Self-reported cognitive impairment across racial/ethnic groups in the United States, national health interview survey, 1997-2015

Huabin Luo, Gary Yu, Bei Wu

Research output: Contribution to journalArticle

Abstract

Introduction: The primary objectives of this study were 1) to examine trends of self-reported cognitive impairment among 5 major racial/ethnic groups during 1997-2015 in the United States and 2) to examine differences in the trends across these groups. Methods: Data were from the National Health Interview Survey (NHIS). The sample consisted of 155,682 people aged 60 or older. Respondents were asked to report whether any family member was "limited in any way because of difficulty remembering or because of experiencing periods of confusion." Race/ethnicity categories were non-Hispanic white, non-Hispanic black, Native American, Hispanic, and Asian. We applied hierarchical age-period-cohort cross-classified random-effects models for the trend analysis. All analyses accounted for the complex survey design of NHIS. Results: The overall rate of self-reported cognitive impairment increased from 5.7% in 1997 to 6.7% in 2015 (P for trend <.001). Among non-Hispanic white respondents, the rate increased from 5.2% in 1997 to 6.1% in 2015 (slope = 0.14, P for trend <.001). We observed no significant trend in rate of cognitive impairment in other groups. After we controlled for covariates, we found that Asian (B = 0.31), non-Hispanic black (B = 0.37), Hispanic (B = 0.25), and Native American (B = 0.87) respondents were more likely than non-Hispanic white respondents to report cognitive impairment (P <.001 for all). Conclusion: We found an increased rate of self-reported cognitive impairment in older adults of 5 major racial/ethnic groups from 1997 through 2015 in the United States. However, the rate of self-reported cognitive impairment was low, which may suggest underreporting. There is a need to further promote awareness of the disease among individuals, family members, and health care providers.

Original languageEnglish (US)
Article number170338
JournalPreventing chronic disease
Volume15
Issue number1
DOIs
StatePublished - Jan 1 2018

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Health Surveys
Ethnic Groups
Interviews
North American Indians
Hispanic Americans
Confusion
Family Health
Health Personnel
Cognitive Dysfunction
Surveys and Questionnaires

ASJC Scopus subject areas

  • Health Policy
  • Public Health, Environmental and Occupational Health

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Self-reported cognitive impairment across racial/ethnic groups in the United States, national health interview survey, 1997-2015. / Luo, Huabin; Yu, Gary; Wu, Bei.

In: Preventing chronic disease, Vol. 15, No. 1, 170338, 01.01.2018.

Research output: Contribution to journalArticle

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