Survey analysis reveals interconnected dimensions of self-reported physical health in older adults, indicating robust structural links across daily function, illness, and subjective wellness.
A multiple indicator structural equation model is proposed to delineate the various aspects of self-reported physical health. In particular, it specifies structural linkages among five measures of health including chronic illness, number of sick days, physical self-maintenance, instrumental activities of daily living, and subjective rating of one's own health. The proposed model is evaluated by using data from the 1968 National Senior Citizens Survey. The results support the predictions derived from the proposed model and are consistently replicated across four randomly divided subsamples.
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Jersey Liang (1986) studied this question.
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