What Shapes Health App Use and Its Outcomes in Emerging Adults? The Cognitive Appraisals and Motivational Orientation Model

= 20, aged 21-31, 55% female) and propose the cognitive appraisals and motivational orientation (CAMO) model combining the extended unified theory of acceptance and use of technology (UTAUT2) and self-determination theory (SDT). This model elucidates how cognitive appraisals of technological features and motivational orientations may interact to shape health app adoption, continued use, and health outcomes. By bridging technology acceptance and psychological motivation, the CAMO-model offers a foundation for future research and practical guidance in stimulating mindful health app use.