Table 3.

Variables with significant differences between participants and dropouts

	Participants		Drop outs
	n = 242	%/CI	n = 149	%/CI	p
Age, mean and 95% CIa	42.1	40.1 - 44.1	34.5	32.1 - 36.5	<0.001
LOT-Rb	16.3	15.7 - 16.9	14.3	13.4 - 15.1	<0.001
Primary/secondary/high school	136	56.2	96	63.6
College or university	99	40.9	43	28.5	0.031
Living alone	99	40.9	89	58.9	<0.001
Out of work before injury	36	14.9	38	25.5	0.009
ISSc ≥ 9	154	63.9	75	50.3	0.080
Injured by physical assault	7	2.9	23	15.2	<0.001
Intensive care patient	103	42.6	47	31.1	0.023
Anxiety baseline	5.6	4.9 - 6.2	7.3	6.4 - 8.2	<0.001
Total score IESd, mean and 95% CI	20.9	18.7 - 23.2	28.3	25.2 - 31.5	<0.001
HADSe anxiety, mean and 95% CI	5.6	5.0 - 6.2	7.5	6.6 - 8.3	<0.001
HADS depression, mean and 95% CI	4.0	3.5 - 4.5	5.3	4.5 - 6.1	0.006

^aCI: confidence interval, ^bLOT-R: Life orientation test revised, baseline ^cISS: Injury severity score,^dIES: Impact of event scale, baseline ^eHADS: Hospital anxiety and depression scale, baseline