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Research Articles

A meta-analysis of Fitbit devices: same company, different models, different validity evidence

ORCID Icon, ORCID Icon, ORCID Icon & ORCID Icon
Pages 102-115 | Received 08 Sep 2021, Accepted 09 Nov 2021, Published online: 09 Dec 2021

References

  • Thompson WR. World survey of fitness trends for 2020. Health Fitness J. 2019;23(6):9.
  • Lunney A, Cunningham NR, Eastin MS. Wearable fitness technology: a structural investigation into acceptance and perceived fitness outcomes. Comput Hum Behav. 2016;65:114–120.
  • Lyons EJ, Lewis ZH, Mayrsohn BG, et al. Behavior change techniques implemented in electronic lifestyle activity monitors: a systematic content analysis. J Med Internet Res. 2014;16(8):e192.
  • Brickwood K-J, Watson G, O'Brien J, et al. Consumer-Based wearable activity trackers increase physical activity participation: systematic review and meta-analysis. JMIR Mhealth Uhealth. 2019;7(4):e11819.
  • Henriksen A, Mikalsen MH, Woldaregay AZ, et al. Using fitness trackers and smartwatches to measure physical activity in research: analysis of consumer wrist-worn wearables. J Med Internet Res. 2018;20(3):e110.
  • Hickey AM, Freedson PS. Utility of consumer physical activity trackers as an intervention tool in cardiovascular disease prevention and treatment. Prog Cardiovasc Dis. 2016;58(6):613–619.
  • Aroganam G, Manivannan N, Harrison D. Review on wearable technology sensors used in consumer sport applications. Sensors. 2019;19(9):1983.
  • Kaewkannate K, Kim S. A comparison of wearable fitness devices. BMC Public Health. 2016;16(1):433.
  • Danova T. 3.3 million fitness trackers were sold in the US in the past year – business insider. Business Insider; 2014 [cited 2020 Oct 16]. Available from: https://www.businessinsider.com/33-million-fitness-trackers-were-sold-in-the-us-in-the-past-year-2014-5
  • Associated Press. Google is buying Fitbit for $2.1 billion, betting on fitness wearables. Los Angeles Times. 2019 Nov 1 [cited 2020 Sep 9]. Available from: https://www.latimes.com/business/story/2019-11-01/google-to-buy-fitness-wearables-giant-fitbit-for-about-2-1-billion
  • Fitbit Inc. Fitbit official site for activity trackers & more; 2020 [cited 2020 Oct 16]. Available from: https://www.fitbit.com/global/us/home
  • Kraudel R. Valencell – national wearables survey reveals accuracy is top priority among consumers; lack of continually interesting insights among top reasons for discontinued use. Valencell. 2016 Jun 26 [cited 2020 Jun 27]. Available from: https://valencell.com/press/2016/06/national-wearables-survey-reveals-accuracy-is-top-priority-among-consumers-lack-of-continually-interesting-insights-among-top-reasons-for-discontinued-use/
  • Ferguson T, Rowlands AV, Olds T, et al. The validity of consumer-level, activity monitors in healthy adults worn in free-living conditions: a cross-sectional study. Int J Behav Nutr Phys Activ. 2015;12:1–9.
  • Nelson MB, Kaminsky LA, Dickin DC, et al. Validity of consumer-based physical activity monitors for specific activity types. Med Sci Sports Exerc. 2016;48(8):1619–1628.
  • Jung HC, Kang M, Lee NH, et al. Impact of placement of Fitbit HR under laboratory and free-living conditions. Sustainability. 2020;12(16):6306.
  • Montoye AHK, Vusich J, Mitrzyk J, et al. Heart rate alters, but does not improve, calorie predictions in Fitbit activity monitors. J Meas Phys Behav. 2018;1(1):9–17.
  • Evenson KR, Goto MM, Furberg RD. Systematic review of the validity and reliability of consumer-wearable activity trackers. Int J Behav Nutr Phys Activ. 2015;12:1–22.
  • Feehan LM, Geldman J, Sayre EC, et al. Accuracy of Fitbit devices: systematic review and narrative syntheses of quantitative data. JMIR Mhealth Uhealth. 2018;6(8):e10527.
