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A Longitudinal Study of Illness Awareness in Older Adults With Schizophrenia.
American Journal of Geriatric Psychiatry 2018 October 22
OBJECTIVE: Impaired insight is common in schizophrenia and may be affected by changes that occur with aging. There have been a few nonprospective investigations of insight in older adults with schizophrenia (OAS). This study examines the temporal fluctuations that occur with insight-defined as "awareness of mental illness" (dichotomized into presence or absence)-along with associated factors that influence illness awareness (IA) in OAS.
METHODS: The sample consisted of 103 persons derived from an initial sample of 250 community-dwelling persons aged 55 and over with early-onset schizophrenia spectrum disorder. Mean follow-up was 53 months. We examined 27 potential predictor variables of IA along with 5 covariates in bivariate analysis. The significant variables were then examined using multiple regression analyses.
RESULTS: 23% of persons transitioned between presence and absence of IA, 62% had persistent IA, and 15% never had IA. At baseline, fewer negative symptoms (blunted affect), higher cognitive functioning (conceptualization), younger age, higher educational levels, and more physical disorders were associated significantly with higher rates of IA at follow-up. Baseline IA did not predict any variables at follow-up.
CONCLUSION: IA is often unstable in later life, with nearly one-fourth of persons showing fluctuations. Although younger age predicted IA over time, other factors associated with aging, such as cognitive functioning and physical disorders, had additional independent effects on IA. The impact of IA on clinical and functional variables attenuated over time, suggesting that for many OAS, IA may have a limited role in enhancing long-term outcomes.
METHODS: The sample consisted of 103 persons derived from an initial sample of 250 community-dwelling persons aged 55 and over with early-onset schizophrenia spectrum disorder. Mean follow-up was 53 months. We examined 27 potential predictor variables of IA along with 5 covariates in bivariate analysis. The significant variables were then examined using multiple regression analyses.
RESULTS: 23% of persons transitioned between presence and absence of IA, 62% had persistent IA, and 15% never had IA. At baseline, fewer negative symptoms (blunted affect), higher cognitive functioning (conceptualization), younger age, higher educational levels, and more physical disorders were associated significantly with higher rates of IA at follow-up. Baseline IA did not predict any variables at follow-up.
CONCLUSION: IA is often unstable in later life, with nearly one-fourth of persons showing fluctuations. Although younger age predicted IA over time, other factors associated with aging, such as cognitive functioning and physical disorders, had additional independent effects on IA. The impact of IA on clinical and functional variables attenuated over time, suggesting that for many OAS, IA may have a limited role in enhancing long-term outcomes.
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