Using mixed-method feasibility studies to examine the impact of a mobile standing desk on undergraduates' sedentary time.

SEDENTARY lifestyles; FURNITURE design; STANDING position; RESEARCH methodology; UNDERGRADUATES; ERGONOMICS; T-test (Statistics); QUESTIONNAIRES

To understand experiences with and measure the effect of mobile standing desks (MSD) on undergraduates' sedentary time (ST). Two samples of full-time undergraduates in Fall 2018. Study 1 (n = 21): baseline average daily ST was measured via activPAL4TM inclinometers and the NIGHTLY-WEEK-U questionnaire for 7 days. Participants received a MSD for one week then intervention ST was calculated. Study 2 (n = 28): baseline ST was measured with an online NIGHTLY-WEEK-U questionnaire, participants received a MSD for one month, then intervention ST was calculated. Paired-sample t-tests assessed differences. Interviews/online questions explored experiences. Study 1: objectively measured (p =.0045, d =.71) and self-report (p =.0005, d =.92) ST reduced significantly post-intervention. Study 2: ST reduced significantly post-intervention (p = <.0001, d =.98). Facilitators and barriers to desk usage were described. MSD were effective for reducing undergraduates' ST across one-week and one-month. [ABSTRACT FROM AUTHOR]

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