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Table 4 Inter-rater agreement at the item level; weighted kappa (κw) and 95% confidence intervals (95% CI)

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 item Number of cases (n) κw 95% CI
Marriage 1232 0.26 (0.20; 0.31)
Family 1319 0.17 (0.11; 0.23)
Living situation 1315 0.15 (0.10; 0.21)
Ability to do chores around the house 1314 0.15 (0.11; 0.20)
Physical health 1328 0.11 (0.05; 0.17)
Energy 1318 0.11 (0.06; 0.17)
Mood 1317 0.11 (0.05; 0.17)
Money 1251 0.10 (0.04; 0.16)
Friends 1274 0.09 (0.03; 0.14)
Memory 1318 0.06 (0.01; 0.10)
Ability to do things for fun 1309 0.04 (−0.01; 0.10)
Self as a whole 1285 0.04 (−0.02; 0.10)
Life as a whole 1310 0.02 (−0.04; 0.08)