DALE is a general term for health expectancy that estimates equivalent years of good health status. Sullivan method is applied to compute DALE value using data from country life table and severity-weighted disability prevalence.

• DALE是一种衡量人们相当于在完全健康状况下生活年数的指标 ,计算时通常使用沙利文 (Sullivan)法 ,人群伤残现患率和伤残严重性权重是关键数据 ,其来源有多种。