The main purpose of the dissertation project is the scientific examination and determination of the correlation between work performance and lifestyle of employees, which is defined as patterns of behaviour and activities, i.e., physical activity and capacity/performance, stress, hydration, well-being, and satisfaction. The primary goal was to design a model to support employees in sedentary workplaces to optimize their work performance. Chosen parameters were selected to be implemented in organizations with sedentary jobs based on low financial and time investment so most organizations can use it. Data were collected through questionnaires, while workplace measurements were performed using a dynamometer to determine handgrip. We also calculated the estimated maximum oxygen usage (VO2max) based on the Jacobson formula. In research was included 122 employees (65 women, 57 men) working in sedentary workplaces, differentiated by gender, age, education, organization size, region, and hierarchy, were assessed. Job satisfaction (r = 0,38 – Pearson's correlation and rho = 0,35 Spearman's correlation) and life satisfaction (r = 0,29 – Pearson's correlation and rho = 0,24 Spearman's correlation) were found to be the most substantial predictor of employees' work performance in sedentary workplaces. The association was also demonstrated through a sense of stress management and sedentarily, showing a reversible effect on performance (r = -0,17). While we are focusing on sitting workplace physical activity didn't show a statistical impact on work performance, only in low correlation (r = 16) with those who drive to work by bicycle or walk. Despite many scientific confirmations that speak in favour of the positive influence of hydration on workplace performance, we could not confirm the statistical significance of the correlation (r = 0,08). The questionnaires' data about well-being were similar. Thus, the statistical significance of the correlation between well-being and performance in the workplace could not be proved. Based on the analysis of the results, we developed model proposals for designing employee training programs. Various regression models were created. The best model predicted 33,1% of employee performance (male) and 29 % for the female. Proposals for corporate wellness programs, including varieties of training, that can be used in part or as a whole in health promotion programs, were prepared. By optimizing data, care for life and work satisfaction, physical activity of transport to and from work, and reversible sedentarily, stressful burdens and limitation of physical activity and capacity/performance are included in the program.
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