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ABSTRACT
Background: To date, research investigating workers’ engagement in physical activity while working and living in constrictive environments is limited. Purpose: The purpose of this study was to identify the determinants and prevalence of physical activity among mariners and to understand factors associated with exercise while working on the towboat. Methods: The study utilized constructs from the PRECEDE-PROCEED planning model to explore perceived benefits, barriers, and motivation for physical activity (PA) among mariners using a cross-sectional survey and anthropometric measurements. Results: Only 29% of participants met moderate PA guidelines, and 34% met vigorous PA guidelines. Deckhands were most likely to meet moderate (49%) and vigorous (51%) guidelines and were significantly more likely to meet guidelines compared to all other occupations on the boat. Nearly all participants (92.9%) were considered overweight or obese. Nonexercisers were significantly more likely to suggest shift work and weather as barriers to PA. Discussion: Findings suggest that mariners are at increased risk of chronic disease and the constrictive environment of the towboat is obesogenic by promoting physical inactivity. Translation to Health Education Practice: PA changes must be considered because results reinforce the significance impact of outside forces, including split shift work and the built environment, on health behaviors.
Disclosure statement
No potential conflict of interest was reported by the authors.