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https://www.readbyqxmd.com/read/28325020/socioeconomic-status-age-and-heart-rate-variability-in-a-bangladeshi-community
#1
Nishat E-Sharmin Trisha, Herbert F Jelinek, Mika P Tarvainen, David J Cornforth, Dewan S Alam, Megan Smith
Socioeconomic status (SES) is a risk factor for cardiovascular disease (CVD) and either low or high heart rate variability (HRV) at rest has been shown to predict cardiovascular morbidity and mortality. The study investigated the extent HRV features can predict SES. Four hundred and twenty eight people were randomly selected from the commercial districts (high SES) and slum areas (low SES) within Dhaka city. Demographic, clinical, and HRV features were recorded. Of the clinical variables age, waist circumference and diastolic blood pressure (p<;0...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324755/sedentary-behavior-different-types-of-operationalization-influence-outcome-measures
#2
Malou H J Fanchamps, Hendrika J G van den Berg-Emons, Henk J Stam, Johannes B J Bussmann
INTRODUCTION: Sedentary behavior (SB) influences health status independently of physical activity. The formal definition of SB is: "any waking behavior characterized by an energy expenditure ≤1.5 METs while in a sitting or reclining posture". However, measuring SB mostly does not include both the intensity and postural component. The aim of this study was to quantify the effect of type of operationalization of SB on total sedentary time and the pattern of SB. METHODS: 53 healthy subjects were measured 24h with a multi-sensor activity monitor that provides a valid one-second detection of body postures and movements and a calculated intensity measure...
March 6, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28319587/sedentary-behavior-physical-activity-and-fitness-the-maastricht-study
#3
Jeroen Hpm van der Velde, Annemarie Koster, Julianne D van der Berg, Simone Js Sep, Carla Jh van der Kallen, Pieter C Dagnelie, Miranda T Schram, Ronald Ma Henry, Simone Jpm Eussen, Martien Cjm van Dongen, Coen DA Stehouwer, Nicolaas C Schaper, Hans Hcm Savelberg
PURPOSE: This cross-sectional study examined the mutual independent associations of sedentary behavior, lower intensity physical activity (LPA) and higher intensity physical activity HPA (an approximation of moderate to vigorous physical activity (MVPA) with cardio-respiratory fitness (CRF). METHODS: 2,024 participants were included from The Maastricht Study (mean±SD age: 59.7±8.1 years, 49.6% men). With the activPAL3 activity monitor we assessed sedentary time (ST), sedentary pattern variables (number of sedentary breaks, average sedentary bout duration, and number of prolonged sedentary bouts (≥30 min)), LPA, and HPA...
March 18, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28316911/electronic-media-time-and-sedentary-behaviors-in-children-findings-from-the-built-environment-and-active-play-study-in-the-washington-dc-area
#4
Jennifer D Roberts, Lindsey Rodkey, Rashawn Ray, Brandon Knight, Brian E Saelens
An objective of the Built Environment and Active Play (BEAP) Study was to examine whether home built environment, bedroom electronic presence, parental rules and demographics predicted children's sedentary behavior (SB). In 2014, BEAP Study questionnaires were mailed to 2000 parents of children (7-12 years) within the Washington DC area. SB-Duration (hours/day) and SB-Frequency (days/week) were assessed by two questions with multiple subparts relating to SB activity type (e.g. car riding) and SB companionship (e...
June 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/28306676/sedentary-behavior-and-mechanisms-of-cardiovascular-disease-getting-to-the-heart-of-the-matter
#5
Megan S Grace, Rachel E D Climie, David W Dunstan
No abstract text is available yet for this article.
