Objetives:

To assess the psychometric properties of the Short-Occupational Self-Efficacy Scale, a measure of individual variability that moderates the effect of stress.

Material and Methods:

188 Peruvian workers from various occupations and careers participated, who were selected through a non-probabilistic sampling. Structural equation modeling was used to evaluate the internal structure, reliability of the score and for each item; linear and ordinal regression was applied to examine the relationship with stress overload, psychological distress, efficacy for cope with difficulties, and cognitive difficulties.

Results:

The items formed a one-dimensional scale and maintained high factor loadings (greater than .80) after controlling for the effects of response bias. Reliability was .96 for the total score, and greater than .75 for each item. The score was a significant predictor of stress overload, distress, efficacy for coping with difficulties, and cognitive difficulties.

Conclusions:

The scores of the Short-Occupational Self-efficacy Scalecan be interpreted as a one-dimensional scale, with high reliability, statistically similar items, and with predictive capacity for positive and negative psychological effects.

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