Dataset Information

Elevated Risk of Cognitive Impairment Among Older Sexual Minorities: Do Health Conditions, Health Behaviors, and Social Connections Matter?

ABSTRACT:

Background and objectives

Little research has examined cognitive health disparities between sexual minority and heterosexual populations. Further, most extant studies rely on subjective measures of cognitive functioning and non-probability samples. This study uses a performance-based cognitive screening tool and a nationally representative sample of older Americans to examine the disparity in cognitive impairment by sexual orientation and the potential mechanisms producing this disparity.

Research design and methods

Using data from the 2015-2016 National Social Life, Health, and Aging Project (N = 3,567), we analyzed respondents' scores on the survey-adapted Montreal Cognitive Assessment. We estimated ordinal logit regressions to examine the relationship between sexual orientation and cognitive impairment and used the Karlson-Holm-Breen method to assess how mental and physical conditions, health behaviors, and social connections mediate this relationship.

Results

The prevalence of cognitive impairment is significantly higher among sexual minority older adults than among heterosexual older adults when sociodemographic factors are adjusted for. Depressive symptoms explain some of this prevalence gap. Although anxiety symptoms, physical comorbidity, health behaviors, and social connections may contribute to cognitive impairment, they do not explain the cognitive disparity by sexual orientation.

Discussion and implications

The findings indicate that depressive symptoms are an important link between minority sexual orientation and cognitive impairment and highlight the importance of studying other potential mechanisms that we could not explore in this study. Future research should further investigate how minority stress processes may unfold to accelerate cognitive decline among sexual minorities over the life course.

SUBMITTER: Hsieh N

PROVIDER: S-EPMC8023357 | biostudies-literature |

REPOSITORIES: biostudies-literature

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