Rasch Analysis of the Norwegian Version of the Occupational Balance Questionnaire in a Sample of Occupational Therapy Students

Table 5

Individual item fit statistics and principal component analysis for all 11 items combined.

Items	Mean measure	SE	Infit		Outfit		Factor loading	Point biserial correlations
			MnSq	-STD	MnSq	-STD
1	43.45	1.23	1.27	2.54	1.28	2.51	-0.24	0.49
2	49.41	1.22	0.78	-2.30	0.78	-2.30	0.19	0.68
3	47.75	1.23	1.01	0.12	1.02	0.23	-0.16	0.63
4	49.56	1.22	0.99	-0.06	0.98	-0.20	0.05	0.70
5	46.34	1.23	1.31	2.85	1.33	2.88	0.51	0.53
6	48.82	1.22	0.82	-1.92	0.80	-2.09	-0.01	0.73
7	52.39	1.22	0.82	-1.87	0.83	-1.77	-0.69	0.74
8	50.45	1.22	1.16	1.54	1.19	1.81	-0.54	0.65
9	53.44	1.22	0.64	-4.06	0.64	-3.99	-0.41	0.76
10	51.77	1.23	0.54	-5.37	0.54	-5.39	0.34	0.81
11	56.61	1.23	1.66	5.37	1.64	5.20	0.71	0.60

Note: 37 (20.6%) persons had poor infit underfit (); 57 (31.7%) persons had poor infit overfit ().