Developing a Japanese version of the Injustice Experience Questionnaire-chronic and the contribution of perceived injustice to severity of menstrual pain: a web-based cross-sectional study

Table 2 Goodness-of-fit summary (one-factor solution) (n = 130)

	χ²(df)	χ²/df	RMSEA (90% CI)	SRMR	CFI	TLI
Model 1: one factor (12 items)	179.20 (54)	3.32	0.13 (0.11–0.16)	0.04	0.92	0.90
Model 2: one factor (12 items + five error covariance)	103.32 (49)	2.11	0.09 (0.07–0.12)	0.03	0.96	0.95

χ2, chi square; df, degrees of freedom; RMSEA, root mean square error of approximation; CI, confidence intervals; SRMR, standardized root mean square residual; CFI, comparative fit indices; TLI, Tucker-Lewis Index

ISSN: 1751-0759