Psychometric testing and evaluation of user acceptance of an automatic lateral turning device for the prevention of pressure ulcers.

Abstract

INTRODUCTION\nRepositioning of patients with reduced or impaired mobility could lessen pressure ulcers (PU). Automated preventive devices can support nurses, but user acceptance must be determined with valid and reliable tools. This study measured user acceptance of an automatic lateral turning device, using a self-developed questionnaire.\n\n\nMETHOD\nThe study included 194 nurses in leadership positions from 75 institutions. A two-page user acceptance questionnaire was designed and tested for internal validity (exploratory factor analysis; EFA) and reliability (Cronbach s-α). A linear regression analysis was used to test the model s theoretical framework.\n\n\nRESULTS\nThe overall response rate was 74.9%. The EFA revealed five exploratory factors ( pain/well-being , PU prevention , handling , nurse support , and obese patient support ) from the two outcomes ( general satisfaction and can replace manual repositioning ). The adjusted r2 was 0.607 for general satisfaction , with the maximum standardized β for PU prevention (0.476), pain/well-being (β\xa0=\xa00.197) and handling (β\xa0=\xa00.145). The adjusted r2 for can replace manual positioning was 0.458. The β for nurse support was 0.264, followed by pain-wellbeing (β\xa0=\xa00.224) and obese patient support (β\xa0=\xa00.218).\n\n\nCONCLUSION\nThe psychometric testing results were satisfactory. Overall user acceptance of the automatic lateral turning device was high. A positive evaluation of the system s functionality, regarding the prevention of PU, is essential for patient and staff satisfaction, as well as user recommendation.