Translation and Validation of the Sinhala Version of the EORTC-QLQ-CR29 Questionnaire.

Purpose: To validate the Sinhalese version of the EORTC QLQ-CR29 quality of life questionnaire for colorectal cancer.

Method: We translated and pilot-tested (n=10) the questionnaire in Sri Lanka. We then assessed the reliability, factor structure and construct validity according to the EORTC guidelines.