  • Leung W, Case L, Jung J, et al. Factors associated with validity of consumer-oriented wearable physical activity trackers: a meta-analysis. J Med Eng Technol. 2021;45(3):223–236.
  • Neimann Rasmussen L, Montgomery P. The prevalence of and factors associated with inclusion of non-English language studies in Campbell systematic reviews: a survey and meta-epidemiological study. Syst Rev. 2018;7(1):129.
  • Moher D, Shamseer L, Clarke M, et al. Preferred reporting items for systematic review and meta-analysis protocols (PRISMA-P) 2015 statement. Syst Rev. 2015;4:1.
  • Dooley EE, Golaszewski NM, Bartholomew JB. Estimating accuracy at exercise intensities: a comparative study of self-monitoring heart rate and physical activity wearable devices. JMIR Mhealth Uhealth. 2017;5(3):e34.
  • Pribyslavska V, Caputo JL, Coons JM, et al. Impact of EPOC adjustment on estimation of energy expenditure using activity monitors. J Med Eng Technol. 2018;42(4):265–273.
  • Imboden MT, Nelson MB, Kaminsky LA, et al. Comparison of four Fitbit and jawbone activity monitors with a research-grade ActiGraph accelerometer for estimating physical activity and energy expenditure. Br J Sports Med. 2018;52(13):844–850.
  • Post MW. What to do with “moderate” reliability and validity coefficients? Arch Phys Med Rehabil. 2016;97(7):1051–1052.
  • Borenstein M, Hedges L, Higgins J, et al. Introduction to meta-analysis. West Sussex: John Wiley & Sons; 2009.
  • Diaz KM, Krupka DJ, Chang MJ, et al. Validation of the Fitbit one® for physical activity measurement at an upper torso attachment site. BMC Res Notes. 2016;9(1):1–9.
  • Adam Noah J, Spierer DK, Gu J, et al. Comparison of steps and energy expenditure assessment in adults of Fitbit tracker and ultra to the actical and indirect calorimetry. J Med Eng Technol. 2013;37(7):456–462.
  • Boudreaux BD, Hebert EP, Hollander DB, et al. Validity of wearable activity monitors during cycling and resistance exercise. Med Sci Sports Exerc. 2018;50(3):624–633.
  • Chowdhury EA, Western MJ, Nightingale TE, et al. Assessment of laboratory and daily energy expenditure estimates from consumer multi-sensor physical activity monitors. PLOS One. 2017;12(2):e0171720.
  • Kendall B, Bellovary B, Gothe NP. Validity of wearable activity monitors for tracking steps and estimating energy expenditure during a graded maximal treadmill test. J Sports Sci. 2019;37(1):42–49.
  • Lee IM, Shiroma EJ. Using accelerometers to measure physical activity in large-scale epidemiological studies: issues and challenges. Br J Sports Med. 2014;48(3):197–201.
  • Morris CE, Wessel PA, Tinius RA, et al. Validity of activity trackers in estimating energy expenditure during high-intensity functional training. Res Quart Exerc Sport. 2019;90(3):377–384.
  • Nuss KJ, Thomson EA, Courtney JB, et al. Assessment of accuracy of overall energy expenditure measurements for the Fitbit charge HR 2 and apple watch. Am J Health Behav. 2019;43(3):498–505.
  • Siddall AG, Powell SD, Needham‐Beck SC, et al. Validity of energy expenditure estimation methods during 10 days of military training. Scand J Med Sci Sports. 2019;29(9):1313–1321.
  • Zhang P, Burns RD, Fu Y, et al. Agreement between the apple series 1, LifeTrak core C200, and Fitbit charge HR with indirect calorimetry for assessing treadmill energy expenditure. Int J Environ Res Public Health. 2019;16(20):3812.
  • O’Driscoll R, Turicchi J, Hopkins M, et al. The validity of two widely used commercial and research-grade activity monitors, during resting, household and activity behaviours. Health Technol. 2020;10(3):637–648.
