Adaptation and validation of a culturally adapted HIV stigma scale in Myanmar

BMC Public Health

Table 3 The difficult, infit, outfit MNSQ and corrected item-total correlation of 35 items

Item	Item difficult^a	Infit MNSQ	Infit ZSTD	Outfit MNSQ	Outfit ZSTD	Corrected item-total correlation
I-2	0.53	1.12	1.2	1.24	2.0	0.57^†
I-3	0.59	0.73	−2.8	0.73	−2.5	0.69^†
I-5	−0.96	0.97	−0.2	0.91	−0.7	0.63^†
I-6	−0.08	1.15	1.4	1.12	1.1	0.63^†
I-7	0.77	0.98	−0.2	0.96	−0.3	0.62^†
I-9	−0.61	0.74	−2.5	0.82	−1.6	0.69^†
I-10	−0.7	0.86	−1.3	0.83	−1.5	0.65^†
I-12	0.58	1.05	0.5	1.06	0.5	0.59^†
I-14	−0.64	0.99	−0.1	1.01	0.1	0.65^†
I-15	1.18	1.16	1.5	1.15	1.2	0.53^†
I-16	−0.59	0.87	−1.2	0.83	−1.5	0.66^†
I-17	−1.30	0.93	−0.6	0.98	−0.1	0.54^†
I-18	0.37	0.63	−4.0	0.65	−3.6	0.74^†
I-19	−0.25	0.81	−1.8	0.78	−2.0	0.69^†
I-20	−0.71	0.85	−1.3	0.80	−1.8	0.66^†
I-23	0.98	0.99	−0.1	0.98	−0.4	0.61^†
I-24	−0.13	0.94	−0.6	0.92	−0.7	0.61^†
I-25	−0.38	1.04	0.4	1.06	0.6	0.66^†
I-28	−0.15	0.67	−3.4	0.66	−3.4	0.73^†
I-29	0.40	0.75	−2.5	0.77	−2.2	0.68^†
I-32	0.19	0.85	−1.5	0.84	−1.4	0.69^†
I-33	0.28	0.72	−2.8	0.72	−2.8	0.70^†
I-34	−0.09	0.85	−1.4	0.9	−0.9	0.68^†
I-35	−0.02	0.78	−2.1	0.78	−2.1	0.68^†
I-36	0.23	0.82	−1.8	0.81	− 1.8	0.68^†
I-37	−0.47	1.12	1.1	1.27	1.4	0.64^†
I-38	0.17	0.73	−2.7	0.73	−2.6	0.65^†
I-40	−0.85	0.69	−3.1	0.66	−3.3	0.70^†
I-41	−0.07	1.32	2.7	1.38	3.1	0.47^†
I-42	−1.02	1.40	2.5	1.36	2.5	0.40^†
I-43	−0.05	1.32	2.7	1.32	2.7	0.39^†
I-44	0.10	0.84	2.1	0.87	2.3	0.33^†
I-45	0.31	0.76	3.0	0.75	3.0	0.37^†
I-46	1.11	1.36	3.2	1.39	2.9	0.34^†
I-47	0.33	1.02	3.2	1.03	3.2	0.36^†

^†p < 0.05; MNSQ mean square
^aMeasured in logit; positive item logit indicates that the item requires a lower visual ability, than the mean of the items and is an easier item, whereas a negative item logit indicates that, the item requires a higher visual ability than the mean of the items and is a more difficult item

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