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After an acquired brain injury (ABI), the person remains with several impairments and disabilities that cause a decrease in his/her quality of life (QoL), which could change over time. The objective of the study was to analyse the evolution patterns of QoL in a sample of persons with ABI for one-year as well as the differences in proxy- and self-report versions of a QoL instrument., Method: The sample comprised 402 persons with ABI with ages ranging between 18 and 91 years, whom 36.20% had had the accident recently (i.e., three years or less). Patients, professionals and relatives responded at three evaluation points to the CAVIDACE scale, an ABI-specific QoL tool., Results: ANOVAs showed an improvement in QoL in the two follow-ups; the improvement was especially significant in the period between baseline and six months. The respondent factor did not interact with the evaluation time, but significant differences were found between respondents, with scores of patients higher than that for proxies. Finally, the QoL's evolution interacts with the time elapsed since injury, showing significant improvements in the most recent group (i.e., three years or less)., Conclusions: QoL must be considered from the earliest moments after ABI to obtain more significant improvements., (© 2020 Published by Elsevier España, S.L.U. on behalf of Asociación Española de Psicología Conductual.)

The sequelae and the disability and dependence that follow an acquired brain injury (ABI) may result in a significant reduction in the quality of life (QoL) of those affected. The objective was to assess the QoL of a sample of Spanish patients with an ABI and analyze the influence of certain sociodemographic and injury-related variables on their QoL., Method: The sample comprised 421 adults (60% male; M age  = 53.12; SD  = 14.87). Professionals and relatives assessed the patients' QoL through the CAVIDACE scale, an ABI-specific tool based on the eight-domain QoL model., Results: Univariate analyses showed statistically significant differences in the QoL scores in several sociodemographic (age, civil status, education level, prior employment status, type of home, level of supports, loss of legal capacity, recognized dependence, and degree of dependence) and injury-related (time since the injury, location of the injury, and presence of post-traumatic amnesia) variables. The multiple linear regression showed that loss of legal capacity, time since the injury, prior employment status, location of the injury, and degree of dependence were significant QoL predictors., Conclusions: These findings provide knowledge for the development of programs aimed at reducing the negative impact of ABI on QoL.