Objectives: This pilot study tested the use of an exercise offer to hospital employees during working hours and changes in work and health parameters. Methods: Employees (n = 214) from a medical department on a Danish hospital were invited to 30 minutes' exercise training twice weekly for 12 weeks. Outcomes included health-and work-related parameters. Results: Eighty employees (mean age, 44.4 [SD, 10.7] years; 81.3% women) completed the study. Intervention adherence was 36.3% (SD, 25.1%). Aerobic capacity increased from 34.6 (95% confidence interval [CI], 32.3 to 36.9) to 36.7 (95% CI, 34.1 to 39.4) mL O 2 /min per kilogram, P = 0.004. Blood pressure decreased from 120 (95% CI, 117 to 123)/79 (95% CI, 76 to 81) to 116 (95% CI, 112 to 120)/76 (95% CI, 74 to 79) mm Hg, P = 0.003. Waist circumference and musculoskeletal pain decreased. Well-being, social capital, and quality of life increased. Conclusions: Despite low training adherence, completers improved outcomes related to metabolic and self-rated health.

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