• Grazyna Debska, Ewa Wilczek-Ruzyczka, Zofia Forys, and Pasek Malgorzata.
• Krakowska Akademia im. Andrzeja Frycza Modrzewskiego, Frycz Modrzewski Cracow University, Krakow, Poland. gdebska@afm.edu.pI
• Med Pr. 2013 Jan 1; 64 (3): 349-58.

BackgroundThe objective of this study was to assess psychometric properties of the Polish version of the Meister questionnaire for subjective assessment of work-related mental load among nurses.Material And MethodsA group of 211 nurses (mean age, 43.1 +/- 7.26) participated in our study. In the process of adaptation stability (test-retest) reliability and factorial validity were assessed. The Maslach Burnout Inventory (MBI) was used as a tool for assessing construct validity).ResultsFactor analysis of the questionnaire confirmed a very good fit between input data and factor model (Kaiser-Mayer-Olkin measure of 0.83). Selected variables, including overload, monotony, and non-specific load, explained 57%, 41%, and 66% of the variance, respectively. The analysis proved high validity of the tool, Cronbach alpha was 0.83 for the total score. The correlation factor for questions and scores in subscales was high. Repeated measurements resulted in similar outcomes, which proved the stability of this measure. The analysis of construct validity showed that overload, monotony, and non-specific load presented positive correlation with emotional exhaustion and depersonalisation. Correlation between variables was moderate (rHO = 0.39-0.58; p < 0.001). 'he total score indicated the following correlations: strong positive with emotional exhaustion (rHO = 0.6, p < 0.001), negative with personal achievements, and positive and moderate with depersonalisation (rHO = -0.14; p < 0.05, rHO = 0.48; p < 0.001).ConclusionThe Polish version of the Meister questionnaire meets all psychometric criteria and may be used for evaluating mental load among nurses.

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