: 0.044, 95% CI 0.006–0.081). LPA was associated with larger upper-body PhA (B: 0.059, 95% CI 0.017–0.101), and MPA was associated with larger lower- (B: 0.273, 95% CI 0.128–0.419) and whole-body PhA (B: 0.141, 95% CI 0.002–0.280). VPA and PhA were not associated. Future interventions targeting PhA in older adults should consider the differential impact of PA intensity on various body segments of the PhA.

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Section: Discussioncontrasting

confidence: 95%

Section: Discussionsupporting

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Associations between objectively measured overall and intensity-specific physical activity and phase angle in older adults

Chen,

Lai,

Lin

et al. 2024

Sci Rep

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“…In addition to the overall SB amount, SB patterns (i.e., SB bouts and breaks) are also critical components of SB that are related to negative health consequences among older adults [ 18 , 19 ]. To our knowledge, only one prior study has explored the association between total SB time and PhA in the older population, without considering the potential association between SB patterns and PhA [ 20 ].…”

Section: Introductionmentioning

confidence: 99%

Sedentary Behavior and Phase Angle: An Objective Assessment in Physically Active and Inactive Older Adults

Lin,

Chen,

Lai

et al. 2023

Nutrients

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The purpose of the present study was to investigate the associations of the objectively assessed total sedentary behavior (SB) amount and SB patterns with phase angle (PhA) in older populations and to conduct a comparison analysis for those who are physically active (meet 150 min/week) and inactive (less than 150 min/week). During May to August 2023, a convenience sampling was used to recruit older adults (aged ≥ 65 years) living in a community in Taiwan. The total SB amount (minutes/day), SB patterns (including SB bouts and breaks), and physical activity were assessed by a triaxial accelerometer. A multifrequency bioelectrical impedance analyzer (BIA) was used to measure PhA. Multiple linear regression analysis was employed to examine the associations between SB and PhA in the total number of participants and stratified in the physically active and inactive groups. For the whole sample (n = 166; mean age: 72.1 ± 5.5 years), the total SB amount and patterns of SB were not associated with PhA. For those physically active, the total SB amount and SB patterns were not associated with PhA. Among those physically inactive, the total SB amount was negatively related to PhA (B: −0.059, 95% CI: −0.118, 0.000). This study underscores the importance of minimizing the total SB amount in physically inactive older adults, providing evidence for future interventions targeting SB and PhA in this population.

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A systematic review of research reporting practices in observational studies examining associations between 24-h movement behaviors and indicators of health using compositional data analysis

Brown,

Burkart,

Groves

et al. 2024

JASSB

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Background Compositional data analysis (CoDA) techniques are well suited for examining associations between 24-h movement behaviors (i.e., sleep, sedentary behavior, physical activity) and indicators of health given they recognize these behaviors are co-dependent, representing relative parts that make up a whole day. Accordingly, CoDA techniques have seen increased adoption in the past decade, however, heterogeneity in research reporting practices may hinder efforts to synthesize and quantify these relationships via meta-analysis. This systematic review described reporting practices in studies that used CoDA techniques to investigate associations between 24-h movement behaviors and indicators of health. Methods A systematic search of eight databases was conducted, in addition to supplementary searches (e.g., forward/backward citations, expert consultation). Observational studies that used CoDA techniques involving log-ratio transformation of behavioral data to examine associations between time-based estimates of 24-h movement behaviors and indicators of health were included. Reporting practices were extracted and classified into seven areas: (1) methodological justification, (2) behavioral measurement and data handling strategies, (3) composition construction, (4) analytic plan, (5) composition-specific descriptive statistics, (6) model results, and (7) auxiliary information. Study quality and risk of bias were assessed by the National Institutes of Health Quality Assessment Tool for Observational Cohort and Cross-sectional Studies. Results 102 studies met our inclusion criteria. Reporting practices varied considerably across areas, with most achieving high standards in methodological justification, but inconsistent reporting across all other domains. Some items were reported in all studies (e.g., how many parts the daily composition was partitioned into), whereas others seldom reported (e.g., definition of a day: midnight-to-midnight versus wake-to-wake). Study quality and risk of bias was fair in most studies (85%). Conclusions Current studies generally demonstrate inconsistent reporting practices. Consistent, clear and detailed reporting practices are evidently needed moving forward as the field of time-use epidemiology aims to accurately capture and analyze movement behavior data in relation to health outcomes, facilitate comparisons across studies, and inform public health interventions and policy decisions. Achieving consensus regarding reporting recommendations is a key next step. Supplementary Information The online version contains supplementary material available at 10.1186/s44167-024-00062-8.

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Association of 24-h movement behaviors with phase angle in community-dwelling older adults: a compositional data analysis

Cited by 5 publications

References 36 publications

Associations between objectively measured overall and intensity-specific physical activity and phase angle in older adults

Associations between objectively measured overall and intensity-specific physical activity and phase angle in older adults

Sedentary Behavior and Phase Angle: An Objective Assessment in Physically Active and Inactive Older Adults

A systematic review of research reporting practices in observational studies examining associations between 24-h movement behaviors and indicators of health using compositional data analysis

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