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目的 提出一种分析纵向生命质量资料的方法并探讨有关的应用问题。方法 基于Ｍａｒｋｏｖ 过程思想提出Ｍａｒｋｏｖ 过程法，并且用于２１２ 例吸毒者在戒毒期间生命质量的变化及影响因素分析。结果 职业对状态１ →２ 和状态２ →３ 的转移强度系数分别为０ ．７９１２ 和０ ．６７９７；戒毒时间对状态１ →２ 的转移强度系数为０ ．５６６３，戒毒方式对状态２ →３ 的转移强度系数为０ ．２７６５ 。结论 本文方法是一较好的纵向资料分析法，既能分析生命质量的状态转移又能分析转移的影响因素。职业、戒毒方式和戒毒时间能影响生命质量的变化。
Objective To propose a method for analyzing longitudinal quality of life data and discuss related application issues. Methods The Markov process method was proposed based on the Markov process idea. The method was used to analyze the changes of quality of life and influencing factors of 212 drug addicts. Results The transitional intensity coefficients for occupational state 1 → 2 and state 2 → 3 are 0, respectively. 7912 and 0. 6797; The transfer intensity factor for state 1 → 2 for detoxification time is 0. In 5663, the transfer intensity factor for state 2 → 3 is 0. 2765. Conclusion This method is a good longitudinal data analysis method. It can not only analyze the state transition of quality of life but also analyze the influencing factors of metastasis. Occupation, detoxification methods and detoxification time can affect the changes in quality of life.