April 2017: Exercise and Sport Sciences Reviews
https://www.readbyqxmd.com/read/28303543/accelerometer-data-collection-and-processing-criteria-to-assess-physical-activity-and-other-outcomes-a-systematic-review-and-practical-considerations
#6
REVIEW
Jairo H Migueles, Cristina Cadenas-Sanchez, Ulf Ekelund, Christine Delisle Nyström, Jose Mora-Gonzalez, Marie Löf, Idoia Labayen, Jonatan R Ruiz, Francisco B Ortega
BACKGROUND: Accelerometers are widely used to measure sedentary time, physical activity, physical activity energy expenditure (PAEE), and sleep-related behaviors, with the ActiGraph being the most frequently used brand by researchers. However, data collection and processing criteria have evolved in a myriad of ways out of the need to answer unique research questions; as a result there is no consensus. OBJECTIVES: The purpose of this review was to: (1) compile and classify existing studies assessing sedentary time, physical activity, energy expenditure, or sleep using the ActiGraph GT3X/+ through data collection and processing criteria to improve data comparability and (2) review data collection and processing criteria when using GT3X/+ and provide age-specific practical considerations based on the validation/calibration studies identified...
March 16, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28293017/longitudinal-study-of-the-associations-between-change-in-sedentary-behavior-and-change-in-adiposity-during-childhood-and-adolescence-gateshead-millennium-study
#7
K D Mann, L D Howe, L Basterfield, K N Parkinson, M S Pearce, J K Reilly, A J Adamson, J J Reilly, X Janssen
BACKGROUND: Sedentary time (ST) has been reported to have a range of negative health effects in adults, however, the evidence for such effects among children and adolescents is sparse. The primary aim of the study was to examine associations between changes in sedentary behavior (time and fragmentation) and changes in adiposity across childhood and adolescence. METHODS: Participants were recruited as part of the Gateshead Millennium Study. Measures were taken at age 7y (n=502), 9y (n=506), 12y (n=420) and 15y (n=306)...
March 15, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28291838/level-and-correlates-of-physical-activity-and-sedentary-behavior-in-patients-with-type-2-diabetes-a-cross-sectional-analysis-of-the-italian-diabetes-and-exercise-study_2
#8
Stefano Balducci, Valeria D'Errico, Jonida Haxhi, Massimo Sacchetti, Giorgio Orlando, Patrizia Cardelli, Nicolina Di Biase, Lucilla Bollanti, Francesco Conti, Silvano Zanuso, Antonio Nicolucci, Giuseppe Pugliese
OBJECTIVE: Patients with type 2 diabetes usually show reduced physical activity (PA) and increased sedentary (SED)-time, though to a varying extent, especially for low-intensity PA (LPA), a major determinant of daily energy expenditure that is not accurately captured by questionnaires. This study assessed the level and correlates of PA and SED-time in patients from the Italian Diabetes and Exercise Study_2 (IDES_2). METHODS: Three-hundred physically inactive and sedentary patients with type 2 diabetes were enrolled in the IDES_2 to be randomized to an intervention group, receiving theoretical and practical exercise counseling, and a control group, receiving standard care...
2017: PloS One
https://www.readbyqxmd.com/read/28290766/influence-of-school-schedules-on-physical-activity-patterns-in-primary-school-children-a-case-study-in-italy
#9
Massimiliano Pau, Federica Corona, Bruno Leban, Simona Piredda, Maria Marcella Vacca, Gioia Mura
BACKGROUND: Considering the relevant amount of time spent by children at school, it is essential to ensure that suitable levels of physical activity (PA) are guaranteed. This study aimed to assess possible changes induced in the amount and type of PA performed following the two schedules in Italian primary schools, namely regular and full time (30-40 h/week respectively). METHODS: A sample of 169 children wore a tri-axial accelerometer 24h/day for 7 consecutive days...
March 14, 2017: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/28290741/associations-of-physical-activity-sedentary-time-and-screen-time-with-cardiovascular-fitness-in-united-states-adolescents-results-from-the-nhanes-national-youth-fitness-survey-nnyfs
#10
Anna K Porter, Krystin J Matthews, Deborah Salvo, Harold W Kohl
Background Most US adolescents do not meet guidelines of at least 60 daily minutes of moderate- to vigorous-intensity physical activity. Additionally, sedentary behaviors among this age group are of increasing concern. This study examined the association of movement behaviors with cardiovascular fitness among US adolescents. Methods Data from the 2012 NHANES National Youth Fitness Survey were used to assess the association of movement behaviors (physical activity, sedentary time, screen time) with cardiovascular fitness among adolescent males and females...
