Correction: Light Intensity Physical Activity and Sedentary Behavior in Relation to Body Mass Index and Grip Strength in Older Adults: Cross-Sectional Findings from the Lifestyle Interventions and Independence for Elders (LIFE) Study

Abstract Background: Both physical inactivity and sedentary behavior (too much sitting) can contribute to renal dysfunction. However, the potential benefits of behavior change (e.g., replacing sedentary behavior with physical activity) on renal function are not fully understood. We used isotemporal substitution to model potential impacts on renal function of replacing time from one behavior to another in middle-aged and older adults. Methods: For 174 Japanese adults (aged 50 – 83 years; 76 % women), the time spent in sedentary behavior, light-intensity physical activity (LPA), and moderate to vigorous-intensity physical activity (MVPA) were assessed using uniaxial accelerometers. Renal function was evaluated by the estimated glomerular filtration rate (eGFR) from serum creatinine and cystatin C levels. Results: In univariate analyses, eGFR was significantly, albeit weakly, correlated with time spent in sedentary behavior ( r s = – 0.229), LPA ( r s = 0.265) and with MVPA ( r s = 0.353). In the isotemporal substitution models, replacement of 30 min/day of sedentary behavior with equivalent LPA time was not significantly associated with eGFR ( β = 2.25, p = 0.111); however, replacement with the same amount of MVPA was beneficially associated with eGFR ( β = 5.51, p < 0.05). Conclusions: These cross-sectional findings suggest that both sedentary behavior (detrimentally) and physical activity (beneficially) may be contributors to maintaining renal function and that replacing sedentary behavior with MVPA may benefit renal health in middle-aged and older adults.

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Abstract MP17: Relationship of Accelerometer-assessed Physical Activity and Sedentary Behavior with Predicted CVD Risk in Older Women: Results From the Objective Physical Activity and Cardiovascular Health (OPACH) Study

Circulation ◽

10.1161/circ.133.suppl_1.mp17 ◽

2016 ◽

Vol 133 (suppl_1) ◽

Author(s):

Michael J LaMonte ◽

Eileen Rillamus-Sun ◽

Kelly R. Evenson ◽

I-Min Lee ◽

Dori E. Rosenberg ◽

...

Keyword(s):

Physical Activity ◽

Older Adults ◽

Light Intensity ◽

Sedentary Behavior ◽

Older Women ◽

Cardiovascular Health ◽

High Light ◽

Cvd Risk ◽

Low Light ◽

Cross Sectional

Background: Use of accelerometers to objectively measure physical activity (PA) and sedentary behavior (SB) in epidemiologic studies may improve understanding of associations with CVD, particularly in older adults. This cross-sectional study examined associations between accelerometer measures of PA and SB with cardiovascular health in 4870 race-ethnically diverse postmenopausal women, ages 63 to 99 years (mean 78.9) enrolled in OPACH, an ancillary study of the Women’s Health Initiative program. Methods: Vector magnitude counts per 15-sec epoch from hip worn triaxial accelerometers (minimum of 4 days with ≥10 hours/day wear time) were used to define time spent in SB (0-18 counts/15 sec), low light intensity (19-225), high light intensity (226-518), and moderate-to-vigorous intensity PA (MVPA; ≥519) based on count cutpoints determined from a laboratory calibration study among women of similar age. Predicted 10-year risk of CVD was computed using the Reynolds risk score (RRS), for which higher values reflect higher predicted CVD risk. Relationships between SB, PA and RRS were examined using generalized linear model analyses, adjusting for accelerometer wear time. Results: The mean RRS was 13.7±11.9 (range 0.8 to 94.3). Based on regression analysis, every hour/day spent in SB was associated with an average 2.3% increase in the RRS. In contrast, every hour/day spent in low-light, high-light, or MVPA resulted in an average 1.1%, 1.5%, and 5.2% reduction, respectively, in the RRS. A significant positive association was observed between SB and decile of RRS (trend, p<.0001); whereas, significant inverse gradients for time spent in each PA level were observed across decile of RRS (trend, p<.001 for all). Mean hours/day associated with the lowest and highest decile of RRS, respectively, were 12.0 and 13.1 for SB; 3.6 and 3.1 for low light; 1.9 and 1.4 for high light; and 1.3 and 0.6 for MVPA. These patterns of association for SB and PA with RRS were also observed when stratified by race-ethnicity and age. Conclusion: Based on objectively assessed SB and PA, this study confirms that prolonged SB is adversely related with cardiovascular health in older women. Results further suggest that even light intensity PA could have cardiovascular benefit in older women. Because a large proportion of daily activity time is spent at lower intensity among older adults, this finding has important public health implications. Prospective studies are needed to confirm these cross-sectional results.

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High-intensity activity is more strongly associated with metabolic health in children compared to sedentary time: a cross-sectional study of the I.Family cohort

International Journal of Behavioral Nutrition and Physical Activity ◽

10.1186/s12966-021-01156-1 ◽

2021 ◽

Vol 18 (1) ◽

Author(s):

Jonatan Fridolfsson ◽

Christoph Buck ◽

Monica Hunsberger ◽

Joanna Baran ◽

Fabio Lauria ◽

...

