Can health interventions float? A process evaluation of workplace health intervention on board a vessel in the North Sea.

Publication date: Jul 15, 2025

To promote the physical and mental health of employees in a maritime setting and provide knowledge and tools to assist seafarers in managing daily challenges. The intervention drew on a goal-based approach, including workshops, coaching, health checks, interviews, and questionnaires. A process evaluation was used to explore intervention challenges and barriers. Results show that an intervention at sea is complex and needs flexibility. Findings varied, and the main challenges were low participation in one group and lack of continuity due to Covid-19. Data showed a significant positive shift in how the crew rated perceived stress and a statistically significant increase in intake of salad, fish, and vegetarian food. Workplace interventions in poor health status settings are complex, necessary, and possible, and management’s participation is crucial. Increased awareness was achieved. The results showed some positive changes, such as lower stress levels and more intake of salad, fish, and vegetarian food. Flexibility is important for workplace interventions. Workplace interventions contribute to health and wellbeing with appropriate management support.

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