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. Author manuscript; available in PMC: 2012 Feb 26.
Published in final edited form as: J Am Geriatr Soc. 2010 Sep 9;58(10):1925–1930. doi: 10.1111/j.1532-5415.2010.03058.x

Table 1.

Participant Baseline Characteristics

Characteristic Survived (n = 1,116) Died (n = 329) P-Value
Age 76.9 83.9 <.001
Female, n (%) 858 (76) 198 (64) <.001*
White, n (%) 738 (65) 282 (97) <.001*
Education, years, mean 14.5 14.3 .19
Mini-Mental State Examination score, mean (range 0–30) 28.1 27.4 <.001
Life space score, mean 0.52 1.04 <.001
Number of depressive symptoms, mean 1.26 1.64 <.001
Disability*
  Activity of daily living score, mean (range 0–6) 0.13 0.36 <.001
  Instrumental activity of daily living score, mean ± standard deviation (range 0–8) 0.68 ± 1.12 1.67 ± 1.83 .006
Gait score, mean 0.13 −0.29 <.001
Physical activity score, mean 1.24 1.09 .005
Number of social networks, mean 6.87 5.95 .006
Body mass index, kg/m2, mean 28.1 27.1 .006
Number of medical conditions, mean 1.36 1.39 .70

Statistical significance is based on t-tests or

*

chi-square tests.