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Wheelchair durability and maintenance condition are key factors of wheelchair function. Durability studies done with double drum and drop testers, although valuable, do not perfectly imitate conditions of use. Durability may be harvested from clinical records; however, these may be inconsistent because protocols for recording information differ from place to place. Wheelchair professionals with several years of experience often develop a good eye for wheelchair maintenance condition. The Wheelchair Components Questionnaire for Condition (WCQc) was developed as a professional report questionnaire to provide data specifically on the maintenance condition of a wheelchair. The goal of this study was to obtain preliminary test–retest reliability and internal consistency for the WCQc. Participants were a convenience sample of wheelchair professionals who self-reported more than two years’ of wheelchair experience, and completed the WCQc on the same wheelchair twice. Results indicated preliminary reliability and internal consistency for domain related questions and the entire questionnaire. Implications for rehabilitationThe WCQc, if administered routinely at regular intervals, can be used to monitor wheelchair condition and alert users and health professionals about the need for repair or replacement.The WCQc is not difficult to use, making early monitoring for wear or damage more feasible. The earlier a tool can detect need for maintenance, the higher likelihood that appropriate measures may be employed in a timely fashion to maximize the overall durability of wheelchairs and minimize clinical complications.Keeping wheelchairs appropriately maintained allows users to minimize effort expended when using them, and maximize their function. It also lowers the risk of injury due to component failure.When assessing groups of similar wheelchairs, organizations involved in funding wheelchairs can use data from the WCQc to make purchase decisions based on durability, and manufacturers can use WCQc data for responsive design change [ABSTRACT FROM PUBLISHER]