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Christine M Eisenhauer, Patricia A Hageman, Sheri Rowland, Betsy J Becker, Susan A Barnason, Carol H Pullen
OBJECTIVE: To examine rural men's use and perceptions of mobile and wireless devices to self-monitor eating and physical activity (mHealth). DESIGN AND SAMPLE: Men in this 3-week pilot study used FitBit One(®) to log daily food intake and monitor activity. A companion application (app) allowed activity monitoring of fellow participants. Health-related text messages were received 1-3 times daily. A purposive sample of 12 rural men (ages 40-67) was recruited by community leaders...
October 18, 2016: Public Health Nursing
Robert M Lystrup, Gordon F West, Cara Olsen, Matthew Ward, Mark B Stephens
INTRODUCTION: Physically active providers are more likely to prescribe exercise. Unfortunately, many become sedentary during their training. We examined pedometry as an incentive to promote physical activity in a cohort of medical students. METHODS: This was a prospective, unblinded clinical trial of pedometry. 107 preclinical medical students volunteered. 50 students received Fitbit pedometers and 57 served as controls. All students ran 1.5- or 2-mile timed runs before pedometer issue, and again 1 year after...
October 2016: Military Medicine
Eric A Finkelstein, Benjamin A Haaland, Marcel Bilger, Aarti Sahasranaman, Robert A Sloan, Ei Ei Khaing Nang, Kelly R Evenson
BACKGROUND: Despite the increasing popularity of activity trackers, little evidence exists that they can improve health outcomes. We aimed to investigate whether use of activity trackers, alone or in combination with cash incentives or charitable donations, lead to increases in physical activity and improvements in health outcomes. METHODS: In this randomised controlled trial, employees from 13 organisations in Singapore were randomly assigned (1:1:1:1) with a computer generated assignment schedule to control (no tracker or incentives), Fitbit Zip activity tracker, tracker plus charity incentives, or tracker plus cash incentives...
October 3, 2016: Lancet Diabetes & Endocrinology
Lorraine J Phillips, Gregory F Petroski, Vicki S Conn, Marybeth Brown, Emily Leary, Linda Teri, Sheryl Zimmerman
This study examined the relationships between individual and environmental factors and physical activity, and between physical activity and functional limitations and disability in residential care/assisted living (RC/AL) residents. Participants completed questionnaires and physical performance tests, and wore the Fitbit Motion Tracker® to capture physical activity. Model fit was analyzed using two-level path models with residents nested within RC/AL settings. Model parameters were estimated using the MPlus robust maximum likelihood method...
October 4, 2016: Journal of Applied Gerontology: the Official Journal of the Southern Gerontological Society
Leroy R Lindsay, Heechin Chae
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
Gregory M Dominick, Kyle N Winfree, Ryan T Pohlig, Mia A Papas
BACKGROUND: Wearable activity monitors such as Fitbit enable users to track various attributes of their physical activity (PA) over time and have the potential to be used in research to promote and measure PA behavior. However, the measurement accuracy of Fitbit in absolute free-living conditions is largely unknown. OBJECTIVE: To examine the measurement congruence between Fitbit Flex and ActiGraph GT3X for quantifying steps, metabolic equivalent tasks (METs), and proportion of time in sedentary activity and light-, moderate-, and vigorous-intensity PA in healthy adults in free-living conditions...
2016: JMIR MHealth and UHealth
Alyssa Le, Hannah-Rose Mitchell, Daniel J Zheng, Jaime Rotatori, John T Fahey, Kirsten K Ness, Nina S Kadan-Lottick
BACKGROUND: Over 70% of childhood cancer survivors develop late complications from therapy, many of which can be mitigated by physical activity. Survivors engage in exercise at similar or lower rates than their sedentary healthy peers. We piloted a novel home-based exercise intervention with a motivational activity tracker. We evaluated (i) feasibility, (ii) impact on activity levels and physical fitness, and (iii) barriers, preferences, and beliefs regarding physical activity. METHODS: Childhood cancer survivors currently 15 years or older and not meeting the Centers for Disease Control and Prevention physical activity guidelines were enrolled and instructed to wear the Fitbit One, a 4...
