Introduction:

Psychological well-being favors the functioning of personal and social life. Valid and reliable instruments are necessary for its evaluation that allow deciding and assessing the actions necessary to promote it.

Objective:

To evaluate the psychometric properties of the Scale of Psychological Well-being for Adults (BIEPS-A) in a Mexican sample.

Methods:

The BIEPS-A scale and the Rosenberg Self-Esteem Scale (RSES) were administered to 188 university students and 94 participants from the general population.

Results:

A parallel analysis detected a single factor in the BIEPS-A scale, structured by exploratory factor analysis (main components, oblique rotation) that retained 9 items and explained 54% of the variance. Internal consistency ranged from acceptable (Cronbach's α = .78) to high (ordinal alpha = .90). ROC curve analysis identified a cut-off point equivalent to the median (AUC = .72, p <.01) and another to the 75th percentile (AUC = .80, p <.01). The latter identified as a woman, between 18 and 25 years old with a low or slight level of self-esteem as predictors of a low level of psychological well-being. The BIEPS-A scale showed concurrent (r = .57) and predictive (β = .63) validity with the EAR.

Discussion and conclusions:

The BIEPS-A scale is a valid and reliable instrument to assess psychological well-being in the Mexican population. However, the differences with respect to its original structure indicate the need for a psychological well-being scale designed specifically for the Mexican population.

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