[Causes of stress in the workplace: survey of 223 formal private sector employees in the city of Ouagadougou]. / Facteurs de stress en entreprise: cas de 223 salariés des entreprises privées formelles (EPF) de la ville de Ouagadougou.

INTRODUCTION: in Burkina Faso, work-related stress is a public health problem. The purpose of this study is to evaluate factors of stress among formal private sector employees in the city of Ouagadougou. METHODS: we conducted a survey using the 26-item scale derived from Karasek and the 23-item scale derived from Siegrist. Validated Karasek and Siegrist´s models as well as SPSS software were used to analyze data. RESULTS: we surveyed 223 employees (186 men and 37 women) with an average age of 36.70 years ± δ = 33.25. In addition, 70,40% of employees had job strain; 50,22% iso strain and 52,02% effort-reward imbalance. Post-hoc analyses showed the following stress factors: great efforts and poor decision-making ability. CONCLUSION: this study confirms the presence of stress among private sector employees and highlights the importance of combining Karasek and Siegrist's questionnaires in the study of stress factors.