Participation—defined as engagement in life situations, including leisure and recreational activities—is associated with the improvement of people with disabilities' quality of life. Several specific instruments assess leisure, but none of them has been adapted to the Spanish context. The goal of this study is to adapt and validate the Spanish version of the Leisure Assessment Inventory (LAI; B. A. Hawkins, P. Ardovino, N. B. Rogers, A. Foose, & N. Olsen, 2002). The adaptation of the original version of the LAI was carried out through translation and backward translation, and the validity of the instrument was analyzed. Descriptive analyses (means and standard deviations) were conducted for each LAI index. Construct validity was assessed through Pearson's product-moment correlation among the diverse LAI indexes, and convergent-discriminant validity through the correlation of the diverse indexes and the measures of quality of life. Results show that the LAI indexes are valid measures of the attributes of leisure behavior (participation, preference, interest, and barriers). This study provides a valid instrument to assess the participation profile of adults with disabilities in leisure activities.

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