期刊
GERONTOLOGIST
卷 56, 期 6, 页码 1153-1160出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/geront/gnv061
关键词
Mobility; Disability; Driving; Health disparities; Race; Minority
类别
资金
- New Faculty Development Grants from KAIST from the Ministry of Education of the Republic of Korea [NRF-2015018593]
- National Research Foundation of Korea
- National Institute of Mental Health [K01-MH093642-A1]
- National Institute on Aging
- National Institute of Nursing Research [U01NR04507]
- Indiana University School of Medicine [U01NR04508]
- Johns Hopkins University [U01AG14260]
- New England Research Institutes [U01AG14282]
- Pennsylvania State University [U01AG14263]
- University of Alabama at Birmingham [U01AG14289]
- University of Florida [U01AG14276]
Purpose of the study: Life-space is the spatial area through which a person experiences and interacts with the world. Life-space constriction, the shrinking of the spatial area that a person traverses, is associated with negative health outcomes in later life. Racial and gender disparities in mobility as indicated by life-space constriction are thought to contribute to broader disparities in health and functioning among older adults. Design and Methods: Data come from the 5-year follow-up of the Advanced Cognitive Training for Independent and Vital Elderly (ACTIVE) Study (N = 2,765; mean age = 73.6; 75.8% women; 73.7% White). Life-space constriction was defined as not traveling beyond one's town. A series of logistic regression and Cox proportional hazard models were used to estimate risk for incident life-space constriction by race and gender. Results: Blacks and women had greater likelihood of life-space constriction at baseline. Women were more likely to experience incident life-space constriction at follow-up relative to men (Hazard ratio [HR]: 1.89, 95% Confidence interval [CI]: 1.26-2.83). Blacks were associated with lower risk of life-space constriction over time (HR: 0.67, 95% CI: 0.45-0.99) relative to Whites. Implications: Disparities in life-space constriction by gender and race exist in later life. Understanding the processes underlying these mobility restrictions is important to developing intervention programs to enhance health and functioning for older adults.
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