Psychological stress factors and salivary cortisol in nursing students throughout their training.

Objective: to analyze psychological stress factors and salivary cortisol concentration in nursing undergraduates throughout their training.

Method: a cross-sectional, analytical, and comparative study carried out in an evening course using a sociodemographic questionnaire, an Instrument to Assess Stress in Nursing Students, and salivary cortisol analysis. The study included descriptive and comparative analyses and a multiple linear regression model.