March 14, 2017: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/28288444/associations-of-street-layout-with-walking-and-sedentary-behaviors-in-an-urban-and-a-rural-area-of-japan
#11
Mohammad Javad Koohsari, Takemi Sugiyama, Ai Shibata, Kaori Ishii, Yung Liao, Tomoya Hanibuchi, Neville Owen, Koichiro Oka
We examined whether street layout -a key urban design element- is associated with walking and sedentary behaviors in the context of a non-Western country; and, whether such associations differ between an urban and a rural area. In 2011, 1076 middle-to-older aged adults living in an urban and a rural area of Japan reported their walking and sedentary (sitting) behaviors. Two objective measures of street layout (intersection density and street integration) were calculated. Participants exposed to more-connected street layouts were more likely to walk for commuting and for errands, to meet physical activity recommendations through walking for commuting, and less likely to drive...
March 10, 2017: Health & Place
https://www.readbyqxmd.com/read/28288011/using-activity-monitors-to-measure-sit-to-stand-transitions-in-overweight-obese-youth
#12
Tarrah Mitchell, Kelsey Borner, Jonathan Finch, Jacqueline Kerr, Jordan Carlson
INTRODUCTION: Reducing sedentary behavior has emerged as an important health intervention strategy. Although hip-worn, and more recently wrist-worn, accelerometers are commonly used for measuring physical activity and sedentary behavior, they may not provide accurate measures of postural changes. The current study examined the validity of commonly used hip- and wrist-worn accelerometer cut points and the thigh-worn activPAL activity monitor for measuring sit-to-stand transitions as compared to direct observation in youth with overweight and obesity...
March 10, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28287869/combined-associations-of-physical-activity-and-sedentary-behavior-with-depressive-symptoms-in-older-adults
#13
Douglas A T Santos, Jair S Virtuoso, Joilson Meneguci, Jeffer E Sasaki, Sheilla Tribess
The aim of this study was to analyze the association of combined physical activity (PA)/sedentary behaviour (SB) with depressive symptoms (DS) in older adults. A cross-sectional study was conducted with 622 individuals ≥ 60 years old. After adjusting for gender, years of study, and monthly household income, prevalence ratios for presence of DS were statistically significant for older adults with <150 min/week in PA and ≥75th percentile of SB on weekdays (PR = 2.11,95%CI: 1.54-2.90) and on weekends (PR = 2...
March 2017: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/28284794/natural-aversive-learning-in-tetramorium-ants-reveals-ability-to-form-a-generalizable-memory-of-predators-pit-traps
#14
Karen L Hollis, Kelsey McNew, Talisa Sosa, Felicia A Harrsch, Elise Nowbahari
Many species of ants fall prey to pit-digging larval antlions (Myrmeleon spp.), extremely sedentary predators that wait, nearly motionless at the bottom of their pit traps, for prey to stumble inside. Previous research, both in the field and laboratory, has demonstrated a remarkable ability of these ants to rescue trapped nestmates, thus sabotaging antlions' attempts to capture them. Here we show that pavement ants, Tetramorium sp. E, an invasive species and a major threat to biodiversity, possess yet another, more effective, antipredator strategy, namely the ability to learn to avoid antlion traps following a single successful escape from a pit...
March 8, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28283398/the-effect-of-age-gender-tg-hdl-c-ratio-and-behavioral-lifestyles-on-the-metabolic-syndrome-in-the-high-risk-mediterranean-island-population-of-malta
#15
Sarah Cuschieri, Josanne Vassallo, Neville Calleja, Nikolai Pace, Julian Mamo
AIMS: Metabolic syndrome (MetS) is a public health epidemic, typically with female predominance. The aim was to analyse the effect of gender and age on MetS and its components; analyse effects of lifestyle, diabetes mellitus and identify predictors for MetS including TG/HDL ratio, on a national level in a Mediterranean island. Findings will provide evidence-based data for neighboring countries to aid in combat of this epidemic. METHOD: A cross-sectional survey was conducted in Malta (2014-2016) on a randomized adults population sample...
