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Objective: To observe the association of osteoporotic fracture with habits of smoking, alcohol consumption, tea consumption and exercise among very old people.Design and setting: A cross-sectional study conducted in Dujiangyan Sichuan China Participants: 703 unrelated Chinese nonagenarians and centenarians (67.76% women, mean age 93.48 years) resident in Dujiangyan Measurements: Medical history of osteoporosis and the statement of fracture and habits (current and former) of smoking, alcohol consumption, tea consumption and exercise were collected.