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Table 1 Sample characteristics at baseline

From: Persistent use of psychotropic drugs in nursing home residents in Norway

   A1 CDR ≥ 1 CDR < 1 P-valuesa
1163 932   
Socio-demographics
 Age Mean (SD) 84.4 (7.8) 84.5 (7.5) 83.8 (9.0) 0.223
 Females N (%) 846 (72.7) 686 (73.6) 156 (68.7) 0.139
 Education < 10 years N (%) 847 (74.8) 673 (74.1) 170 (76.9) 0.390
 Married N (%) 221 (19.0) 185 (19.8) 36 (15.9) 0.178
Health condition
 GMHR
  Good   Fairly good   Poor   Very Poor N (%) N (%) N (%) N (%) 194 (17.2) 386 (34.1) 378 (33.4) 173 (15.3) 142 (15.7) 291 (32.2) 322 (35.6) 150 (16.6) 52 (23.4) 94 (42.3) 53 (23.9) 23 (10.4) <0.001
 PSMS score Mean (SD) 18.1 (5.4) 18.8 (5.3) 15.4 (4.8) <0.001
 NPI Agitation sub-syndrome Mean (SD) 5.8 (8.0) 6.5 (8.2) 2.9 (6.1) <0.001
 NPI Psychosis sub-syndrome Mean (SD) 2.8 (5.1) 3.2 (5.3) 1.3 (3.8) <0.001
 NPI Affective sub-syndrome Mean (SD) 3.5 (5.3) 3.7 (5.4) 2.9 (4.9) 0.041
 NPI Apathy Mean (SD) 2.2 (3.7) 2.4 (3.8) 1.1 (2.9) <0.001
 No of drugs Mean (SD) 6.0 (3.1) 5.8 (3.0) 6.9 (3.3) <0.001
 Days in NH Mean (SD) 938.3 (1013.0) 928.9 (910.1) 975.5 (1359.3) 0.534
  1. CDR Clinical Dementia Rating scale
  2. GMHR General Medical Health rating
  3. PSMS Physical Self-Maintenance Scale
  4. NPI Neuropsychiatric Inventory
  5. NH Nursing home
  6. aCalculated by using t-test for Independent samples for continuous or χ2-test for categorical variables