Table 2.

Group differences in individual items of screener questionnaire and endorsing six or more items in total.

		Travel phobiaa		PTSDa		Fisher's exact test
		n	%	n	%
Daily transport difficulties	Absent	2	10	4	20	.661
	Present	18	90	16	80
Meets cutoff of six symptoms on TSQb	Absent	7	35	0	0	.008**
	Present	13	65	20	100
Intrusive thoughts	Absent	5	25	1	5	.182
	Present	15	75	19	95
Upsetting dreams	Absent	11	55	10	50	1.00
	Present	9	45	10	50
Feels happening again	Absent	9	45	5	25	.320
	Present	11	55	15	75
Upset by reminders	Absent	5	25	0	0	.047*
	Present	15	75	20	100
Bodily reactions	Absent	6	30	2	10	.235
	Present	14	70	18	90
Any re-experiencing symptom	Absent	2	10	0	0	.487
	Present	18	90	20	100
Sleep difficulties	Absent	9	45	3	15	.082
	Present	11	55	17	85
Anger problems	Absent	14	70	4	20	.004**
	Present	6	30	16	80
Concentration problems	Absent	8	40	3	15	.155
	Present	12	60	17	85
Heightened awareness	Absent	6	30	3	15	.451
	Present	14	70	17	85
Startle reaction	Absent	1	5	2	10	1.00
	Present	19	95	18	90
At least two hyper-arousal symptoms	Absent	2	10	0	0	.487
	Present	18	90	20	100
Daily transport difficulties	Absent	2	10	4	20	.661
	Present	18	90	16	80

^an = 20 for each group.

^bTSQ: Trauma Screener Questionnaire (Brewin et al., 2002).

^*p < .05.

^**p < .01.