<b>extended data: questionnaire and ethics board approval</b>

This document contains the extended materials supporting the study <i>“Utility and Reliability of a Pediatric Preanesthesia Questionnaire: A Monocentric Prospective Study in a Tunisian Public Hospital.”</i> It includes:The<b> preanesthesia questionnaire in arabic</b> used for parental completion prior to anesthesiology consultation.The<b> preanesthesia questionnaire in </b><b>f</b><b>rench </b>used for parental completion prior to anesthesiology consultation.The<b> preanesthesia questionnaire in </b><b>english </b>used for parental completion prior to anesthesiology consultation.The <b>Ethics Committee approval letter (HTHEC-2022-38)</b> from the Habib Thameur Teaching Hospital, confirming that the study was reviewed and authorized in accordance with international ethical standards.These materials provide transparency regarding the development of the questionnaire and the ethical oversight of the study.