Keywords: Older people Housing ; Older people Orientation and mobility ; Aging Environmental aspects ; Congregate housing ; Living alone ; Aged Housing ; Aged Orientation and mobility ; Aging Environmental aspects ; Congregate housing ; Living alone ; Housing for the Elderly Congresses ; Housing for the Elderly Congresses ; Cross-Cultural Comparison Congresses ; Cross-Cultural Comparison Congresses ; Environment Design Congresses Aged ; Environment Design Congresses Aged ; Quality of Life Congresses Aged ; Quality of Life Congresses Aged ; Transportation Congresses Aged ; Transportation Congresses Aged ; Konferenzschrift 2001 ; Konferenzschrift 2001 ; Alter ; Selbstständigkeit ; Wohnform