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Table 2 General Characteristics of Population by Year

From: Temporal and Geographic variation in the validity and internal consistency of the Nursing Home Resident Assessment Minimum Data Set 2.0

  2000 2002 2004 2006
  n= 790,227 n= 790,617 n= 773,746 n= 718,555
Variable
Mean Age (± SD) 81.1 ± 7.3 81.1 ± 7.3 81.0 ± 7.3 81.0 ± 7.4
65-74 20.3% 20.5% 20.7% 21.1%
75-84 45.7% 46.1% 46.1% 45.6%
85+ 33.9% 33.4% 33.1% 33.3%
Gender     
Male 33.4% 34.5% 35.1% 35.7%
Female 66.6% 65.5% 64.9% 64.3%
Mean number of Diagnoses (± SD) 7.0 ± 2.2 7.4 ± 2.1 7.7 ± 1.9 8.0 ± 1.8
1-2 3.8% 2.7% 1.9% 1.3%
3-4 12.5% 9.7% 7.4% 5.8%
5-6 20.5% 17.3% 14.4% 11.8%
7-8 21.6% 20.8% 18.8% 16.4%
9 41.6% 49.6% 57.5% 64.7%
Cognitive and functional measures    
Long Form Activity of Daily Living Scale (± SD) 14.1 ± 7.0 14.5 ± 6.9 14.8 ± 6.7 15.4 ± 6.2
Cognitive Performance Scale (± SD) 1.5 ± 1.7 1.5 ± 1.7 1.4 ± 1.6 1.4 ± 1.6
CHESS (± SD) 1.8 ± 1.1 1.8 ± 1.1 1.8 ± 1.1 1.8 ± 1.0
  1. SD: standard deviation