Abstract
Objective: To determine face, content, and construct validity, and internal consistency of ROL scale.
 Methods and Findings: A three-phase study was conducted. First, content analysis of the scale was carried out consulting 10 professional experts. Then, face validity was analyzed with 60 caregivers. Finally, construct validity was evaluated by performing an exploratory factor analysis (EFA) with 110 participants. Internal consistency of ROL scale was also assessed. Face validity of ROL scale reached a high acceptance index in three dimensions: role performance (0.97), role organization (0.98), and response to the role (0.98). Content validity showed coherence, clarity, and relevance of the scale. From factor analysis, three components emerged and were grouped in the same manner for varimax, quartimax, and equimax rotations. Cronbach's alpha was 0.816, which is an acceptable overall value.
 Conclusion: ROL scale makes objective the concept of role taking in family caregivers of people with chronic disease. It demonstrated to have acceptable reliability, and construct, face, and content validity to be used in the Colombian context.
 Keywords: Validation Study, Caregivers, Health Transitions, Chronic Disease.
Highlights
Chronic non-communicable diseases (CNCDs) represent the main cause of morbidity and mortality in the world
ROL scale makes objective the concept of role taking in family caregivers of people with chronic disease
In order to make objective the role-taking construct in family caregivers of people with CNCD, and using Afaf Meleis’s Transitions Theory as conceptual framework [11], the authors of this study proposed an instrument called Role taking in Family Caregivers of People with Chronic Disease −ROL Scale−, which is an indicator for caregiver’s role-taking process
Summary
Chronic non-communicable diseases (CNCDs) represent the main cause of morbidity and mortality in the world. People with CNCDs have progressive loss of functional ability, which leads to become partly or fully dependent for performing basic living activities [5, 6]. It entails direct and ongoing supervision in clinical and home settings, and family caregivers’ involvement. It involves new challenges to take on, which bring about changes in their personal, professional, economic and social lives [8, 9] These changes comprise a transition as the family member moves from being husband, mother, father, son, or brother of a healthy person to being caregiver of a person with CNCD. Content, and construct validity, and internal consistency of ROL scale
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