Intolerance of uncertainty predicts analogue posttraumatic stress following adverse life events

Figures & data

Table 1. Zero order correlations, means, and standard deviations.

Measure	1	2	3	4	5	6	7	M	(SD)	Range
1. Anxiety Sensitivity Index	–							25.47	7.90	16–68
2. Inhibitory IU	.54***							11.47	3.70	5–24
3. Prospective IU	.38***	.61***						19.94	5.41	7–34
4. Analogue PTS total	.22**	.29**	.16*					9.94	7.14	0–40
5. Analogue PTS intrusion	.28**	.27**	.19**	.86***				2.86	2.49	0–11
6. Analogue PTS avoidance	.11	.21*	.09	.92***	.71***			3.68	3.42	0–18
7. Analogue PTS hyperarousal	.21**	.29**	.16*	.82***	.56***	.61***	–	3.38	2.40	0–11

Note. IU = intolerance of uncertainty. PTS = posttraumatic stress.

*p < .05.**p < .01.***p < .001.

Table 2. Summary of regression analyses with inhibitory IU, prospective IU, and anxiety sensitivity predicting analogue posttraumatic stress total and subscale scores.

	R^2	F	β	t	sr^2
Dependent variable = analogue PTS total	.090	6.25***
Anxiety sensitivity			.09	1.08	.006
Inhibitory IU			.26	2.72**	.036
Prospective IU			−.03	−0.72	.001
Dependent variable = analogue PTS reexperiencing	.098	6.84**
Anxiety sensitivity			.19	2.27*	.024
Inhibitory IU			.16	1.65	.013
Prospective IU			.02	0.22	< .001
Dependent variable = analogue PTS avoidance	.046	3.02*
Anxiety sensitivity			< .001	< 0.01	< .001
Inhibitory IU			.24*	2.46*	.031
Prospective IU			−.05	−0.60	.002
Dependent variable = analogue PTS hyperarousal	.091	6.30***
Anxiety sensitivity			.08	0.91	.004
Inhibitory IU			.28	2.87*	.040
Prospective IU			−.04	−0.41	.001

Note. IU = intolerance of uncertainty. PTS = posttraumatic stress.

*p < .05.**p < .01.***p < .001.