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 2 Standardized factors for a three-factor model in sample 1 (exploratory factor analysis)

Item	Perceived burdensomeness	Thwarted belongingness	Social exclusion
These days, ······
1 The people in my life would be better off if I were gone	0.721*	− 0.002	− 0.047
2 The people in my life would be happier without me	0.711*	− 0.031	− 0.048
3 I think I am a burden on society	0.815*	0.023	0.010
4 I think my death would be a relief to the people in my life	0.868*	− 0.014	− 0.047
5 I think the people in my life wish they could be rid of me	0.827*	0.002	0.028
6 I think I make things worse for the people in my life	0.713*	0.023	0.184*
7 Other people care about me	0.039	0.712*	0.061
8 I feel like I belong	− 0.015	0.720*	− 0.013
9 These days, I rarely interact with people who care about me	0.446*	0.046	0.537*
10 These days, I am fortunate to have many caring and supportive friends	0.010	0.785*	− 0.060
11 These days, I feel disconnected from other people	0.536	− 0.025	0.537*
12 These days, I often feel like an outsider in social gatherings	0.462*	− 0.006	0.687*
13 These days, I feel that there are people I can turn to in times of need	− 0.022	0.847*	0.292*
14 These days, I am close to other people	0.029	0.829*	0.001
15 These days, I have at least one satisfying interaction every day	0.025	0.691*	− 0.061

ISSN: 2050-7283