Ryan McGrath1,2, Sheria G Robinson-Lane3, Brian C Clark4,5,6, Julie A Suhr4,7, Bruno J Giordani8, Brenda M Vincent9. 1. Department of Health, Nutrition, and Exercise Sciences, North Dakota State University, Fargo, ND, USA. 2. Fargo VA Healthcare System, Fargo, ND, USA. 3. School of Nursing, University of Michigan, Ann Arbor, MI, USA. 4. Ohio Musculoskeletal and Neurological Institute, Ohio University, Athens, OH, USA. 5. Department of Biomedical Sciences, Ohio University, Athens, OH, USA. 6. Department of Geriatric Medicine, Ohio University, Athens, OH, USA. 7. Department of Psychology, Ohio University, Athens, OH, USA. 8. Department of Psychiatry, Neurology, and Psychology, University of Michigan, Ann Arbor, MI, USA. 9. Department of Statistics, North Dakota State University, Fargo, ND, USA.
Abstract
BACKGROUND: Dementia screening is an important step for appropriate dementia-related referrals to diagnosis and treat possible dementia. OBJECTIVE: We sought to estimate the prevalence of no reported dementia-related diagnosis in a nationally representative sample of older Americans with a cognitive impairment consistent with dementia (CICD). METHODS: The weighted analytical sample included 6,036,224 Americans aged at least 65 years old that were identified as having a CICD without history of stroke, cancers, neurological conditions, or brain damage who participated in at least one-wave of the 2010-2016 Health and Retirement Study. The adapted Telephone Interview of Cognitive Status assessed cognitive functioning. Those with scores≤6 were considered as having a CICD. Healthcare provider dementia-related diagnosis was self-reported. Age, sex, educational achievement, and race and ethnicity were also self-reported. RESULTS: The overall estimated prevalence of no reported dementia-related diagnosis for older Americans with a CICD was 91.4%(95%confidence interval (CI): 87.7%-94.1%). Persons with a CICD who identified as non-Hispanic black had a high prevalence of no reported dementia-related diagnosis (93.3%; CI: 89.8%-95.6%). The estimated prevalence of no reported dementia-related diagnosis was greater in males with a CICD (99.7%; CI: 99.6%-99.8%) than females (90.2%; CI: 85.6%-93.4%). Moreover, the estimated prevalence of no reported dementia-related diagnosis for non-high school graduates with a CICD was 93.5%(CI: 89.3%-96.1%), but 90.9%(CI: 84.7%-94.7%) for those with at least a high school education. CONCLUSION: Dementia screening should be encouraged during routine geriatric health assessments. Continued research that evaluates the utility of self-reported dementia-related measures is also warranted.
BACKGROUND: Dementia screening is an important step for appropriate dementia-related referrals to diagnosis and treat possible dementia. OBJECTIVE: We sought to estimate the prevalence of no reported dementia-related diagnosis in a nationally representative sample of older Americans with a cognitive impairment consistent with dementia (CICD). METHODS: The weighted analytical sample included 6,036,224 Americans aged at least 65 years old that were identified as having a CICD without history of stroke, cancers, neurological conditions, or brain damage who participated in at least one-wave of the 2010-2016 Health and Retirement Study. The adapted Telephone Interview of Cognitive Status assessed cognitive functioning. Those with scores≤6 were considered as having a CICD. Healthcare provider dementia-related diagnosis was self-reported. Age, sex, educational achievement, and race and ethnicity were also self-reported. RESULTS: The overall estimated prevalence of no reported dementia-related diagnosis for older Americans with a CICD was 91.4%(95%confidence interval (CI): 87.7%-94.1%). Persons with a CICD who identified as non-Hispanic black had a high prevalence of no reported dementia-related diagnosis (93.3%; CI: 89.8%-95.6%). The estimated prevalence of no reported dementia-related diagnosis was greater in males with a CICD (99.7%; CI: 99.6%-99.8%) than females (90.2%; CI: 85.6%-93.4%). Moreover, the estimated prevalence of no reported dementia-related diagnosis for non-high school graduates with a CICD was 93.5%(CI: 89.3%-96.1%), but 90.9%(CI: 84.7%-94.7%) for those with at least a high school education. CONCLUSION: Dementia screening should be encouraged during routine geriatric health assessments. Continued research that evaluates the utility of self-reported dementia-related measures is also warranted.
Authors: Michael D Hurd; Paco Martorell; Adeline Delavande; Kathleen J Mullen; Kenneth M Langa Journal: N Engl J Med Date: 2013-04-04 Impact factor: 91.245
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