Structural Model of the Relationship between Psychological Capital and Perceived Social Support with Anxiety through the Mediation of Organizational Commitment among Female Nurses

Nursing is one of the most stressful jobs that can cause anxiety for employees in this profession, which affects their health and the quality of healthcare services. The aim of this study was to investigate the structural model of the relationship between psychological capital and perceived social support with anxiety through the mediation of organizational commitment among female nurses.

This descriptive correlational study was conducted with theparticipation of 320 female nurses working in public and private hospitals in Rasht in 2019, who were selected via convenience sampling method. Data were collected via Luthans Psychological Capital Questionnaire, the Zimet Multidimensional Perceived Social Support Questionnaire, the Allen & Meyer Organizational Commitment Questionnaire, and the Zung Anxiety Scale. Data were analyzed using SPSS version 22 and AMOS version 22 software using Pearson correlation coefficient and structural equation modeling.

With the increase in psychological capital score with a mean (SD) of 100.9 (18.0) and perceived social support score with a mean (SD) of 63.5 (12.9), the score of anxiety with a mean (SD) of 37.3 (8.9) decreased, P<0.01. With increasing psychological capital score and social support score, the score of organizational commitment increased with a mean (SD) of 103.6 (15.9), P<0.01. In addition, with increasing organizational commitment score, the score of anxiety decreased, P<0.01. Psychological capitaland social support also indirectly reduced nurses' anxiety by increasing organizational commitment.

The study showed that nurses' anxiety decreased with increasing psychological capital, perceived social support, and organizational commitment.The organizational commitment had a mediating role in the relationship between psychological capital and perceived social support with anxiety, which psychological capital and social support increased organizational commitment and thus reduced nurses' anxiety