Promoting physical activity using a wearable activity tracker in college students: A cluster randomized controlled trial

Youngdeok Kim, Angela Lumpkin, Marc Lochbaum, Steven Stegemeier, Karla Kitten

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

This study examined the effects of utilizing a wearable activity tracker in a credit-based physical activity instructional program (PAIP) for promoting physical activity (PA) in college students. Fourteen PAIP courses in a large public university were randomly assigned into intervention (k = 7; n = 101) and control (k = 7; n = 86) groups. All courses focused on a core curriculum that covers basic exercise and behavioral science contents through lectures and activity sessions. A Misfit Flash activity tracker was provided to students in the intervention group. Objective PA assessments occurred at baseline, mid-, and end-of-semester during a 15-week academic semester. The control group showed a significant reduction in moderate- and vigorous-intensity PA (MVPA) minutes from baseline to the end-of-semester (P <.05), whereas the intervention group showed no changes in MVPA minutes over time. However, the intervention group also showed increased sedentary time and decreased time spent in light-intensity PA during the intervention period. Taken together, the present study found null effects of utilizing the wearable activity tracker in promoting PA in college students suggesting that intervention of primary using the wearable activity tracker as a behavior change strategy may not be effective to increase in PA in this setting.

Original languageEnglish
Pages (from-to)1889-1896
Number of pages8
JournalJournal of Sports Sciences
Volume36
Issue number16
DOIs
StatePublished - Aug 18 2018

Keywords

  • Health promotion
  • behavioral change
  • moderate and vigorous-intensity physical activity

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