Validation of a Biopsychosocial Distress Screening Tool, SupportScreen, in a Brazilian Cancer Center.

Objective: Biopsychosocial distress is a common yet often underestimated complication in cancer care. We sought to translate and evaluate the psychometric properties of SupportScreen distress assessment tool in Brazil.
Methods: A cancer cohort study was conducted at a public hospital in Brazil. The SupportScreen tool underwent transcultural translation into Portuguese. Eligible patients completed the SupportScreen, Distress Thermometer (DT), Hospital Anxiety and Depression Scale (HADS), and Functional Assessment of Cancer Therapy-General version (FACT-G). Statistical analyses included confirmatory and exploratory factor analyses (CFA and EFA), comparisons with established distress tools, and assessments of associations with patients' characteristics.
Results: A total of 302 patients were assessed (M:F 35.4%:64.6%; median age: 55). Most patients were diagnosed with breast (29.1%) and gastrointestinal cancer (20.5%), at advanced disease stage (78.8%). CFA identified optimal models for emotional and physical distress; EFA revealed two factors for the logistics of medical care: practical and medical system distress. The concurrent validity of subscales demonstrated significant correlations between distress domains. Sensitivity analyses indicated good performance of emotional and physical domains in identifying distress compared to gold standard criteria. Female patients were more likely to report high emotional distress, while younger age and late disease stage were associated with higher physical distress. Additionally, late disease stage was linked to higher practical distress.
Conclusion: Emotional and physical domains demonstrated validity and reliability, aligning with validated measures. Logistics of medical care distress revealed practical and medical system dimensions, expanding understanding of patient challenges. The SupportScreen tool exhibited concurrent validity and sensitivity in identifying distress.
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