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目的:了解正常老人日常生活活动能力的自然衰退情况及其影响因素,探索ADL评定对预测痴呆的作用.方法:用14项日常生活活动能力量表对3019例正常社区老人进行间隔5年的两次随访并按DSM－Ⅲ－R标准诊断是否痴呆.结果:正常老人ADL平均得分14.95,5年后增加1.43.增幅随年龄增长而加大.痴呆组ADL总分显著高于正常组,且离散度大,5年间平均增加14.49分.LOGISTIC回归分析显示,年龄大,PSMS得分高以及教育程度低者,发生痴呆的相对危险性大.结论:社区智力正常老人ADL保持良好,自然衰退幅度不大,与年龄有关.如无特殊躯体原因,ADL总分年内上升5分以上,应考虑痴呆可能.“,”bjective:To understand the natural deterioration of ADL in normal aging and its predictingvalue in dementia. Method: The ADL scale was employed twice, 5 years apart, in 3 019 normal intelliegence elderly living in the community. According to DSM-Ⅲ-R diagnostic criteria, 144 cases developed dementia after 5 years. Results: ADL scores in the non-demented group were lower than those in the demented group, with low dispersion, and increased by only 1.43 after 5 years in the non-demented elderly, bu...