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Obesity Is a Risk Factor for Reporting Homebound Status among Community-Dwelling Older Persons
Article first published online: 6 SEP 2012
2006 North American Association for the Study of Obesity (NAASO)
Volume 14, Issue 3, pages 509–517, March 2006
How to Cite
Jensen, G. L., Silver, H. J., Roy, M.-A., Callahan, E., Still, C. and Dupont, W. (2006), Obesity Is a Risk Factor for Reporting Homebound Status among Community-Dwelling Older Persons. Obesity, 14: 509–517. doi: 10.1038/oby.2006.66
- Issue published online: 6 SEP 2012
- Article first published online: 6 SEP 2012
- Received for review August 22, 2005; Accepted in final form January 13, 2006
Objective: To test the a priori hypothesis that obesity is a predictor of risk for reporting homebound status.
Research Methods and Procedures: A longitudinal cohort study was conducted with 21, 645 community-dwelling men and women 65 to 97 years old. A nutrition risk screen was administered baseline between 1994 and 1999 and again 3 to 4 years later. Univariate analyses identified baseline variables associated with subsequent reporting of homebound status. Multivariable logistic regression models were created to identify baseline variables that were significant independent predictors of reporting homebound status.
Results: At baseline, 24% of the cohort had BMI ≥ 30. There were 12, 834 (45% men) respondents at follow-up (68% response). Non-responders at follow-up differed little from responders except for greater baseline age (72.2 ± 6.2 vs. 71.4 ± 5.6 years, p < 0.001) and reporting of any functional limitations (9.2% vs. 4.9%, p < 0.001). At follow-up, those who reported homebound status (n = 169) were significantly (p < 0.001) older (80.3 ± 7.3 vs. 75.1 ± 5.5 years) and more likely to report functional limitations (83.4% vs. 10.8%). Univariate analyses identified 16 baseline variables that were eliminated stepwise until five significant independent predictors remained: age ≥ 75 years (2.21, 1.55 to 3.15/odds ratio, 95% confidence interval), BMI ≥ 35 (1.75, 1.04 to 2.96), poor appetite (2.50, 1.29 to 4.86), low income (1.59, 1.00 to 2.56), and any functional limitation (10.67, 7.36 to 15.46).
Discussion: Obesity remained a significant independent predictor for reporting homebound status and should be considered in screening of older populations and in the planning, implementation, and evaluation of services for homebound older persons.