Keyword(s):

Physical Activity ◽

Risk Factors ◽

Insulin Resistance ◽

Blood Pressure ◽

Body Mass Index ◽

High Density Lipoprotein ◽

High Density Lipoprotein Cholesterol ◽

Density Lipoprotein ◽

Cross Sectional ◽

Intensity Physical Activity

Abstract Background Physical activity (PA) during childhood is important for preventing future metabolic syndrome (MetS). To examine the relationship between PA and MetS in more detail, accurate measures of PA are needed. Previous studies have only utilized a small part of the information available from accelerometer measured PA. This study investigated the association between measured PA and MetS in children with a new method for data processing and analyses that enable more detailed interpretation of PA intensity level. Methods The association between PA pattern and risk factors related to MetS was investigated in a cross- sectional sample of children (n = 2592, mean age 10.9 years, 49.4% male) participating in the European multicenter I. Family study. The risk factors examined include body mass index, blood pressure, high-density lipoprotein cholesterol, insulin resistance and a combined risk factor score (MetS score). PA was measured by triaxial accelerometers and raw data was processed using the 10 Hz frequency extended method (FEM). The PA output was divided into an intensity spectrum and the association with MetS risk factors was analyzed by partial least squares regression. Results PA patterns differed between the European countries investigated, with Swedish children being most active and Italian children least active. Moderate intensity physical activity was associated with lower insulin resistance (R2 = 2.8%), while vigorous intensity physical activity was associated with lower body mass index (R2 = 3.6%), MetS score (R2 = 3.1%) and higher high-density lipoprotein cholesterol (R2 = 2.3%). PA of all intensities was associated with lower systolic- and diastolic blood pressure, although the associations were weaker than for the other risk factors (R2 = 1.5% and R2 = 1.4%). However, the multivariate analysis implies that the entire PA pattern must be considered. The main difference in PA was observed between normal weight and overweight children. Conclusions The present study suggests a greater importance of more PA corresponding to an intensity of at least brisk walking with inclusion of high-intense exercise, rather than a limited time spent sedentary, in the association to metabolic health in children. The methods of data processing and statistical analysis enabled accurate analysis and interpretation of the health benefits of high intensity PA that have not been shown previously.

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Duration–Response of Light-Intensity Physical Activity and Glucose Dynamics in Older Adults

Journal of Physical Activity and Health ◽

10.1123/jpah.2017-0557 ◽

2019 ◽

Vol 16 (1) ◽

pp. 37-42 ◽

Cited By ~ 3

Author(s):

Whitney A. Welch ◽

Scott J. Strath ◽

Michael Brondino ◽

Renee Walker ◽

Ann M. Swartz

Keyword(s):

Physical Activity ◽

Older Adults ◽

Light Intensity ◽

Intensity Physical Activity ◽

Glucose Dynamics

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Walkable Urban Design Attributes and Japanese Older Adults’ Body Mass Index: Mediation Effects of Physical Activity and Sedentary Behavior

American Journal of Health Promotion ◽

10.1177/0890117118814385 ◽

2018 ◽

Vol 33 (5) ◽

pp. 764-767 ◽

Cited By ~ 7

Author(s):

Mohammad Javad Koohsari ◽

Andrew T. Kaczynski ◽

Tomoki Nakaya ◽

Ai Shibata ◽

Kaori Ishii ◽

...

Keyword(s):

Physical Activity ◽

Older Adults ◽

Body Mass Index ◽

Population Density ◽

Sedentary Behavior ◽

Urban Design ◽

Mediation Effects ◽

Design Attributes ◽

Walk Score ◽

Japanese Older Adults

Purpose: The purposes of this study were to examine associations between objectively measured walkable urban design attributes with Japanese older adults’ body mass index (BMI) and to test whether objectively assessed physical activity and sedentary behavior mediated such associations. Design: Cross-sectional. Setting: Matsudo City, Chiba Prefecture, Japan. Participants: Participants were 297 older residents (aged 65-84 years) randomly selected from the registry of residential addresses. Measures: Walkable urban design attributes, including population density, availability of physical activity facilities, intersection density, and access to public transportation stations, were calculated using geographic information systems. Physical activity, sedentary behavior, and BMI were measured objectively. Analysis: The relationships of walkable urban design attributes, Walk Score®, and BMI were examined by multiple linear regression with adjustment for covariates in all models. Mediation effects of the physical activity and sedentary behavior variables in these relationships were tested using a product-of-coefficients test. Results: Higher population density and Walk Score® were associated with lower BMI. Light and moderate-to-vigorous physical activities partially mediated the relationships between these walkable urban design attributes and BMI. Conclusions: Developing active-friendly environmental policies to (re)design neighborhoods may not only promote active transport behaviors but also help in improving residents’ health status in non-Western contexts.

