Do discrepancies between subjective and objective health shift over time in later life? A markov transition model

Bill Calvey, Joanna McHugh Power, Rebecca Maguire, Rafael de Andrade Moral and Idemauro Antonio Rodrigues de Lara

Social Science & Medicine, 2024, vol. 362, issue C

Abstract: Subjective health (SH) deteriorates less rapidly than objective health (OH) in older adults. However, scant evidence exists regarding if discrepancies between SH and OH shift in the same individuals over time. We explore whether such discrepancies change over time in a sample of older adults living in England, through a prospective, observational cohort study design. Using data from the English Longitudinal Study of Ageing, we followed a sample of 6803 older adults, aged 60+ years at baseline, over three waves of data collection (2002–2007), yielding two wave transitions. A ‘health asymmetry’ metric classified older adults into four categories at each wave, based on the level of agreement between their SH and OH scores (‘health pessimist’, ‘health optimist’, ‘good health realist’ and ‘poor health realist’). First-order Markov transition and generalised logit models yielded estimated transition probabilities and odds ratios for health asymmetry transitions over time. At baseline, 36.84% of the sample were ‘good health realists’, 33% were ‘poor health realists’, 14.54% were ‘health optimists’, and 15.62% were ‘health pessimists’. Good and poor health realists were likely to remain health realistic over time. Good health realists who did transition however, were likely to become health optimists. Subsequently, the proportion of health optimists in the sample increased over time. Health pessimists had a high probability of being lost to study attrition. In conclusion, health optimism (i.e. where SH is rated better than OH) becomes more prevalent over time, in later life. Future research should investigate if promoting positive SH appraisals among health pessimists and poor health realists can optimise health and survival outcomes.

Keywords: Health asymmetry; Health congruence; Older adults; Markov transition model; English longitudinal study of ageing (ELSA); Self-rated health (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.socscimed.2024.117441

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