  • Welk GJ. Principles of design and analyses for the calibration of accelerometry-based activity monitors. Med Sci Sports Exerc. 2005;37(11 Suppl.):S501–S511.
  • Freedson P, Pober D, Janz KF. Calibration of accelerometer output for children. Med Sci Sports Exerc. 2005;37(11 Suppl.):S523–S530.
  • Strath SJ, Bassett DR, Swartz AM, et al. Simultaneous heart rate-motion sensor technique to estimate energy expenditure. Med Sci Sports Exerc. 2001;33:2118–2123.
  • Rodriguez G, Béghin L, Michaud L, et al. Comparison of the TriTrac-R3D accelerometer and a self-report activity diary with heart-rate monitoring for the assessment of energy expenditure in children. Br J Nutr. 2002;87(6):623–631.
  • Tikkanen O, Kärkkäinen S, Haakana P, et al. EMG, heart rate, and accelerometer as estimators of energy expenditure in locomotion. Med Sci Sports Exerc. 2014;46(9):1831–1839.
  • Sushames A, Edwards A, Thompson F, et al. Validity and reliability of Fitbit flex for step count, moderate to vigorous physical activity and activity energy expenditure. PLOS One. 2016;11(9):e0161224.
  • Bjornson KF, Belza B. Ambulatory activity monitoring in youth: state of the science. Pediatr Phys Ther. 2004;16(2):82–89.
  • Zorrilla-Revilla G, Mateos A, Prado-Nóvoa O, et al. Carrying loads: validating a portable tri-axial accelerometer during frequent and brief physical activity. J Sci Med Sport. 2017;20(8):771–776.
  • Tedesco S, Sica M, Ancillao A, et al. Accuracy of consumer-level and research-grade activity trackers in ambulatory settings in older adults. PLOS One. 2019;14(5):e0216891.
  • McVeigh JA, Ellis J, Ross C, et al. Convergent validity of the Fitbit charge 2 to measure sedentary behavior and physical activity in overweight and obese adults. J Meas Phys Behav. 2021;4(1):39–46.
  • Redenius N, Kim Y, Byun W. Concurrent validity of the Fitbit for assessing sedentary behavior and moderate-to-vigorous physical activity. BMC Med Res Methodol. 2019;19(1):29.
  • Mikkelsen MLK, Berg-Beckhoff G, Frederiksen P, et al. Estimating physical activity and sedentary behaviour in a free-living environment: a comparative study between Fitbit charge 2 and ActiGraph GT3X. PLOS One. 2020;15(6):e0234426.
  • Dominick GM, Winfree KN, Pohlig RT, et al. Physical activity assessment between consumer- and research-grade accelerometers: a comparative study in free-living conditions. JMIR Mhealth Uhealth. 2016;4(3):e110.
  • Reid RER, Insogna JA, Carver TE, et al. Validity and reliability of Fitbit activity monitors compared to ActiGraph GT3X + with female adults in a free-living environment. J Sci Med Sport. 2017;20(6):578–582.
  • Plasqui G, Bonomi AG, Westerterp KR. Daily physical activity assessment with accelerometers: new insights and validation studies. Obes Rev. 2013;14(6):451–462.
  • Fitbit SmartTrackTM auto exercise recognition; 2021 [cited 2021 Feb 5]. Available from: https://www.fitbit.com/in/smarttrack
  • Kamada M, Shiroma EJ, Harris TB, et al. Comparison of physical activity assessed using hip- and wrist-worn accelerometers. Gait Posture. 2016;44:23–28.
  • Yang CC, Hsu YL. A review of accelerometry-based wearable motion detectors for physical activity monitoring. Sensors. 2010;10(8):7772–7788.
  • Passler S, Bohrer J, Blöchinger L, et al. Validity of wrist-worn activity trackers for estimating VO2max and energy expenditure. Int J Environ Res Public Health. 2019;16(17):3037.
  • Michaelis JR, Rupp MA, Kozachuk J, et al. Describing the user experience of wearable fitness technology through online product reviews. Proc Hum Fact Ergon Soc Annu Meet. 2016;60(1):1073–1077.
