Validation of the short assessment of health literacy (SAHL-D) and short-form development: Rasch analysis

Table 2 Item fit in order of difficulty (N = 1231)

Item	Measure	Model	Infit		Outfit
Item	Measure	S.E.	MNSQ	ZTSD	MNS	ZSTD
Ventricle	2.95	.07	.96	−1	.89	− 1.3
Manic	2.2	.07	.99	−0.4	1.14	1.9
Reflux	1.85	.07	.92	−2.9	.97	− 0.4
Gelling agent	1.81	.07	1.14	5.1	1.20	3.1
Palliation	1.55	.07	.86	−5.6	1.12	1.9
Hemophilia	1.41	.07	1.05	1.7	1.05	0.9
Pessary	1.27	.07	.99	−0.4	.95	−0.8
Malaise	1.05	.07	1.13	4.2	1.23	3.4
Orthodontia	0.99	.07	1.17	5.1	1.25	3.7
Beta-blocker	0.87	.07	1.04	1.3	1.53	7
Chlamydia	0.81	.07	.99	−0.3	.98	−0.3
Prenatal	0.74	.07	.90	−3	.83	−2.7
Resistance	0.7	.07	1.15	4.3	1.26	3.5
Pancreas	0.61	.07	.85	−4.5	.74	− 4.1
Echography	0.6	.07	1.09	2.6	1.11	1.6
Apathy	0.36	.08	.96	−1	.90	−1.3
Chiropractor	0.14	.08	1.12	2.8	1.31	3.3
Delirium	0.02	.08	1.11	2.4	1.12	1.3
Psoriasis	0	.08	1.05	1.1	1.14	1.5
Edema	−0.35	.09	.89	−2.1	.73	−2.6
Hospice	−0.54	.09	.95	−0.9	.91	− 0.7
Biopsy	−0.75	.10	.91	−1.3	.77	− 1.8
Euphoria	−0.83	.10	.90	−1.5	.63	−2.9
Oncology	−0.95	.10	.90	−1.4	.54	−3.6
Plaque	−1.12	.11	.81	−2.6	.60	− 2.7
Obesity	−1.13	.11	.96	−0.5	.96	−0.2
Flaking	−1.15	.11	.99	−0.1	1.22	1.3
Apnea	−1.25	.11	1.05	0.6	.93	−0.3
Schizophrenia	−1.32	.11	.94	−0.7	.86	−0.7
Adrenalin	−1.89	.14	1.05	0.5	1.88	3.1
Achilles tendon	−2.44	.17	.96	−0.3	.70	−1.1
Defibrillation	−2.92	.20	.85	−0.9	.42	−2.4
Spinal cord lesion	−3.27	.22	.90	−0.5	.56	−1.5