Table 6.

Mean observed and predicted time trade-off scores for 38 health states, for internal samples (N = 12,663 values) and external samples (N = 6,357) in Zimbabwe compared to observed values in the United Kingdom [8].

	Internal sample	External sample			UK Sample
Health State	Observed mean	Observed mean	Predicted mean*	Absolute difference	Observed
11111	0.94	0.93	0.90	0.03
11112	0.87	0.90	0.85	0.05	0.834
11113	0.73	0.75	0.72	0.02	0.392
11121	0.85	0.83	0.83	0.00	0.850
11122	0.70	0.70	0.78	0.08	0.722
11131	0.56	0.59	0.60	0.00	0.200
11133	0.52	0.45	0.42	0.03	-0.049
11211	0.84	0.84	0.85	0.02	0.869
11312	0.67	0.69	0.72	0.03	0.552
12111	0.81	0.82	0.81	0.02	0.834
12121	0.69	0.67	0.74	0.06	0.742
12211	0.65	0.64	0.76	0.12	0.767
12222	0.58	0.59	0.65	0.06	0.552
12223	0.50	0.48	0.52	0.04	0.216
13212	0.63	0.58	0.58	0.00	0.389
13311	0.55	0.54	0.53	0.01	0.346
13332	0.28	0.28	0.18	0.10	-0.228
21222	0.62	0.60	0.69	0.09	0.553
21232	0.41	0.44	0.45	0.01	0.064
21312	0.61	0.62	0.66	0.04	0.536
22112	0.69	0.68	0.70	0.02	0.662
22121	0.65	0.69	0.68	0.01	0.645
22122	0.62	0.60	0.64	0.04	0.540
22222	0.56	0.59	0.59	0.01	0.500
22233	0.25	0.30	0.23	0.07	-0.142
22323	0.43	0.42	0.37	0.05	0.042
22331	0.33	0.33	0.32	0.02	-0.011
23232	0.28	0.27	0.22	0.05	-0.084
23321	0.37	0.39	0.41	0.02	0.147
32223	0.30	0.34	0.32	0.02	-0.174
32232	0.21	0.21	0.21	0.00	-0.223
32313	0.40	0.43	0.29	0.14	-0.152
32331	0.27	0.27	0.16	0.11	-0.276
33212	0.37	0.37	0.37	0.00	-0.022
33232	0.23	0.19	0.07	0.12	-0.332
33321	0.29	0.34	0.26	0.08	-0.120
33323	0.18	0.16	0.09	0.07	-0.386
33333	-0.24	-0.24	-0.15	0.09	-0.543
MAE†	0.049			0.045	0.039

*Based on estimates ^†MAE=Mean absolute difference between observed and predicted means