Background Empirically derived and tested models are necessary to develop effective, holistic interventions to improve positive health outcomes in adolescents and young adults (AYA) with cancer, yet few exist. This paper is the second of two papers reporting on evaluation of the Resilience in Illness Model (RIM) as a predictive model to guide positive health research and practice. Objective To report the confirmatory model evaluation of the RIM. Methods A confirmatory evaluation of RIM was done using baseline data from a sample of 113 AYA aged 11 to 24 years who were undergoing hematopoietic stem cell transplant and enrolled in a randomized controlled trial of a behavioral intervention to enhance resilience. Data were analyzed using latent variable structural equation modeling. Results Goodness-of-fit indices supported RIM as a confirmed model and accounted for large amounts of variance in the outcomes of self-transcendence (62%) and resilience (72%), and in three of five mediators, specifically social integration (74%), courageous coping (80%), and hope-derived meaning (87%) as well as small to moderate amounts of variance in the remaining mediators of defensive coping (1%) and family environment (35%). Conclusions Findings establish the RIM as a plausible predictive framework for explaining ways AYA with cancer transcend their illness and achieve resilience resolution, and for guiding intervention studies in this population. Additional research is needed to explore RIM's transferability based on stage of illness, other chronic diseases, and cultural diversity. Implications for Practice Results support the RIM as an appropriate guide for developing and evaluating interventions to foster positive adjustment in AYA with cancer.

Adolescents and young adults with cancer (AYA) have strikingly poorer outcomes when compared to younger or older patients. Contributing reasons include low rates of enrollment in clinical trials and the "invisibility" of the AYA perspectives in research reports. We recommend a shift in research perspectives away from function-based studies that focus on morbidity and mortality outcomes to meaning-based models that will very likely rely upon qualitative methods and findings as the basis for developing psychosocial interventions that are sensitive to the AYA cancer experience. In addition, research on positive health concepts such as hope, spirituality, and positive coping are recommended as a way to learn about the effective strategies used by AYA to adjust to the cancer experience.