Journal of Aging Research [20] A. Bowling and E. Grundy, “The association between social networks and mortality in later life,” Reviews in Clinical Gerontology, vol. 8, no. 4, pp. 353–361, 1998. [21] L. W. Poon, S. M. Jazwinski, and R. C. Green, “Methodological considerations in studying centenarians: lessons learned from the Georgia Centenarian Studies,” Annual Review of Gerontol- ogy and Geriatrics, vol. 27, pp. 231–264, 2007. [22] F. Blanchard-Fields and A. Kalinauskas, “Theoretical perspec- tives on social context, cognition, and aging,” in Handbook of Theories of Aging, V.L. Bengston, D. Gans, N. M. Putney, and M. Silverstein, Eds., pp. 261–276, Springer, New York, NY, USA, 2nd edition, 2009. [23] L. L. Carstensen, D. M. Isaacowitz, and S. T. Charles, “Taking time seriously: a theory of socioemotional selectivity,” American Psychologist, vol. 54, no. 3, pp. 165–181, 1999. [24] T. C. Antonucci, “Social relations: an examination of social networks, social support, and sense of control,” in Handbook of the Psychology of Aging, J. E. Birren and K. W. Schaie, Eds., pp. 427–453, Academic Press, San Diego, Calif, USA, 2001. [25] L. K. George, “Perceived quality of life,” in Handbook of Aging and the Social Sciences, R. H. Binstock and L. K. George, Eds., pp. 320–336, Academic Press, Burlington, Mass, USA, 6th edition, 2006. [26] N. Krause, “Social relationships in late life,” in Handbook of Aging and the Social Sciences, R. H. Binstock and L. K. George, Eds., pp. 182–201, Academic Press, Burlington, Mass, USA, 6th edition, 2006. [27] A. D. Faber and S. Wasserman, “Social support and social net- works: synthesis and review,” Advances in Medical Sociology, vol. 8, pp. 29–72, 2002. [28] R. Weiss, “The provisions of social relationships,” in Doing Unto Others, Z. Rubin, Ed., pp. 17–26, Prentice Hall, Engle- wood Cliﬀs, NJ, USA, 1974. [29] N. Krause, “Assessing change in social support during late life,” Research on Aging, vol. 21, no. 4, pp. 539–569, 1999. [30] T. L. Bisconti and C. S. Bargeman, “Perceived social control as a mediator of the relationships among social support, psychological well-being, and perceived health,” Gerontologist, vol. 39, no. 1, pp. 94–103, 1999. [31] A. Bandura, “Self-eﬃcacy: toward a unifying theory of behavioral change,” Psychological Review, vol. 84, no. 2, pp. 191–215, 1977. [32] C. E. Ross and J. Sastry, “The sense of personal control: social- structural causes and emotional consequences,” in Handbook of the Sociology of Mental Health, C. S. Aneshensel and J. C. Phelan, Eds., pp. 369–394, Plenum, New York, NY, USA, 1999. [33] P. T. Costa and R. R. McCrae, Revised NEO Personality Inven- tory (NEO PI-R) and NEO Five-Factor Inventory (NEO-FFI) Professional Manual, Psychological Assessment Resources, Odessa, Fla, USA, 1992. [34] R. L. Piedmont, The Revised NEO Personality Inventory: Clinical and Research Applications, Plenum Press, New York, NY, USA, 1998. [35] T. C. Antonucci, J. E. Lansford, H. Akiyama et al., “Diﬀerences between men and women in social relations, resource deﬁcits, and depressive symptomatology during later life in four nations,” Journal of Social Issues, vol. 58, no. 4, pp. 767–783, 2002. [36] T. C. Antonucci, R. Fuhrer, and J. F. Dartigues, “Social relations and depressive symptomatology in a sample of community-dwelling French older adults,” Psychology and Aging, vol. 12, no. 1, pp. 189–195, 1997. [37] S. L. Chen, J. W. Brown, L. C. Meﬀord et al., “Elders’ decisions to enter assisted living facilities: a