March 6, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28283217/adolescents-with-at-risk-eating-and-lifestyle-behaviors-are-affected-by-after-school-schedules-across-the-clinical-weight-spectrum
#16
Leanna F Perez, Carla K Miller, Judith A Groner
OBJECTIVE: Evaluate adolescent lifestyle patterns to develop more effective health promotion programs. METHODS: An interview approach was employed to gain in-depth understanding of eating and activity behaviors. Adolescents aged 13-18 years (n=43) from clinically normal and obese weight categories were enrolled. Nutrient intake and food group servings were obtained from a food frequency questionnaire. RESULTS: Four participant subgroups were identified and labeled: "Idle, Engaged, Balanced and Working...
March 6, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/28282846/the-effect-of-a-wearable-device-prompting-high-school-students-aged-17-18-years-to-break-up-periods-of-prolonged-sitting-in-class
#17
Hanna A Frank, Karen Jacobs, Hugh McLoone
BACKGROUND: Increasingly, evidence shows that prolonged sedentary behavior factors into the health equation on its own, unrelated to weight and periods of intense exercise. In schools, students are required to sit for long periods of time. OBJECTIVE: To investigate whether reminders (via a wearable device) to change posture, change students' behavior and impacts their subjective wellbeing. PARTICIPANTS: Ten students of ages 17 to 18 years at a public high school in Bellevue, Washington, USA...
March 4, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28276789/association-between-sedentary-behavior-and-normal-range-lactate-dehydrogenase-activity
#18
Meghan K Edwards, Samuel L Buckner, Jeremy P Loenneke, Paul D Loprinzi
OBJECTIVES: Recent research demonstrates that lactate dehydrogenase (LDH) activity within the normal range may serve as a mediator in the (positive) relationship between physical activity and cardiovascular disease risk. Emerging work supports deleterious associations between sedentary behavior and health, independent of physical activity. Thus, this study evaluated if sedentary behavior was associated with normal-range LDH activity, independent of physical activity. METHODS: Data from the 2003-2006 NHANES were used (N = 2,087 adults; 40-79 yrs)...
March 1, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/28274818/personal-activity-intelligence-pai-sedentary-behavior-and-cardiovascular-risk-factor-clustering-the-hunt-study
#19
REVIEW
Nina Zisko, Kjerstin Næss Skjerve, Atefe R Tari, Silvana Bucher Sandbakk, Ulrik Wisløff, Bjarne M Nes, Javaid Nauman
Prolonged sedentary behavior (SB) positively associates with clustering of risk factors for cardiovascular disease (CVD). The recently developed metric for physical activity (PA) tracking called Personal Activity Intelligence (PAI) takes into account age, sex, resting and maximum heart rate, and a score of ≥100 weekly PAI has been shown to reduce the risk of premature CVD death in healthy as well as individuals with known CVD risk factors, regardless of whether or not the current PA recommendations were met...
March 6, 2017: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/28273154/leisure-time-physical-activity-sedentary-behaviors-sleep-and-cardiometabolic-risk-factors-at-baseline-in-the-predimed-plus-intervention-trial-a-cross-sectional-analysis
#20
Nuria Rosique-Esteban, Andrés Díaz-López, Miguel A Martínez-González, Dolores Corella, Albert Goday, J Alfredo Martínez, Dora Romaguera, Jesus Vioque, Fernando Arós, Antonio Garcia-Rios, Francisco Tinahones, Ramon Estruch, José Carlos Fernández-García, José Lapetra, Luís Serra-Majem, Xavier Pinto, Josep A Tur, Aurora Bueno-Cavanillas, Josep Vidal, Miguel Delgado-Rodríguez, Lidia Daimiel, Clotilde Vázquez, Miguel Ángel Rubio, Emilio Ros, Jordi Salas-Salvadó
Limited data exists on the interrelationships between physical activity (PA), sedentary behaviors and sleep concerning cardiometabolic risk factors in aged adults at high cardiovascular disease risk. Our aim was to examine independent and joint associations between time spent in leisure-time PA, sedentary behaviors and sleep on the prevalence of obesity, type 2 diabetes (T2D) and components of the metabolic syndrome (MetS) in Mediterranean individuals at high cardiovascular risk. Cross-sectional analyses were performed on baseline data from 5776 Spanish adults (aged 55-75y in men; 60-75y in women) with overweight/obesity and MetS, from October 2013 to October 2016, in the PREDIMED-PLUS trial...
2017: PloS One
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