Abstract
Purpose: Long-term adolescent and young adult hematopoietic stem cell transplantation (HCT) survivors face complex physical and psychological treatment effects that contribute to cancer-related health burden. We aimed to identify the role of social support and coping strategies on cancer-related health burden. Methods: This cross-sectional analysis included HCT recipients from the INSPIRE trial [NCT00799461], who received their first transplant between ages 15 and 39. As our primary outcome, we used the health burden subscale of the Cancer and Treatment Distress measure. We assessed correlates using the Short Form-36v2 physical component summary, brief Coping Orientation to Problems Experienced (COPE), and ENRICHD Social Support Inventory. We used hierarchical multivariable linear regression to identify factors associated with cancer-related health burden, with the first step including sociodemographic and clinical factors, the second step adding physical function, and the third step including social support and coping. Results: Participants (N = 293) were 52% male and 93% white, non-Hispanic, with a mean age of 30.2 (standard deviation 6.6) at first transplant. In step one, sex accounted for ∼3% of the variance (p = 0.006). Adding physical function explained an additional 33% of the variance (p = <0.001). Social support and coping strategies explained 11% of the variance (p = <0.001). The final model explained 47% of the variance; better physical function, more social support, and active coping were associated with lower cancer-related health burden, while female sex, venting, and distraction were associated with higher cancer-related health burden. Conclusion: Supporting physical function and fostering social support and active coping may help mitigate cancer-related health burden in this population. Clinical Trial Registration: NCT00799461.
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