Work-related factors predict changes in physical activity among nurses participating in a web-based worksite intervention: A randomized controlled trial

Jennifer Brunet, Melissa Black, Heather E Tulloch, Andrew L Pipe, Robert D Reid, Jennifer L Reed, Jennifer Brunet, Melissa Black, Heather E Tulloch, Andrew L Pipe, Robert D Reid, Jennifer L Reed

Abstract

Background: Despite the numerous benefits associated with physical activity (PA), most nurses are not active enough and few interventions have been developed to promote PA among nurses. A secondary analysis of raw data from a single-centre, three-arm parallel-group randomized controlled trial was conducted to assess whether work-related characteristics and general mood states predict changes in total weekly moderate-to-vigorous intensity PA (MVPA) and average daily step-count among nurses participating in a 6-week web-based worksite intervention.

Methods: Seventy nurses (meanage: 46.1 ± 11.2 years) were randomized to an individual-, friend-, or team-based PA challenge. Participants completed questionnaires pre- and post-intervention assessing work-related characteristics (i.e., shift schedule and length, number of hours worked per week, work role) and general mood states (i.e., tension, depression, anger, confusion, fatigue, vigour). Participants received a PA monitor to wear before and during the 6-week PA challenge, which was used to assess total weekly MVPA minutes and average daily step-count. Data were analyzed descriptively and using multilevel modeling for repeated measures.

Results: Change in total weekly MVPA minutes, but not change in average daily step-count, was predicted by shift schedule (rotating vs. fixed) by time (estimate = - 17.43, SE = 6.18, p = .006), and work role (clinical-only vs. other) by time (estimate = 18.98, SE = 6.51, p = .005). General mood states did not predict change in MVPA or change in average daily step-count.

Conclusions: Given that nurses who work rotating shifts and perform clinical work showed smaller improvements in MVPA, it may be necessary to consider work-related factors/barriers (e.g., time constraints, fatigue) and collaborate with nurses when designing and implementing MVPA interventions in the workplace.

Trial registration: ClinicalTrials.gov: NCT04524572 . August 24, 2020. This trial was registered retrospectively. This study adheres to the CONSORT 2010 statement guidelines.

Keywords: Health promotion; Nursing; Physical activity; Randomized controlled trial; Workplace intervention.

Conflict of interest statement

The authors declare that they have no known conflicts of interest.

© 2021. The Author(s).

Figures

Fig. 1
Fig. 1
Consolidated Standards of Reporting Trials (CONSORT) flow diagram of nurses recruited and reasons for withdrawals
Fig. 2
Fig. 2
Interaction of (A) work role and time, (B) work role and time squared, (C) shift schedule and time, and (D) shift schedule and time squared in predicting total weekly MVPA minutes

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Source: PubMed

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