Adaptation and validation of Polish Version of Reasons for Living Inventory (RFL-48) by M.M. Linehan et al.

Abstract

The aim of the study was to develop the Polish version of the Reasons for Living Inventory (RFL-48) of Linehan et al. The questionnaire is a self-descriptive tool designed to measure six factors protecting against committing suicide: "Survival and Coping Beliefs", "Responsibility to Family", "Fear of Suicide", "Moral Objections", "Fear of Social Disapproval", "Child-Related Concerns". The original version of the method was characterized by good psychometric properties. A sample of 431 adults (236 women and 195 men), aged 18-65 years (mean age was 33 years, SD = 11.33), was recruited as a non-clinical group from various regions of Poland. The Beck's Depression Inventory, Suicide Behaviors Questionnaire-Revised and Positivity Scale were also used to evaluate the construct validity of the RFL-48. Exploratory and confirmatory factor analysis supported an assumed six-dimensional structure of the questionnaire. Cronbach's alpha ranged from 0.70 ("Fear of Suicide") to 0.95 ("Survival and Coping Beliefs") and amounted to 0.92 for the total score. The findings indicate that the Polish adaptation of the RFL questionnaire by Linehan et al. has good psychometric characteristics and can be used in both research and clinical practice.