Alternative Measures of Self-Rated Health for Predicting Mortality Among Older People: Is Past or Future Orientation More Important?

PURPOSE

The purpose of this study was to compare the prognostic validity of alternative measures of health ratings, including those that tap temporal reflections, on adult mortality.

DESIGN AND METHODS

The study uses a national sample of 1,266 Americans 50-74 years old in 1995, with vital status tracked through 2005, to compare the effect of 3 types of health ratings on mortality: conventional indicator of self-rated health (SRH), age comparison form of SRH, and health ratings that incorporate temporal dimensions. Logistic regression was used to estimate the odds of mortality associated with alternative health ratings while adjusting for health conditions, lifestyle factors, and status characteristics and resources.

RESULTS

Self-rated health was a consistent predictor of mortality, but the respondent's expected health rating-10 years in the future-was an independent predictor. Future health expectations were more important than past (recalled change) in predicting mortality risk: People with more negative expectations of future health were less likely to survive.

IMPLICATIONS

The findings reveal the importance of future time perspective for older people and suggest that it is more useful to query older people about their future health expectations than about how their health has changed.