Decisional conflicts, anxiety, and perceptions of shared decision‐making in cancer treatment trajectory among adolescents with cancer: A longitudinal study

Purpose: To examine the trajectory of decisional conflict and anxiety experienced by adolescents after the cancer diagnosis, and explore their perceptions on participation in shared decision‐making (SDM). Design: This longitudinal study used incorporated data from questionnaires and interviews. Methods: Participants recruited from an academic hospital in southern Taiwan ranged in age from 13 to 20 years with a cancer diagnosis within 1 month and received cancer treatment. Each participant completed questionnaires on decisional conflict and anxiety at diagnosis, 1, 3, and 6 months later. Individual interviews were to gain an in‐depth understanding of SDM. Findings: Total scores on decisional conflict changed significantly over time (F = 2.98, p = 0.039); the scores at 1 month were higher than 3 months (t = 2.18, p = 0.04) and 6 months (t = 2.97, p = 0.008). Participants perceived significantly different levels of values clarify (F = 9.49, p