Psychometric properties of the patient-reported outcomes measurement information system scale v1.2: global health (PROMIS-GH) in a Dutch general population

Table 4 Fit statistics of the PROMIS Global Mental Health and Global Physical Health items in ten random sub samples of the Dutch general population (N = 437 per sample)

Items	Sample 1		Sample 2		Sample 3		Sample 4		Sample 5		Sample 6		Sample 7		Sample 8		Sample 9		Sample 10
Items	S-X²	p.S-X²	S-X²	p.S-X²	S-X²	p.S-X²	S-X²	p.S-X²	S-X²	p.S-X²	S-X²	p.S-X²	S-X²	p.S-X²	S-X²	p.S-X²	S-X²	p.S-X²	S-X²	p.S-X²
Global mental health
Global02	12.559	0.084	13.954	0.083	6.435	0.696	6.796	0.658	42.118	0.000	10.239	0.509	22.968	0.003	8.201	0.414	14.972	0.133	8.879	0.449
Global04	14.218	0.115	21.793	0.040	17.267	0.100	18.825	0.043	34.371	0.001	30.387	0.007	24.238	0.007	39.123	0.000	23.835	0.021	18.996	0.089
Global05	18.809	0.027	12.457	0.189	30.303	0.000	11.846	0.540	8.327	0.684	17.109	0.105	4.854	0.847	25.040	0.015	19.845	0.031	14.416	0.155
Global10	63.991	0.000	39.085	0.007	43.508	0.000	35.477	0.003	42.483	0.001	56.640	0.000	47.465	0.000	73.273	0.000	47.167	0.000	19.519	0.191
Global physical health
Global03	23.068	0.041	30.304	0.003	17.584	0.092	28.022	0.009	25.689	0.019	24.152	0.030	9.089	0.614	19.221	0.057	14.474	0.341	25.292	0.046
Global06	23.940	0.121	25.469	0.085	16.071	0.519	22.376	0.171	27.245	0.099	15.739	0.471	17.621	0.347	28.619	0.038	26.008	0.074	22.647	0.123
Global07	19.943	0.174	15.422	0.350	13.859	0.460	16.168	0.303	38.288	0.000	11.051	0.854	24.764	0.053	39.554	0.001	12.297	0.503	14.859	0.388
Global08	7.800	0.856	17.086	0.449	18.065	0.204	20.637	0.193	13.724	0.687	20.874	0.141	16.816	0.536	32.616	0.019	19.606	0.143	27.718	0.048
Recommended values	N/S	≥ p-BC	N/S	≥ p-BC	N/S	≥ p-BC	N/S	≥ p-BC	N/S	≥ p-BC	N/S	≥ p-BC	N/S	≥ p-BC	N/S	≥ p-BC	N/S	≥ p-BC	N/S	≥ p-BC

S-X², item fit statistics under the Graded Response Model; p.S-X², p-value related to the S-X²; p-BC, p-value Bonferroni corrected
p-value was set at 0.000625 (Bonferroni corrected)
Statistics values beyond the recommended cut-off presented in bold

ISSN: 1477-7525