Annual indirect costs secondary to headache disability in Brazil

Background Disability imposed by headache disorders constitutes an expressive economic burden, mostly from indirect costs due to absenteeism and presenteeism. Objective To estimate indirect costs from absenteeism and presenteeism due to headache disorders in Brazil. Methods In a secondary, descriptive analysis of two nationwide databases, we estimated indirect costs based on headache-related disability and socioeconomic data. Results In the...