Relación entre estrés y conducción: evaluando las propiedades psicométricas de la Escala de Autopercepción del Estrés EAE-C en automovilistas del Gran Santiago, Chile

Road traffic accidents are one of the major problems affecting health in modern societies. The issue of traffic accidents is complex, encompassing various variables: the vehicle, the road, the environment, and the human factor. The human factor is considered the primary risk factor in traffic accide...

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Autores principales: Rodriguez Torres, Claudia, Sarmiento Loayza, Luis
Formato: Artículo revista
Lenguaje:Español
Publicado: Escuela de Salud Pública y Ambiente. Fac. Cs. Médicas UNC 2025
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Acceso en línea:https://revistas.unc.edu.ar/index.php/RSD/article/view/44544
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Sumario:Road traffic accidents are one of the major problems affecting health in modern societies. The issue of traffic accidents is complex, encompassing various variables: the vehicle, the road, the environment, and the human factor. The human factor is considered the primary risk factor in traffic accidents, present in approximately 90%, and within the human factor, stress while driving. This study aims to validate a stress measurement scale for driving. The instrument was applied to 210 individuals over the age of 18 who held a valid driver’s license and lived in Greater Santiago. The instrument showed good reliability levels, with an Alpha coefficient of 0.91, a CCI of 0.918, and a test-retest correlation of 0.851. According to Cronbach’s Alpha calculation based on item removal, it was found that all 37 questions are necessary for measuring stress in the scale. The top 25% highest scores had 110 or more points on the scale, and it is suggested that this score be taken as a cutoff point to identify a high level of stress. For construct validation, exploratory factor analysis was conducted, identifying three different types of driving stress, associated with driving profiles: stress from inexperienced driving, aggressive driving, and/or defensive driving. A confirmatory model was created with these three latent variables and with items having a factor loading greater than 0.5 in each factor. The main results show that the longer people have been driving, the lower the stress they feel (r = 0.345; p = 0.000). Women showed significantly higher stress levels than men (93.68 and 75.52 points, respectively; p = 0.000). The Driving Stress Self-Perception Scale (EAE-C) is a tool that links stress and driving, which can be used for drivers with high stress triggers, such as public transport operators, school bus drivers, and intercity bus drivers, among others.