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Table 1 Sample characteristics at baseline

From: Physical diagnoses in nursing home residents - is dementia or severity of dementia of importance?

  Total CDR < 1 CDR ≥ 1 P-value3
  N (%) 2983 (100) 513 (17.2) 2470 (82.8)  
Sociodemographics
 Age Mean (SD) 85.1 (7.9) 84.3 (9.2) 85.3 (7.6) 0.0191
 Females N (%) 2132 (71.5) 352 (68.6) 1780 (72.1) 0.1371
 Education < 10 years N (%) 2227 (79.7) 376 (78.7) 1851 (80.0) 0.1732
 Married N (%) 630 (21.1) 86 (16.9) 544 (22.2) 0.0182
Health condition
 GMHR      < 0.0012
  Good N (%) 474 (16.1) 101 (20.1) 373 (15.3)  
  Fairly good N (%) 1097 (37.3) 220 (43.7) 877 (36.0)  
  Poor N (%) 1033 (35.1) 142 (28.2) 891 (36.6)  
  Very poor N (%) 335 (11.4) 40 (8.0) 295 (12.1)  
 PSMS score Mean (SD) 18.0 (5.4) 14.9 (5.0) 18.6 (5.2) < 0.0011
 NPI Agitation subsyndrome Mean (SD) 6.0 (8.2) 2.3 (5.1) 6.7 (8.5) < 0.0011
 NPI Psychosis subsyndrome Mean (SD) 2.7 (5.1) 0.9 (3.2) 3.1 (5.3) < 0.0011
 NPI Affective subsyndrome Mean (SD) 3.5 (5.2) 2.4 (4.3) 3.7 (5.3) < 0.0011
 NPI Apathy Mean (SD) 2.0 (3.5) 0.8 (2.3) 2.3 (3.7) < 0.0011
 Number of drugs Mean (SD) 6.6 (3.2) 7.7 (3.6) 6.4 (3.1) < 0.0011
 Days in NH4 Mean (SD) 931.0 (997.9) 882.5 (1162.8) 941.1 (960.0) < 0.0011
  1. CDR Clinical Dementia Rating, GMHR General Medical Health Rating, PSMS Physical Self-Maintenance Scale, NPI Neuropsychiatric Inventory, NH Nursing Home
  2. 1Adjusted for intra-patient correlations
  3. 2Adjusted for NH-level
  4. 3Calculated by estimating linear mixed model for continuous variables and generalized linear mixed model for categorical variables
  5. 4p-value calculated on LN-transformed days in NH