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Table 1 Characteristics of people with dementia

From: Inter-rater agreement of the Quality of Life-Alzheimer’s Disease (QoL-AD) self-rating and proxy rating scale: secondary analysis of RightTimePlaceCare data

  Total
n = 1330
ILTC
n = 476 (35.8%)
HC
n = 854 (64.2%)
Age/ years, mean (SD) 83.0 (6.4) 84.4 (6.1) 82.3 (6.4)
Gender, n (%)
 Female 876 (65.9%) 346 (72.7%) 530 (62.1%)
 Male 454 (34.1%) 130 (27.3%) 324 (37.9%)
Marital status, n (%)
 Married 549 (41.3%) 128 (26.9%) 421 (49.3%)
 Widowed 662 (49.8%) 293 (61.7%) 369 (43.2%)
 Divorced 69 (5.2%) 31 (6.5%) 38 (4.4%)
 Other 49 (3.7%) 23 (4.8%) 26 (3.0%)
Length of formal education/ years, mean (SD) 9.1 (3.8) 8.9 (3.6) 9.1 (3.9)
NPI-Q, mean (SD) 7.9 (6.0) 6.3 (5.5) 8.8 (6.1)
S-MMSE, mean (SD) 15.0 (5.7) 13.3 (5.5) 15.9 (5.6)
CSDD, mean (SD) 6.9 (5.5) 5.5 (4.7) 7.7 (5.7)
KATZ ADL, mean (SD) 3.4 (1.8) 2.6 (1.7) 3.8 (1.7)
  1. For some variables, data are not available for all participants (percentages are relative frequencies of the valid values)
  2. Value ranges of measures: see Additional file 1