Abstract
Introduction. – The Physical Self Inventory-NeuroMuscular Diseases (PSI-NMD) is a scale which evaluates overall self-esteem and physical esteem in patients with neuromuscular disease. It comes from the Physical Self Inventory-10 item (PSI-10), which comes from the Physical Self Inventory -25 items, a validatedquestionnaire for French population.Objective. – The purpose of this study is to present the first step of the validation of this scale in patients with neuromuscular diseases. This scale assesses the overall self-esteem as well as the self-esteem in physical field.Method. – In all, 108 patients with myopathy or neuropathy and 129 individuals from the general population answered to the ISP-10 and the Rosenberg’s self-esteem scale.Results. – Exploratory factorial analysis showed the weakness of two items, which have been deleted. In addition, results indicated good indices of internal consistency, convergent and discriminant validity.Conclusion. – The results showed satisfactory psychometric qualities of the PSI-NMD (Physical Self Inventory-Neuromuscular disease). This scale assessing global and physical self-esteem, is quick and simple to answer, and will be useful to clinicians as well as researchers.