With the present research proposal we want to gain insight on Quality of Life for people with disabilities who use a PAB. specific research questions: - What features characterize people who use a PAB? - Which profile (through POS measured in different domains of quality of life), the group of respondents using a PAB? - Are certain areas of this eye-catching? - Is it possible to detect differences related to some selected respondent and / or environmental characteristics? - How the respondent himself looks to the past track with PAB? There are roughly detect differences between people who are in a different category PAB budget and therefore are believed to have a higher or lower support needs?