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Objective Light-Intensity Physical Activity Associations With Rated Health in Older Adults

American Journal of Epidemiology ◽

10.1093/aje/kwq249 ◽

2010 ◽

Vol 172 (10) ◽

pp. 1155-1165 ◽

Cited By ~ 325

Author(s):

M. P. Buman ◽

E. B. Hekler ◽

W. L. Haskell ◽

L. Pruitt ◽

T. L. Conway ◽

...

Keyword(s):

Physical Activity ◽

Older Adults ◽

Light Intensity ◽

Intensity Physical Activity

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Association Between Light Intensity Physical Activity And Sedentary Behavior Among Active Older Women

Medicine & Science in Sports & Exercise ◽

10.1249/01.mss.0000535776.03726.6c ◽

2018 ◽

Vol 50 (5S) ◽

pp. 209-210

Author(s):

Luis Adriano Lima ◽

Diana Carolina Gonzalez ◽

João Pedro Silva Junior ◽

Timóteo Leandro Araujo ◽

Sandra Mahecha Matsudo ◽

...

Keyword(s):

Physical Activity ◽

Light Intensity ◽

Sedentary Behavior ◽

Older Women ◽

Intensity Physical Activity

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Impact of Social Isolation on Physical Activity and Factors Associated With Sedentary Behavior in Older Adults During the COVID-19 Pandemic

Journal of Aging and Physical Activity ◽

10.1123/japa.2020-0456 ◽

2021 ◽

pp. 1-5

Author(s):

Giovana Z. Mazo ◽

Felipe Fank ◽

Pedro S. Franco ◽

Bruna da Silva Vieira Capanema ◽

Franciele da Silva Pereira

Keyword(s):

Physical Activity ◽

Older Adults ◽

Sedentary Behavior ◽

Social Isolation ◽

Low Income ◽

Low Income Countries ◽

Moderate Physical Activity ◽

Cross Sectional ◽

Factors Associated ◽

The Impact

The objective was to analyze the impact of social isolation on moderate physical activity and factors associated with sedentary behavior of older adults during the COVID-19 pandemic. This was a cross-sectional study involving 111 older adults (aged 71.0 ± 6.87 years). The data were collected at two time points: in November 2019 and in June 2020. There was a decline in moderate physical activity when the minutes/week were compared before and during social isolation (p < .001). Sedentary behavior was associated with the condition of living alone. Older adults who lived alone were 3.29 times more likely to spend 4 hr or more in sedentary behavior than those who lived with a partner (95% confidence interval [1.01, 10.74]). Government agencies must establish PA-related health promotion strategies, especially in developing and low-income countries. Therefore, home exercises need to be encouraged to prevent the consequences of this pandemic period.

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Light-Intensity Physical Activity and Cardiometabolic Risk Among Older Adults With Multiple Chronic Conditions

American Journal of Health Promotion ◽

10.1177/0890117118796459 ◽

2018 ◽

Vol 33 (4) ◽

pp. 507-515 ◽

Cited By ~ 4

Author(s):

Yueyao Li ◽

Kellee White ◽

Katherine R. O’Shields ◽

Alexander C. McLain ◽

Anwar T. Merchant

Keyword(s):

Physical Activity ◽

Risk Factors ◽

Blood Pressure ◽

Older Adults ◽

Light Intensity ◽

Total Cholesterol ◽

Chronic Conditions ◽

Cardiometabolic Risk ◽

Multiple Chronic Conditions ◽

Intensity Physical Activity

Purpose: To assess the relationship between light-intensity physical activity (LIPA) and cardiometabolic risk factors among middle-aged and older adults with multiple chronic conditions. Design: Cross-sectional design utilizing data from the Health and Retirement Study (2010, 2012). Setting: Laboratory- and survey-based testing of a nationally representative sample of community-dwelling middle aged and older adults. Participants: Adults aged 50 years and older (N = 14 996). Measures: Weighted metabolic equivalent of tasks was calculated using self-reported frequency of light, moderate, and vigorous physical activity. Cardiometabolic risk factors (systolic and diastolic blood pressure, glycosylated hemoglobin [HbA1c], high-density lipoprotein cholesterol [HDL-C], total cholesterol, and non-HDL-C) were objectively measured. A multiple chronic condition index was based on 8 self-reported chronic conditions. Analysis: Weighted multivariate linear regression models. Results: Light-intensity physical activity was independently associated with favorable HDL-C (β = 1.25; 95% confidence interval [CI]: 0.46-2.05) and total cholesterol (β = 2.72; 95% CI: 0.53-4.90) after adjusting for relevant confounders. The HDL-C health benefit was apparent when stratified by number of chronic conditions, for individuals with 2 to 3 conditions (β = 1.73; 95% CI: 0.58-2.89). No significant associations were observed between LIPA and blood pressure, HbA1c, or non-HDL-C. Conclusions: Engaging in LIPA may be an important health promotion activity to manage HDL-C and total cholesterol. Additional longitudinal research is needed to determine the causal association between LIPA and cardiometabolic risk which can potentially inform physical activity guidelines targeting older adults with multiple chronic conditions.

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