Table 5.

Outcomes of tests for local independence for patients with RA: score level given the score level on the previous item

Category	LM	P	Score on previous category
			0		1		2		3		d
			Obs.	Exp.	Obs.	Exp.	Obs.	Exp.	Obs.	Exp.
2	8.03	0.05	0.18	0.23	0.80	0.76	1.28	1.26	1.61	1.70	0.09
3	3.65	0.30	0.53	0.51	1.28	1.30	1.91	1.97	2.83	2.79	0.06
4	2.25	0.52	0.37	0.34	0.81	0.83	1.35	1.40	1.99	2.04	0.05
5	2.50	0.48	0.61	0.64	1.38	1.34	1.95	1.95	2.57	2.49	0.06
6	7.69	0.05	0.22	0.26	0.86	0.80	1.27	1.25	1.78	1.84	0.06
7	0.34	0.95	0.57	0.57	1.18	1.19	1.82	1.82	2.40	2.30	0.10
8	1.01	0.80	0.50	0.47	1.17	1.18	1.84	1.85	2.45	2.46	0.03

RA Rheumatoid arthritis, The categories are numbered in the order as they appear in Table 4, LM outcome Lagrange multiplier test, Obs. Observed scores, Exp. Expected scores by the model, The observed total score is the sum score of the responses on all items, d effect size