Hearing impairment and the risk of neurodegenerative dementia: A longitudinal follow-up study using a national sample cohort.

ABSTRACT: This study aimed to explore the risk of dementia in a middle- and older-aged population with severe or profound hearing impairments. Data were collected for the Korean National Health Insurance Service-National Sample Cohort from 2002 to 2013. Participants aged 40 or older were selected. The 4,432 severely hearing-impaired participants were matched 1:4 with 17,728 controls, and the 958 profoundly hearing-impaired participants were matched 1:4 with 3,832 controls who had not reported any hearing impairment. Age, sex, income, region of residence, hypertension, diabetes mellitus, and dyslipidemia histories were matched between hearing-impaired and control groups. The crude (simple) and adjusted (age, sex, income, region of residence, dementia, hypertension, diabetes mellitus, dyslipidemia, is

SUBMITTER: Kim SY 

PROVIDER: S-EPMC6189102 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature