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Measures of physical activity using cell phones: validation using criterion methods.
Bexelius C, Löf M, Sandin S, Trolle Lagerros Y, Forsum E, Litton JE. Bexelius C, et al. J Med Internet Res. 2010 Jan 29;12(1):e2. doi: 10.2196/jmir.1298. J Med Internet Res. 2010. PMID: 20118036 Free PMC article.
OBJECTIVE: This study evaluates repeated measures of physical activity level (PAL) and the feasibility of using a Java-based questionnaire downloaded onto cell phones for collection of such data. ...Java-based questionnaires downloaded onto c
OBJECTIVE: This study evaluates repeated measures of physical activity level (PAL) and the feasibility of using a Java- …
A validation study of the use of smartphones and wrist-worn ActiGraphs to measure physical activity at different levels of intensity and step rates in older people.
Kwan RYC, Liu JYW, Lee D, Tse CYA, Lee PH. Kwan RYC, et al. Gait Posture. 2020 Oct;82:306-312. doi: 10.1016/j.gaitpost.2020.09.022. Epub 2020 Sep 28. Gait Posture. 2020. PMID: 33007688
BACKGROUND: Physical activity promotes healthy ageing in older people. Accurate measurement of physical activity in free-living environment is important in evaluating physical activity interventions. RESEARCH QUESTION: What is the …
BACKGROUND: Physical activity promotes healthy ageing in older people. Accurate measurement of physical activ
Validity of Consumer Activity Monitors and an Algorithm Using Smartphone Data for Measuring Steps during Different Activity Types.
Hartung V, Sarshar M, Karle V, Shammas L, Rashid A, Roullier P, Eilers C, Mäurer M, Flachenecker P, Pfeifer K, Tallner A. Hartung V, et al. Int J Environ Res Public Health. 2020 Dec 12;17(24):9314. doi: 10.3390/ijerph17249314. Int J Environ Res Public Health. 2020. PMID: 33322833 Free PMC article.
The aim of this study was to determine the concurrent validity of various consumer activity monitor models and smartphone models for measuring steps. ...Conclusion: This study highlights the potential of smartphones for physical activity meas
The aim of this study was to determine the concurrent validity of various consumer activity monitor models and smartphone mode …
Smartphone App (2kmFIT-App) for Measuring Cardiorespiratory Fitness: Validity and Reliability Study.
Muntaner-Mas A, Martinez-Nicolas A, Quesada A, Cadenas-Sanchez C, Ortega FB. Muntaner-Mas A, et al. JMIR Mhealth Uhealth. 2021 Jan 8;9(1):e14864. doi: 10.2196/14864. JMIR Mhealth Uhealth. 2021. PMID: 33416503 Free PMC article.
METHODS: Twenty participants were included for field-testing validation and reliability analysis. The participants completed the UKK test twice using 2kmFIT-App. Distance and HR were measured with the app as well as with accurate methods, and VO2max wa
METHODS: Twenty participants were included for field-testing validation and reliability analysis. The participants completed t
Video-Based System for Automatic Measurement of Barbell Velocity in Back Squat.
Pueo B, Lopez JJ, Mossi JM, Colomer A, Jimenez-Olmedo JM. Pueo B, et al. Sensors (Basel). 2021 Jan 30;21(3):925. doi: 10.3390/s21030925. Sensors (Basel). 2021. PMID: 33573170 Free PMC article.
A custom image-processing algorithm allows for the detection of reference points of a multipower machine to autocalibrate and automatically track barbell markers to give real-time kinematic-derived parameters. Validity and reliability were studied by comparing the simultan …
A custom image-processing algorithm allows for the detection of reference points of a multipower machine to autocalibrate and automatically …
Validity of smartphone pedometer applications.
Orr K, Howe HS, Omran J, Smith KA, Palmateer TM, Ma AE, Faulkner G. Orr K, et al. BMC Res Notes. 2015 Nov 30;8:733. doi: 10.1186/s13104-015-1705-8. BMC Res Notes. 2015. PMID: 26621351 Free PMC article. Clinical Trial.
The Yamax SW-200 pedometer and observed step counts were used as criterion measures. RESULTS: Analyses identified an unacceptable error percentage in all of the applications compared to the pedometer. CONCLUSIONS: Given the inaccuracy of these applications, caution …
The Yamax SW-200 pedometer and observed step counts were used as criterion measures. RESULTS: Analyses identified an unaccepta …
Validation of a smart chair and corresponding smartphone app as an objective measure of desk-based sitting.
Arrogi A, Boen F, Seghers J. Arrogi A, et al. J Occup Health. 2019 Jan;61(1):121-127. doi: 10.1002/1348-9585.12033. J Occup Health. 2019. PMID: 30698337 Free PMC article.
OBJECTIVES: This study evaluated the validity of a smart chair and corresponding smartphone app (chair&app) to measure sitting time and sitting interruptions against camera-derived observation and activPAL. ...Total sitting time and the number of sitting interru …
OBJECTIVES: This study evaluated the validity of a smart chair and corresponding smartphone app (chair&app) to measure sit …
Validity of smartphones and activity trackers to measure steps in a free-living setting over three consecutive days.
Höchsmann C, Knaier R, Infanger D, Schmidt-Trucksäss A. Höchsmann C, et al. Physiol Meas. 2020 Jan 30;41(1):015001. doi: 10.1088/1361-6579/ab635f. Physiol Meas. 2020. PMID: 31851949 Free PMC article.
OBJECTIVE: This study assessed the validity of a consumer activity wristband, a smartphone, and a research-grade accelerometer to measure steps in a free-living setting. ...All activities of daily living were recorded in 15 min intervals in a diary. The StepW …
OBJECTIVE: This study assessed the validity of a consumer activity wristband, a smartphone, and a research-grade accelerometer …
Validity and bias on the online active Australia survey: activity level and participant factors associated with self-report bias.
Curtis RG, Olds T, Plotnikoff R, Vandelanotte C, Edney S, Ryan J, Maher C. Curtis RG, et al. BMC Med Res Methodol. 2020 Jan 10;20(1):6. doi: 10.1186/s12874-020-0896-4. BMC Med Res Methodol. 2020. PMID: 31924171 Free PMC article.
METHODS: The online Active Australia Survey was validated against the GENEActiv accelerometer as a direct measure of activity. ...RESULTS: The association between moderate-to-vigorous physical activity reported on the online Active Austra
METHODS: The online Active Australia Survey was validated against the GENEActiv accelerometer as a direct measure of
Measurement Properties of Smartphone Approaches to Assess Diet, Alcohol Use, and Tobacco Use: Systematic Review.
Thornton L, Osman B, Champion K, Green O, Wescott AB, Gardner LA, Stewart C, Visontay R, Whife J, Parmenter B, Birrell L, Bryant Z, Chapman C, Lubans D, Slade T, Torous J, Teesson M, Van de Ven P. Thornton L, et al. JMIR Mhealth Uhealth. 2022 Feb 17;10(2):e27337. doi: 10.2196/27337. JMIR Mhealth Uhealth. 2022. PMID: 35175212 Free PMC article. Review.
Across the health behaviors, 18 different measurement techniques were used in smartphones. The measurement properties most commonly examined were construct validity, measurement error, and criterion validity. ...The methodological quality …
Across the health behaviors, 18 different measurement techniques were used in smartphones. The measurement properties most com …
15 results