Relationship between perfectionism and generalized anxiety disorder with mediating role of perseverative thinking

Aim: This study aimed to determine the mediating role of perseverative thinking in relationship between perfectionism and generalized anxiety disorder.
The study method was a descriptive-correlation one. Among 29800 patients was admitted to Razi hospital in the Qazvin city in year 2015, 221 patients that had the characteristics of generalized anxiety disorder were chosen by judgmental sampling method. The study instruments consisted of Flett and Hewitt perfectionism scale 1991, Spitzer generalized anxiety scale 2006, and Ehring, Zetsche, Weidacker, Wahl & Ehlers perseverative thinking questionnaires (2010).The data was analyzed by means of structural equation modeling.
Data analysis showed that: Perseverative thinking mediated the relationship between perfectionism and generalized anxiety disorder (β = 0.21, P>0.05). The direct effect of perfectionism on perseverative thinking (β = 0.47, P>0.01) and the direct effect of perfectionism on generalized anxiety disorder (β = 0.16, P>0.05). Were approved.
Perfectionism and perseverative thinking have predictive roles on generalized anxiety disorder. The perfectionists with perseverative thinking trait, experience more generalized anxiety disorder. It is recommended that in preparation of planning programs for generalized anxiety disorder treatment special attention be paid to perfectionism and perseverative thinking.