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The preventive services use self-efficacy (PRESS) scale in older women: Development and psychometric properties

Jacob, ME and Lo-Ciganic, WH and Simkin-Silverman, LR and Albert, SM and Newman, AB and Terhorst, L and Bilt, JV and Zgibor, JC and Schlenk, EA (2016) The preventive services use self-efficacy (PRESS) scale in older women: Development and psychometric properties. BMC Health Services Research, 16 (1).

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Background: Preventive services offered to older Americans are currently under-utilized despite considerable evidence regarding their health and economic benefits. Individuals with low self-efficacy in accessing these services need to be identified and provided self-efficacy enhancing interventions. Scales measuring self-efficacy in the management of chronic diseases exist, but do not cover the broad spectrum of preventive services and behaviors that can improve the health of older adults, particularly older women who are vulnerable to poorer health and lesser utilization of preventive services. This study aimed to evaluate the psychometric properties of a new preventive services use self-efficacy scale, by measuring its internal consistency reliability, assessing internal construct validity by exploring factor structure, and examining differences in self-efficacy scores according to participant characteristics. Methods: The Preventive Services Use Self-Efficacy (PRESS) Scale was developed by an expert panel at the University of Pittsburgh Center for Aging and Population Health - Prevention Research Center. It was administered to 242 women participating in an ongoing trial and the data were analyzed to assess its psychometric properties. An exploratory factor analysis with a principal axis factoring approach and orthogonal varimax rotation was used to explore the underlying structure of the items in the scale. The internal consistency of the subscales was assessed using Cronbach's alpha coefficient. Results: The exploratory factor analysis defined five self-efficacy factors (self-efficacy for exercise, communication with physicians, self-management of chronic disease, obtaining screening tests, and getting vaccinations regularly) formed by 16 items from the scale. The internal consistency of the subscales ranged from.81 to.94. Participants who accessed a preventive service had higher self-efficacy scores in the corresponding sub-scale than those who did not. Conclusions: The 16-item PRESS scale demonstrates preliminary validity and reliability in measuring self-efficacy in the use of preventive services among older women. It can potentially be used to evaluate the impact of interventions designed to improve self-efficacy in the use of preventive services in community-dwelling older women.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Jacob, MEmej49@pitt.eduMEJ49
Lo-Ciganic, WH
Simkin-Silverman, LRlrs@pitt.eduLRS
Albert, SMsmalbert@pitt.eduSMALBERT0000-0001-6786-9956
Terhorst, Llat15@pitt.eduLAT150000-0001-6376-1470
Bilt, JV
Zgibor, JCedcjan@pitt.eduEDCJAN
Schlenk, EAels100@pitt.eduELS1000000-0001-7361-1951
Date: 20 February 2016
Date Type: Publication
Journal or Publication Title: BMC Health Services Research
Volume: 16
Number: 1
DOI or Unique Handle: 10.1186/s12913-016-1321-x
Schools and Programs: School of Public Health > Behavioral and Community Health Sciences
School of Public Health > Epidemiology
School of Health and Rehabilitation Sciences > Health and Rehabilitation Sciences
School of Nursing > Nursing
Refereed: Yes
Date Deposited: 22 Aug 2016 18:44
Last Modified: 30 Mar 2021 17:55


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