Psychometric properties of the Persian version of the suicidal intrusions attributes scale (SINAS) in patients with suicidal attempt

Table 2 Descriptive information for study variables (n = 304)

Measures	Mean	SD	Skewness	Kurtosis	ω	α	MIC
SINAS	58.01	21.68	− 0.51	0.01	0.86	0.85	0.38
BDI-II	35.09	12.83	− 0.37	− 0.31	0.87	0.87	0.28
BSSI	20.42	9.86	− 0.11	− 0.36	0.92	0.92	0.41
SRB-R	11.74	4.81	− 0.45	− 0.55	0.85	0.85	0.24
BHS	12.68	5.81	0.99	5.43	0.62	0.60	0.21

Note. SINAS = Suicidal Intrusions Attributes Scale; BDI-II = Beck Depression Inventory-II; BSSI = Beck Scale for Suicide Ideation; SBQ-R = Suicide Behaviors Questionnaire-Revised; BHS = Beck Hopelessness Scale; SD = standard deviation; Skew = skewness; Kurt = kurtosis; α = Cronbach’s alpha coefficient; ω = McDonald’s Omega; MIC = mean inter-item correlation