Measuring sexual violence stigma in humanitarian contexts: assessment of scale psychometric properties and validity with female sexual violence survivors from Somalia and Syria

Table 6 Comparison of nested MIMIC models to assess differential item functioning of core stigma items

	Pathway from country to item				Likelihood ratio test of constrained and full model*
	“Feeling detached”	“Blaming yourself”	“Feeling rejected”	“Feeling stigma”	Likelihood ratio test of constrained and full model*
Full model	− 0.482 (0.135), 0.000	− 0.488 (0.140), 0.000	0.254 (0.121), 0.035	0.370 (0.115), 0.001	–
Constrained model 1	INVARIANT^a	− 0.398 (0.137), 0.004	0.363 (0.119), 0.002	0.480 (0.115), 0.000	12.672 (df 1), p = 0.002
Constrained model 2	− 0.395 (0.132), 0.003	INVARIANT	0.363 (0.122), 0.003	0.480 (0.114), 0.000	12.122 (df 1), p = 0.002
Constrained model 3	− 0.526 (0.132), 0.000	− 0.532 (0.140), 0.000	INVARIANT	0.316 (0.113), 0.005	4.431 (df 1), p = 0.1412
Constrained model 4	− 0.553 (0.133), 0.000	− 0.559 (0.137), 0.000	0.167 (0.119), 0.161	INVARIANT	10.453 (df 1), p = 0.005

^aThe pathway from country to this item was not estimated, as it was treated as invariant in this model
*p values have been multiplied by the number of tests (n = 4) as a Bonferroni correction

ISSN: 1752-1505