September 12, 2016: Pediatric Blood & Cancer
Sjaan R Gomersall, Norman Ng, Nicola W Burton, Toby G Pavey, Nicholas D Gilson, Wendy J Brown
BACKGROUND: Activity trackers are increasingly popular with both consumers and researchers for monitoring activity and for promoting positive behavior change. However, there is a lack of research investigating the performance of these devices in free-living contexts, for which findings are likely to vary from studies conducted in well-controlled laboratory settings. OBJECTIVE: The aim was to compare Fitbit One and Jawbone UP estimates of steps, moderate-to-vigorous physical activity (MVPA), and sedentary behavior with data from the ActiGraph GT3X+ accelerometer in a free-living context...
September 7, 2016: Journal of Medical Internet Research
Sheri J Hartman, Sandahl H Nelson, Lisa A Cadmus-Bertram, Ruth E Patterson, Barbara A Parker, John P Pierce
INTRODUCTION: For women with an increased breast cancer risk, reducing excess weight and increasing physical activity are believed to be important approaches for reducing their risk. This study tested a weight loss intervention that combined commercially available technology-based self-monitoring tools with individualized phone calls. DESIGN: Women were randomized to a weight loss intervention arm (n=36) or a usual care arm (n=18). SETTING/PARTICIPANTS: Participants were women with a BMI ≥ 27...
November 2016: American Journal of Preventive Medicine
Ashleigh Sushames, Andrew Edwards, Fintan Thompson, Robyn McDermott, Klaus Gebel
OBJECTIVES: To examine the validity and reliability of the Fitbit Flex against direct observation for measuring steps in the laboratory and against the Actigraph for step counts in free-living conditions and for moderate-to-vigorous physical activity (MVPA) and activity energy expenditure (AEE) overall. METHODS: Twenty-five adults (12 females, 13 males) wore a Fitbit Flex and an Actigraph GT3X+ during a laboratory based protocol (including walking, incline walking, running and stepping) and free-living conditions during a single day period to examine measurement of steps, AEE and MVPA...
2016: PloS One
Valentin Prieto-Centurion, Nina Bracken, Lourdes Norwick, Farhan Zaidi, Amelia A Mutso, Victoria Morken, David B Coultas, Cynthia S Rand, David X Marquez, Jerry A Krishnan
BACKGROUND: Commercially available pedometers have been used as tools to measure endpoints in studies evaluating physical activity promotion programs. However, their accuracy in patients recovering from COPD exacerbations is unknown. The objectives of this study were to 1) assess the relative accuracy of different commercially available pedometers in healthy volunteers and 2) evaluate the accuracy of the top-performing commercially available pedometer in patients recovering from COPD exacerbations following hospital discharge...
2016: Chronic Obstructive Pulmonary Diseases: Journal of the COPD Foundation
Julie B Wang, Janine K Cataldo, Guadalupe X Ayala, Loki Natarajan, Lisa A Cadmus-Bertram, Martha M White, Hala Madanat, Jeanne F Nichols, John P Pierce
BACKGROUND: As wearable sensors/devices become increasingly popular to promote physical activity (PA), research is needed to examine how and which components of these devices people use to increase their PA levels. AIMS: (1) To assess usability and level of engagement with the Fitbit One and daily SMS-based prompts in a 6-week PA intervention, and (2) to examine whether use/ level of engagement with specific intervention components were associated with PA change...
July 2016: Journal of Mobile Technology in Medicine
John A Naslund, Kelly A Aschbrenner, Emily A Scherer, Gregory J McHugo, Lisa A Marsch, Stephen J Bartels
Promoting physical activity is essential for addressing elevated cardiovascular risk and high obesity rates affecting people with serious mental illness. Numerous challenges interfere with exercise participation in this high-risk group including mental health symptoms, low motivation, and limited access to safe and affordable options for physical activity. Wearable devices and mobile health technologies may afford new opportunities for promoting physical activity and supporting behavioral weight loss efforts...
October 30, 2016: Psychiatry Research
Yangjian Huang, Junkai Xu, Bo Yu, Peter B Shull
BACKGROUND: Increased physical activity can provide numerous health benefits. The relationship between physical activity and health assumes reliable activity measurements including step count and distance traveled. This study assessed step count and distance accuracy for Nike+ FuelBand, Jawbone UP 24, Fitbit One, Fitbit Flex, Fitbit Zip, Garmin Vivofit, Yamax CW-701, and Omron HJ-321 during level, upstairs, and downstairs walking in healthy adults. METHODS: Forty subjects walked on flat ground (400m), upstairs (176 steps), and downstairs (176 steps), and a subset of 10 subjects performed treadmill walking trials to assess the influence of walking speed on accuracy...
