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Table 3 Self-rating and proxy rating of quality of life; QoL-AD baseline data from the RTPC study

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

  QoL-AD-SR, mean (SD) QoL-AD-PR, mean (SD)
  Total ILTC HC Total ILTC (professional carers) HC (informal carers)
  n = 1330 n = 476 n = 854 n = 1330 n = 476 n = 854
Total score 33.2 (6.1) 32.5 (6.3) 33.5 (5.9) 29.8 (5.5) 31.5 (5.8) 28.8 (5.1)
Physical health 2.4 (0.8) 2.4 (0.8) 2.4 (0.8) 2.2 (0.8) 2.3 (0.7) 2.1 (0.8)
Energy 2.4 (0.8) 2.4 (0.8) 2.4 (0.8) 2.1 (0.8) 2.4 (0.8) 1.9 (0.8)
Mood 2.5 (0.8) 2.4 (0.8) 2.5 (0.8) 2.3 (0.7) 2.4 (0.8) 2.2 (0.7)
Living situation 2.9 (0.7) 2.7 (0.7) 3.0 (0.7) 2.9 (0.7) 2.9 (0.7) 3.0 (0.7)
Memory 2.1 (0.8) 2.1 (0.8) 2.0 (0.7) 1.5 (0.6) 1.7 (0.7) 1.3 (0.5)
Family 3.0 (0.7) 2.9 (0.8) 3.1 (0.6) 2.9 (0.8) 3.1 (0.8) 2.8 (0.8)
Marriage 3.1 (0.8) 3.0 (0.8) 3.1 (0.7) 2.9 (0.8) 3.0 (0.9) 2.9 (0.8)
Friends 2.6 (0.8) 2.6 (0.8) 2.6 (0.8) 2.3 (0.9) 2.4 (0.9) 2.2 (0.9)
Self as a whole 2.6 (0.7) 2.5 (0.8) 2.6 (0.7) 2.4 (0.8) 2.6 (0.7) 2.3 (0.8)
Ability to do chores around the house 2.2 (0.9) 2.2 (0.9) 2.2 (0.8) 1.6 (0.8) 1.7 (0.8) 1.5 (0.7)
Ability to do things for fun 2.4 (0.8) 2.3 (0.9) 2.4 (0.8) 1.9 (0.8) 2.2 (0.9) 1.7 (0.8)
Money 2.5 (0.7) 2.4 (0.8) 2.6 (0.7) 2.5 (0.8) 2.4 (0.8) 2.6 (0.8)
Life as a whole 2.6 (0.7) 2.6 (0.8) 2.7 (0.7) 2.4 (0.7) 2.5 (0.7) 2.3 (0.7)
  1. Points are assigned to each item as follows: poor = 1, fair = 2, good = 3, excellent = 4
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