To prevent accidental falls in the elderly, we analyze the relationships among accidental falls, falling situations, daily-life environment and habits of 316 elderly Japanese. The changes in life-style after falls were also investigated. From the results of the contingency table analysis used to examine qualitative relationships among questionaire items, accidental falls in the elderly mainly occurred and in summer, and on fine days. Main entrance, bathroom and hallway were the main places falls occurred, and most reasons for falls were fallers' poor health conditions and unsteady walking. Interestingly, falls in the night occurred mainly due to the fallers' iternal causes (e.g. drunk, lost physical and psychological power, and poor health condition), and led to physical sequelae in most cases. The least accidental falls were observed in the cases that the elderly perceived their living environment safe. Having own rooms in upstairs, Japaneses-styled bedding and enough physical exercise were effective in preventing falls. Most elderly, who fell down due to dizzy feeling or tottering, came to have a walking difficulty or to need a stick after the fall, and decreased going out or walking. The results of our study quantitatively demonstrated that daily-life environment and habits are important factors for accidental falls in the elderly.
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