July 2016: Gait & Posture
Gina Sprint, Diane J Cook, Maureen Schmitter-Edgecombe
Sensor-based time series data can be utilized to monitor changes in human behavior as a person makes a significant lifestyle change, such as progress toward a fitness goal. Recently, wearable sensors have increased in popularity as people aspire to be more conscientious of their physical health. Automatically detecting and tracking behavior changes from wearable sensor-collected physical activity data can provide a valuable monitoring and motivating tool. In this paper, we formalize the problem of unsupervised physical activity change detection and address the problem with our Physical Activity Change Detection (PACD) approach...
July 25, 2016: Journal of Biomedical Informatics
Alejandro M Spiotta, Kyle M Fargen, Sarah L Denham, Megan E Fulton, Ryan Kellogg, Emily Young, Sunil Patel, Raymond D Turner
BACKGROUND: Balancing the demands of a busy medical career with personal wellness can be daunting, and there is little education on these principles available to physicians in training. OBJECTIVE: To implement a voluntary wellness initiative in our neurosurgery department to promote healthy lifestyle choices. This report details the baseline data collected as part of this quality improvement initiative. METHODS: The wellness initiative was implemented in July 2015 and available to all faculty and resident physicians in the Department of Neurological Surgery in collaboration with the Medical University of South Carolina Wellness Center...
October 2016: Neurosurgery
Skyler Brooke, Hyun-Sung An, Seoung-Ki Kang, John Noble, Kris Berg, Jung-Min Lee
The purpose of this study is to evaluate the concurrent validity of wearable activity trackers in energy expenditure (EE) and sleep period time (SPT) under free-living conditions. Ninety-five (28.5 ± 9.8 years) healthy males (n=34) and females (n=61) participated in this study. The total EE and SPT were measured by eight monitors; Nike+ Fuel Band SE (NFB), Garmin VivoFit (VF), Misfit Shine (MF), Fitbit Flex (FF), Jawbone UP (JU), Polar Loop (PL), Fitbit Charge HR (FC), and SenseWear Armband (SWA) (Criterion measures: SWA for EE and a sleep-log for SPT)...
July 19, 2016: Journal of Strength and Conditioning Research
Alexa M Ortiz, Stephen J Tueller, Sarah L Cook, Robert D Furberg
BACKGROUND: Regular physical activity (PA) can be an important indicator of health across an individual's life span. Consumer wearables, such as Fitbit or Jawbone, are becoming increasingly popular to track PA. With the increased adoption of activity trackers comes the increased generation of valuable individual-based data. Generated data has the potential to provide detailed insights into the user's behavior and lifestyle. OBJECTIVE: The primary objective of the described study is to evaluate the feasibility of individual data collection from the selected consumer wearable device (the Fitbit Zip)...
2016: JMIR Research Protocols
J N Darvall, A Parker, D A Story
Nearly 70% of the Australian adult population are either sedentary, or have low levels of physical activity. There has been interest in addressing this problem by the 'mHealth', or mobile Health, arena, which is concerned with the confluence of mobile technology and health promotion. The newer generation of activity pedometers has the ability to automatically upload information, to enable aggregation and meta-data analysis of individual patient data. We conducted a ten-week pilot trial of the Fitbit Zip® pedometer using a validated tool in ten volunteers, finding it highly acceptable to both participants and investigators...
July 2016: Anaesthesia and Intensive Care
Ralph J Mobbs, Kevin Phan, Monish Maharaj, Prashanth J Rao
STUDY DESIGN: Prospective observational study. OBJECTIVE: Patient-based subjective ratings of symptoms and function have traditionally been used to gauge the success and extent of recovery following spine surgery. The main drawback of this type of assessment is the inherent subjectivity involved in patient scoring. We aimed to objectively measure functional outcome in patients having lumbar spine surgery using quantitative physical activity measurements derived from accelerometers...
August 2016: Global Spine Journal
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