Social exclusion, thwarted belongingness, and perceived burdensomeness: construct validity and psychometric properties of the Interpersonal Needs Questionnaire among patients with sexually transmitted infections in Shanghai, China

Table 1 Fit statistics for exploratory and confirmatory factor analysis models

Model	Factor	x²	df	x²/df	p	RMSEA	90% CI	CFI	TLI	SRMR	Eigenvalue
EFA for sample1	1	1375.780	90.000	15.286	< 0.001	0.177	0.169–0.186	0.405	0.306	0.195	5.288
	2	598.996	76.000	7.882	< 0.001	0.123	0.114–0.132	0.758	0.666	0.070	3.508
	3	463.786	63.000	7.362	< 0.001	0.118	0.108–0.128	0.815	0.691	0.046	1.351
	4	193.466	51.000	3.793	< 0.001	0.078	0.067–0.090	0.934	0.864	0.029	0.896
CFA for sample2	3	403.177	87.000	4.634	< 0.001	0.089	0.081–0.098	0.829	0.793	0.067
	3-Refined	212.884	86.000	2.475	< 0.001	0.057	0.047–0.067	0.931	0.916	0.044

ISSN: 2050-7283