Health and Quality of Life Outcomes

Table 4 Results of the differential item functioning (DIF)

From: Development and validity assessment of a Japanese version of the Exercise Adherence Rating Scale in participants with musculoskeletal disorders

Item	Class A	DIF	DIF SE	Class B	DIF	DIF SE	DIF Contrast	df	Welch t	p
1	Female	− 0.76	0.14	Male	− 1	0.19	0.24	99	1.02	0.3124
2	Female	1.14	0.1	Male	1.32	0.14	− 0.18	99	− 1.01	0.3143
3	Female	1.39	0.1	Male	1.59	0.15	− 0.2	97	− 1.09	0.2789
4	Female	− 0.79	0.14	Male	− 1.3	0.22	0.52	87	1.99	0.05
5	Female	− 0.12	0.11	Male	− 0.21	0.15	0.09	103	0.46	0.6478
6	Female	− 0.84	0.14	Male	− 0.66	0.17	− 0.19	112	− 0.84	0.4003

Male = 63 participants, Female = 127 participants
SE, standard error of measurement; df, degree of freedom

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ISSN: 1477-7525

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