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Methods and Applications of Longitudinal Data Analysis by Xian Liu

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12.4. Empirical illustration: predicted transition probabilities in functional status and marital status among older Americans

In this illustration, I analyze longitudinal transitions in functional status among older Americans and their differences between those currently married and those currently not married, with the use of the AHEAD longitudinal data. Mortality is used as a competing health state to handle selection bias in health transitions. Accordingly, six types of transitions are specified from two origin states, functional independence and functional dependence (denoted as origins 0 and 1), to three destination states, functional independence, functional dependence, and deceased between two successive waves (denoted by destinations ...

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