Does rumination mediate the relationship between emotion regulation ability and posttraumatic stress disorder?

Figures & data

Table 1 Correlations between variables of interest (Spearman's Rho)

	MSCEIT-ER	MSCEIT-intra	MSCEIT-inter	RIQrum	PDS 2w	PDS 1m	PDS 3m	PDS 6m
MSCEIT-ER	–	0.89***	0.88***	−0.25*	−0.21*	−0.17	−0.28*	−0.27*
MSCEIT-intra		–	0.58***	−0.21*	−0.25*	−0.21^+	−0.31**	−0.25*
MSCEIT-inter			–	−0.22*	−0.13	−0.09	−0.16	−0.23*
RIQrum				–	0.53***	0.56***	0.52***	0.53***
PDS 2w					–	0.83***	0.67***	0.59***
PDS 1m						–	0.84***	0.68***
PDS 3m							–	0.71***

MSCEIT-ER=MSCEIT emotion regulation score; MSCEIT-intra=MSCEIT intrapersonal emotion regulation subscore; MSCEIT-inter=MSCEIT interpersonal emotion regulation subscore; RIQrum=Responses to Intrusions Questionnaire—rumination subscale; PDS=Posttraumatic Diagnostic Scale; 2w=2 weeks; 1m=1 month; 3m=3 months; 6m=6 months.

***p<0.001; **p<0.01; *p<0.05; ⁺ p<0.10.

Table 2 Results of mediation analyses

Independent		Dependent	Effect of IV on M (a)		Effect of M on DV (b)		Direct effect (c’)		Indirect effect (a×b)
variable (IV)	Mediator (M)	variable (DV)	B	SE(B)	B	SE(B)	B	SE(B)	B	SE(B)	95% CI
MSCEIT-ER	RIQ rum	PDS 2w	−0.11**	0.04	1.72***	0.22	0.02	0.08	−0.18**	0.07	[−0.33; −0.06]
MSCEIT-ER	RIQ rum	PDS 3m	−0.09*	0.03	1.74***	0.22	−0.001	0.08	−0.16*	0.07	[−0.30; −0.05]
MSCEIT-ER	RIQ rum	PDS 6m	−0.11**	0.04	0.93***	0.19	−0.05	0.07	−0.10*	0.04	[−0.19; −0.04]
RIQ rum	MSCEIT-ER	PDS 2w	−0.87**	0.29	0.02	0.08	1.72***	0.22	−0.02	0.08	[−0.22; 0.11]
RIQ rum	MSCEIT-ER	PDS 3m	−0.84**	0.29	−0.09	0.07	1.47***	0.21	0.08	0.09	[−0.05; 0.32]
RIQ rum	MSCEIT-ER	PDS 6m	−0.88**	0.29	−0.05	0.07	0.93***	0.19	0.05	0.08	[−0.10; 0.22]

Path/regression coefficients are unstandardized.

PDS=Posttraumatic Diagnostic Scale; 2w=2 weeks; 1m=1 month; 3m=3 months; 6m=6 months; RIQ rum=Responses to Intrusions Questionnaire—rumination subscale.

*p<0.05; **p<0.01; ***p<0.001.