Using Accelerometers in Youth Physical Activity Studies: A Review of Methods

Cain, Kelli L.; Sallis, James F.; Conway, Terry L.; Dyck, Delfien Van; Calhoon, Lynn

doi:10.1123/jpah.10.3.437

Cited by 580 publications

(567 citation statements)

References 61 publications

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“…12:36-13:18: Lunch, independently eating bread with knife and fork). For practical reasons (complexity of data analysis and logistics), we chose to only measure for 2 days, instead of the recommended 7 days (Cain et al 2013). Patients were asked to wear the accelerometers at all waking hours, with the exception of bathing, showering and swimming.…”

Section: Study Protocol For Patientsmentioning

confidence: 99%

Domains of Daily Physical Activity in Children with Mitochondrial Disease: A 3D Accelerometry Approach

et al. 2017

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Section: Study Protocol For Patientsmentioning

confidence: 99%

Domains of Daily Physical Activity in Children with Mitochondrial Disease: A 3D Accelerometry Approach

et al. 2017

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“…Given the high proportion of participants who reported engaging in these types of activities, accelerometry provided an incomplete measure of MVPA. Moreover, suggested MVPA accelerometer cut points for adolescents range considerably, and there is no consensus on which is most appropriate [36][37][38]. While the cut points used here were validated specifically for adolescent girls, the validation study found that cycling and step aerobics had poor calibration with accelerometers, and found a wide range of MET's in individuals for each level of accelerometer counts.…”

Section: Principal Resultsmentioning

confidence: 99%

Web-Based Physical Activity Intervention for Latina Adolescents: Feasibility, Acceptability, and Potential Efficacy of the Ni�as Saludables Study (Preprint)

Larsen¹,

Benitez²,

Cano³

et al. 2017

Preprint

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Purpose: Physical activity is markedly low in Latina adolescents, yet few physical activity interventions have been attempted in this population. Web-based interventions can incorporate theory-based components, be appealing to adolescents, and have potential for low cost dissemination. Objectives: We sought to assess the feasibility, acceptability, and potential efficacy of a web-based physical activity intervention for Latina adolescents in a single-arm pilot trial. Methods: Twenty-one Latina adolescents (age 12-18) who were underactive (<90 minutes/week) participated in a 12-week theory-informed web-based physical activity intervention. Web content was individually tailored based on responses to monthly questionnaires. Feasibility was measured by recruitment, retention, and adherence/engagement, and acceptability was measured by satisfaction. Physical activity was measured at baseline and follow-up using the 7-Day Physical Activity Recall (PAR) Interview and accelerometers. Results: Baseline activity as measured by the 7-Day PAR and accelerometers was 24.7(26.11) and 24.8(38.3) minutes/week, respectively. At 12 weeks, 19 participants (90.5%) returned. Adherence and engagement with materials was low, and 72% of participants indicated they were satisfied with the intervention. Activity at 12 weeks increased by 58.8(11.33) minutes/week measured by the 7-Day PAR (p<0.001). Accelerometer-measured activity did not increase. Activities reported at follow-up were more varied than at baseline, including some measured poorly by accelerometers (e.g. biking, swimming). Participants suggested simplifying the website and incorporating other technologies. Conclusions: Good retention and increases in self-reported activity suggest a promising approach to delivering a physical activity intervention to Latina adolescents. Incorporating other technologies, such as smartphone apps, could make the intervention more engaging, acceptable and effective.

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“…The 10-minute blocks of energy expenditure were classified, based on their metabolic equivalent values, into physical activity intensities as follows; sedentary behaviour ≤ 1.5 times predicted basal metabolic rate, light intensity physical activity > 1.5 to <3.0 times predicted basal metabolic rate and moderate-to-vigorous intensity physical activity ≥ 3.0 times predicted basal metabolic rate. As there is still inconsistency between the use of 3 or 4 times resting energy expenditure as moderate-to-vigorous intensity physical activity threshold in children (Cain et al 2013), and most cut points in this study have been developed using a threshold of 3 times resting energy expenditure, this was used. Activity energy expenditure was determined by deducting basal metabolic rate, calculated using the Schofield equation, from measured energy expenditure.…”

Section: Data Reductionmentioning

confidence: 99%

Evaluation of Actical equations and thresholds to predict physical activity intensity in young children

Janssen

Cliff

Reilly

et al. 2014

Journal of Sports Sciences

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This version is available at https://strathprints.strath.ac.uk/52800/ Strathprints is designed to allow users to access the research output of the University of Strathclyde. Unless otherwise explicitly stated on the manuscript, Copyright © and Moral Rights for the papers on this site are retained by the individual authors and/or other copyright owners. Please check the manuscript for details of any other licences that may have been applied. You may not engage in further distribution of the material for any profitmaking activities or any commercial gain. You may freely distribute both the url (https://strathprints.strath.ac.uk/) and the content of this paper for research or private study, educational, or not-for-profit purposes without prior permission or charge.Any correspondence concerning this service should be sent to the Strathprints administrator: strathprints@strath.ac.ukThe Strathprints institutional repository (https://strathprints.strath.ac.uk) is a digital archive of University of Strathclyde research outputs. It has been developed to disseminate open access research outputs, expose data about those outputs, and enable the management and persistent access to Strathclyde's intellectual output.1 Evaluation of Actical equations and thresholds to predict physical activity intensity in young childrenXanne Janssen AbstractThis study examined the validity of current Actical activity energy expenditure equations and intensity cut-points in preschoolers using activity energy expenditure and direct observation as criterion measures. Forty 4-6 year-olds (5.3±1.0 years) completed a 150-min room calorimeter protocol involving age-appropriate sedentary behaviours, light intensity physical activities and moderate-to-vigorous intensity physical activities. Activity energy expenditure and/or physical activity intensity were calculated using Actical equations and cut-points by Adolph, Evenson, Pfeiffer and Puyau. Predictive validity was examined using paired sample t-tests. Classification accuracy was evaluated using weighted kappas, sensitivity, specificity, and area under the receiver operating and ≥ 287 counts15s -1 when classifying sedentary behaviour, light intensity physical activity and moderate-to-vigorous intensity physical activity, respectively, is recommended.

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Using Accelerometers in Youth Physical Activity Studies: A Review of Methods

Cited by 580 publications

References 61 publications

Domains of Daily Physical Activity in Children with Mitochondrial Disease: A 3D Accelerometry Approach

Domains of Daily Physical Activity in Children with Mitochondrial Disease: A 3D Accelerometry Approach

Web-Based Physical Activity Intervention for Latina Adolescents: Feasibility, Acceptability, and Potential Efficacy of the Ni�as Saludables Study (Preprint)

Evaluation of Actical equations and thresholds to predict physical activity intensity in young children

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