  • Lynch BA, Kaufman TK, Rajjo TI, et al. Accuracy of accelerometers for measuring physical activity and levels of sedentary behavior in children: a systematic review. J Prim Care Community Health. 2019;10:2150132719874252.
  • McLellan G, Arthur R, Buchan DS. Wear compliance, sedentary behaviour and activity in free-living children from hip- and wrist-mounted ActiGraph GT3X + accelerometers. J Sports Sci. 2018;36(21):2424–2430.
  • Haghayegh S, Khoshnevis S, Smolensky MH, et al. Accuracy of wristband Fitbit models in assessing sleep: systematic review and meta-analysis. J Med Internet Res. 2019;21(11):e16273.
  • Wahl Y, Dueking P, Droszez A, et al. Criterion-validity of commercially available physical activity tracker to estimate step count, covered distance and energy expenditure during sports conditions. Front Physiol. 2017;8
  • Montoye AHK, Pivarnik JM, Mudd LM, et al. Validation and comparison of accelerometers worn on the hip, thigh, and wrists for measuring physical activity and sedentary behavior. AIMS Public Health. 2016;3(2):298–312.
  • Thiese MS, Hegmann KT, Behrens TK, et al. Important differences in accelerometer cut points for quantifying physical activity in a nested occupational cohort. J Exercise, Sports & Orthopedics. 2014;1(1)
  • Bai Y, Hibbing P, Mantis C, et al. Comparative evaluation of heart rate-based monitors: Apple watch vs fitbit charge HR. J Sports Sci. 2018;36(15):1734–1741.
  • Bai Y, Welk GJ, Nam YH, et al. Comparison of consumer and research monitors under semistructured settings. Med Sci Sports Exerc. 2016;48(1):151–158.
  • Gusmer RJ, Bosch TA, Watkins AN, et al. Comparison of FitBit® ultra to actiGraphTM GT1M for assessment of physical activity in young adults during treadmill walking. TOSMJ. 2014;8(1):11–15.
  • Lamont RM, Daniel HL, Payne CL, et al. Accuracy of wearable physical activity trackers in people with parkinson’s disease. Gait & Posture. 2018; 63:104–108.
  • Li K, Nuss K, Thomson EA, et al. Validation of overall energy expenditure measurements in the fitbit charge HR 2 and apple watch: 2721 board #4 june 1 2. Med Sci Sports Exer. 2018;50:661.
  • Montoye AHK, Mitrzyk JR, Molesky MJ. Comparative accuracy of a wrist-worn activity tracker and a smart shirt for physical activity assessment. Measurement Phy Education Exer Sci. 2017;21(4):201–211.
  • O’Driscoll R, Turicchi J, Hopkins M, et al. The validity of two widely used commercial and research-grade activity monitors, during resting, household and activity behaviours. Health Technol. 2020;10(3):637–648.
  • Price K, Bird SR, Lythgo N, et al. Validation of the fitbit one, garmin vivofit and jawbone up activity tracker in estimation of energy expenditure during treadmill walking and running. J Med Eng Tech. 2017;41(3):208–215.
  • Reddy RK, Pooni R, Zaharieva DP, et al. Accuracy of wrist-worn activity monitors during common daily physical activities and types of structured exercise: evaluation study. JMIR Mhealth Uhealth. 2018;6(12):e10338.
  • Sasaki JE, Hickey A, Mavilia M, et al. Validation of the fitbit wireless activity tracker for prediction of energy expenditure. J Phys Act Health. 2015;12(2):149–154.
  • Stackpool CM, Porcari JP, Mikat RP, et al. The accuracy of various activity trackers in estimating steps taken and energy expenditure. J Fitness Res. 2014;3(3):32–48.
  • Thiebaud RS, Funk MD, Patton JC, et al. Validity of wrist-worn consumer products to measure heart rate and energy expenditure. Digit Health. 2018;4:2055207618770322–2055207618770327.
  • Wallen MP, Gomersall SR, Keating SE, et al. Accuracy of heart rate watches: implications for weight management. PLOS One. 2016;11(5):e0154420.

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