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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Am J Alzheimers Dis Other Demen. 2010 Jul 2;25(5):439–445. doi: 10.1177/1533317510370955

Table 1.

Characteristics of Study Participants and Relationship to Survival (n=123)

Residents’ Characteristics Total
Sample
Died
(n= 93)
Survived or
Discharged
(n=30)
Statistic p-value
Demographic characteristics
   Gender
     Female % (n=68) 55.3 53.8 60.0 χ2 (df=1) = 0.357 0.550
     Male % (n=55) 44.7 46.2 40.0
   Age (years) Mean(SD) (n=123) 81.5 (7.1) 82.1 (7.0) 79.6 (7.0) t = −1.705 0.095
   Race (n=123)
     White % (n=103) 83.7 83.9 83.3 χ2 (df=1)= 0.005 0.945
     Non-white % (n=20) 16.3 16.1 16.7
   Residence (n=123)
     Site 1 % (n=41) 33.3 35.5 26.7 χ2 (df=2)=1.068 0.586
     Site 2 % (n=60) 48.8 46.2 56.7
     Site 3 % (n=22) 17.9 18.3 16.7
Health status characteristics
   Dementia diagnosis (n=123)
     Alzheimer disease % (n=71) 57.7 62.4 43.3 χ2 (df=1) = 3.367 0.067
     Other types of dementiaa % (n=52) 42.3 37.6 56.7
   Years with dementia symptomsb Mean (SD) (n=122) 8.6 (5.8) 8.8 (6.0) 7.9 (5.2) t = −0.807 0.423
   Years at nursing home Mean (SD) (n=123) 1.9 (3.0) 2.1 (3.3) 1.6 (1.8) t = −1.025 0.308
   SIRSc score Mean (SD) (n=121)c 10.3 (6.7) 10.1 (6.4) 11.1 (7.6) t = 0.660 0.513
   Health problemsd
     Heart disease % (n=123) 48.0 48.4 46.7 χ2 (df=1) = 0.027 0.870
     Pulmonary disorders % (n=123) 17.9 18.3 16.7 χ2 (df=1) = 0.040 0.841
     Diabetes Mellitus % (n=123) 13.8 14.0 13.3 χ2 (df=1) = 0.008 0.929
     Hallucinations and/or delusions % (n=123) 26.8 26.9 26.7 χ2 (df=1) = 0.0005 0.982
     Pneumonia % (n=123) 25.2 29.0 13.3 χ2 (df=1) = 2.966 0.085
a

Vascular dementia, mixed dementia, Lewy body dementia, frontotemporal dementia, dementia type not specified, dementia due to HIV, dementia due to Parkinson disease

b

Missing data- Years with dementia symptoms (n=1), SIRS score (n=2)

c

Severe Impairment Rating Scale

d

Health problems reported in medical records during 6 months preceding enrollment