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OBJECTIVES To measure the use of healthcare services and assistive devices by centenarians in five countries. DESIGN Cross-sectional study using a survey questionnaire. SETTING Community-dwelling and institutionalised centenarians living in Japan, France, Switzerland, Sweden and Denmark. PARTICIPANTS 1253 participants aged 100 or in their 100th year of life, of whom 1004 (80.1%) were female and 596 (47.6%) lived in institutions. MAIN OUTCOME MEASURES Recent use of medical visits, nursing care at home, home-delivered meals, acute care h