Interactive relationship between alexithymia, psychological distress and posttraumatic stress disorder symptomology across time

Figures & data

Table 1. Outcome measure descriptive statistics for overall sample.

	Pre-deployment		Post-deployment		Follow-up
	M (SD)	Range	M (SD)	Range	M (SD)	Range
TAS-20	44.09 (10.30)	20–82
K10	13.88 (5.00)	10–47	13.98 (5.20)	10–47	13.05 (5.17)	10–47
PCL-C	24.03 (5.43)	2–62	22.46 (8.30)	17–77	29.43 (12.66)	18–97
Re-exp.	6.94 (3.37)	5–25	6.35 (2.57)	5–24	7.1 (4.70)	5–25
Avoidance	9.13 (4.52)	6–30	8.77 (3.07)	6–25	3.93 (1.61)	2–10
Arousal	8.25 (3.88)	5–25	7.18 (3.23)	5–24	9.62 (4.00)	6–28

TAS-20 = Toronto Alexithymia Scale; K10 =  Kessler Psychological Distress Scale; PCL-C = Posttraumatic Stress Checklist – Civilian; Re-exp. = PTSD-related re-experiencing; Avoidance = PTSD-related avoidance; Arousal = PTSD-related arousal.

Table 2. Associations of alexithymia and psychological distress with PTSD.

Model		Unstandardised Coefficients		Standardised Coefficients	t	Sig.	95.0% Confidence Interval for B
		B	Std. Error	Beta			Lower Bound	Upper Bound
T1	TAS	.140	.012	.311	12.085	< .001	.117	.163
	K10	.313	.024	.338	13.122	< .001	.266	.360
T2	TAS	.172	.023	.172	5.95	<.001	.092	.182
	K10	1.227	.033	.739	36.683	< .001	1.161	1.292
T3	TAS	.153	.050	.140	3.086	.002	.056	.251
	K10	.756	.125	.296	6.056	< .001	.511	1.001

T1 = pre-deployment; T2 = post-deployment; T3 = follow-up.

Figure 1. Pre-deployment mediation models for PTSD symptomology.

Note: Unstandardised path coefficients and standard errors are shown beside each line. Significant direct and indirect paths are boldfaced. ***p < .001.

Figure 2. Post-Deployment Mediation Models for PTSD Symptomology.

Note: Unstandardised path coefficients and standard errors are shown beside each line. Significant direct and indirect paths are boldfaced. ***p < .001.

Figure 3. Follow-up mediation models for PTSD symptomology.

Note: Unstandardised path coefficients and standard errors are shown beside each line. Significant direct and indirect paths are boldfaced. ***p < .001.