Table 2. Psychometric properties of the Affiliate Stigma Scale at the item level .

Item No.	Analyses from classical test theory			Analyses from Rasch
	Factor loading a	Item-total correlation	Test-retest reliability b	Infit MnSq	Outfit MnSq	Difficulty	DIF contrast across gender cd
Congnitive-1	0.71	0.64	0.72	1.10	1.02	0.09	0.01
Congnitive-2	0.82	0.74	0.78	0.83	0.76	-0.12	-0.59
Congnitive-3	0.77	0.70	0.83	0.90	0.83	0.32	0.29
Congnitive-4	0.80	0.73	0.77	0.87	0.85	0.01	0.07
Congnitive-5	0.70	0.68	0.79	1.02	1.01	0.13	0.03
Congnitive-6	0.69	0.65	0.84	1.31	1.31	-0.07	0.01
Congnitive-7	0.77	0.73	0.88	0.96	0.88	-0.36	-0.27
Affective-1	0.79	0.76	0.79	0.86	0.85	-0.64	-0.55
Affective-2	0.82	0.79	0.74	1.06	1.04	-0.39	-0.61
Affective-3	0.74	0.71	0.76	1.01	1.01	0.48	0.43
Affective-4	0.80	0.77	0.86	0.77	0.80	0.29	-0.29
Affective-5	0.81	0.77	0.80	1.28	1.34	0.49	0.38
Affective-6	0.83	0.78	0.83	0.89	0.89	0.06	0.49
Affective-7	0.71	0.70	0.89	1.02	1.03	-0.30	0.39
Behavioral-1	0.70	0.57	0.82	0.86	0.93	-0.66	0.08
Behavioral-2	0.72	0.81	0.79	1.17	1.13	0.24	0.19
Behavioral-3	0.78	0.72	0.76	0.84	0.75	-0.08	-0.25
Behavioral-4	0.77	0.62	0.84	0.86	0.84	-0.19	-0.38
Behavioral-5	0.72	0.60	0.72	0.84	0.85	0.20	-0.09
Behavioral-6	0.69	0.74	0.77	1.06	1.06	0.89	-0.47
Behavioral-7	0.71	0.62	0.76	1.13	1.03	-0.40	-0.11
Behavioral-8	0.72	0.76	0.88	1.15	1.13	0.01	-0.47

Abbreviation: DIF, differential item functioning.

^a Based on the Second-order confirmatory factor analysis.

^b Using Intraclass Correlation Coefficient (ICC).

^c DIF contrast > 0.5 indicates substantial DIF.

^d DIF contrast across gender=Difficulty for females-Difficulty for males.