Methods: In Study I, quantitative data with the use of a questionnaire will be applied, and in the Studies II-IV qualitative interviews will be used. Participants: Study I, includes 200-250 patients referred to old age psychiatric hospitals, Study II there will be included 12-20 general practitioners, Study III 16 healthcare personnel are included, and in Study IV 12-20 older people will be included. Analysis: In Study I, we will use analysis to describe frequencies, differences and similarities between groups. To analyse the data in Study II, III and IV we will use content analysis.