grounded theory study,” 9 Journal of Housing for the Elderly, vol. 22, no. 1-2, pp. 86–103, 2008. [38] E. K. Rossen, “Assessing older persons’ readiness to move to independent congregate living,” Clinical Nurse Specialist, vol. 21, no. 6, pp. 292–296, 2007. [39] D. Street, S. Burge, J. Quadagno, and A. Barrett, “The salience of social relationships for resident well-being in assisted living,” Journals of Gerontology. Series B , vol. 62, no. 2, pp. S129–S134, 2007. [40] J. P. Tracy and S. DeYoung, “Moving to an assisted living facility: exploring the transitional experience of elderly indi- viduals,” Journal of Gerontological Nursing, vol. 30, no. 10, pp. 26–33, 2004. [41] M. F. Folstein, S. E. Folstein, and P. R. McHugh, “’Mini mental state’. A practical method for grading the cognitive state of patients for the clinician,” Journal of Psychiatric Research, vol. 12, no. 3, pp. 189–198, 1975. [42] G. G. Fillenbaum, Multidimensional Functional Assessment of Older Adults: The Duke Older Americans Resources and Services Procedures, L. Erlbaum Associates, Hillsdale, NJ, USA, 1988. [43] K. B. DeSalvo, W. P. Fisher, K. Tran, N. Bloser, W. Merrill, and J. Peabody, “Assessing measurement properties of two single- item general health measures,” Quality of Life Research, vol. 15, no. 2, pp. 191–201, 2006. [44] M. Jylha¨, S. Volpato, and J. M. Guralnik, “Self-rated health showed a graded association with frequently used biomarkers in a large population sample,” Journal of Clinical Epidemiology, vol. 59, no. 5, pp. 465–471, 2006. [45] J. E. Rohrer, D. C. Herman, S. P. Merry, J. M. Naessens, and M. S. Houston, “Validity of overall self-rated health as an outcome measure in small samples: a pilot study involving a case series,” Journal of Evaluation in Clinical Practice, vol. 15, no. 2, pp. 366–369, 2009. [46] K. B. DeSalvo, N. Bloser, K. Reynolds, J. He, and P. Munt- ner, “Mortality prediction with a single general self-rated health question: a meta-analysis,” Journal of General Internal Medicine, vol. 21, no. 3, pp. 267–275, 2006. [47] M. Olfson, S. C. Marcus, M. Tedeschi, and G. J. Wan, “Con- tinuity of antidepressant treatment for adults with depression in the United States,” American Journal of Psychiatry, vol. 163, no. 1, pp. 101–108, 2006. [48] S. H. Zuvekas and J. A. Fleishman, “Self-rated mental health and racial/ethnic disparities in mental health service use,” Medical Care, vol. 46, no. 9, pp. 915–923, 2008. [49] C. Cutrona and D. Russell, “The provisions of social rela- tionships and adaptation to stress,” in Advances in Personal Relationships, J. H. Jones and D. Perlman, Eds., vol. 1, pp. 37– 67, JAI Press, Greenwich, Conn, USA, 1987. [50] Y. Gondo, N. Hirose, Y. Arai et al., “Functional status of centenarians in Tokyo, Japan: developing better phenotypes of exceptional longevity,” Journals of Gerontology. Series A, vol. 61, no. 3, pp. 305–310, 2006. [51] S. M. Samuelsson, B. Bauer Alfredson, B. Hagberg et al., “The Swedish Centenarian Study: a multidisciplinary study of ﬁve consecutive cohorts at the age of 100,” International Journal of Aging and Human Development, vol. 45, no. 3, pp. 223–253, 1997. [52] W. Herzog and A. Boomsma, “Small-sample robust estimators of noncentrality-based and incremental model ﬁt,” Structural Equation Modeling, vol. 16, no. 1, pp. 1–27, 2009. [53] D. L. Jackson, “Revisiting sample size and number of parame- ter estimates: some support for the N:q hypothesis,” Structural Equation Modeling, vol. 10, no. 1, pp. 128–141, 2003.