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To clarify the factors associated with loneliness in individuals aged 80 years and older in Germany (also stratified by sex). Data from the nationally representative "Old Age in Germany (D80+)" were employed. The analytic sample equaled 10,031 individuals. The D80+ study included community-dwelling and institutionalized individuals ≥ 80 years in Germany. Multiple linear regressions were used (with sociodemographic and health-related explanatory factors). The collection of data occurred between November 2020 and April 2021 (written questionnaire). Higher loneliness was significantly associated with not being married (e.g., widowed compared to being married, β=.37, p<.001), being institutionalized (β=.33, p<.001), low education (high education compared to low education, β=-.07, p<.01), a higher number of chronic conditions (β=.02, p<.001), poor self-rated health (β=-.19, p<.001) and greater functional impairment (β=.15, p<.001). Sex-stratified regressions produced comparable results. However, low education was only associated with higher loneliness among men, but not women (with significant interaction: education x sex). Several sociodemographic and health-related factors can contribute to loneliness among the oldest old in Germany, with sex-specific associations between education and loneliness. Overall, such knowledge can aid to address individuals with higher loneliness levels.
Hajek et al. (Thu,) studied this question.