Table 4

Organisational characteristics and Impact of Event Scale score: descriptive findings and findings from repeated measures analyses

					Multiple model for organisational characteristics
	IES score				Main effect		X time
	n	Then	Now	Mean	Estimate (SE)	p Value	Estimate (SE)	p Value
Support team/protocol
Support team available
No	682	17.51	8.89	13.20	–*	–	–	–
Yes	231 (=11 org.)	18.33	9.26	13.80	–	–	–	–
Protocol or guideline available
No	619	17.47	9.05	13.26	–*	–	–	–
Yes	294 (=14 org.)	18.24	8.86	13.55	–	–	–	–
Culture
Culture of support and respect
Low†	633	18.66	9.86	14.26	0		0
High	280	15.58	7.02	11.30	−3.98 (1.23)	0.0012	0.78 (0.96)	0.4167
Learning culture
Low†	675	18.09	9.43	13.76	–*	–	–	–
High	238	16.66	7.72	12.19	–	–	–	–
Blame culture
Low†	580	15.62	7.64	11.63	0		0
High	333	21.37	11.34	16.35	3.39 (1.16)	0.0036	−0.89 (0.91)	0.3257
Support received
Information concerning what happened
Not applicable	108	8.87	5.94	7.41	–		–
No	74	25.24	14.41	19.82	0		0
Partly	154	24.73	11.90	18.32	−1.93 (2.23)	0.3876	−0.47 (1.77)	0.7890
Yes	450	17.74	8.48	13.11	−6.16 (2.05)	0.0027	1.65 (1.62)	0.3088
Information concerning what to do
Not applicable	134	10.51	5.72	8.12	–		–
No	117	24.77	12.97	18.87	0		0
Partly	155	22.67	11.03	16.85	−2.10 (1.93)	0.2778	0.33 (1.53)	0.8296
Yes	380	17.88	8.84	13.36	−4.77 (1.77)	0.0072	2.42 (1.40)	0.0841
Extra guidance at the workplace
Not applicable	418	14.80	6.82	10.81	–		–
No	194	24.51	12.99	18.75	0		0
Partly	80	25.28	13.20	19.24	−1.52 (2.25)	0.4977	0.28 (1.79)	0.8761
Yes	93	17.78	10.00	13.89	−4.61 (2.22)	0.0387	2.06 (1.76)	0.2438

*A support team, protocol or guideline and learning culture were not statistical significant on psychological impact and/or recovery and therefore not included in the multiple model.
†Low is score ≤median; high is score >median.
IES, Impact of Event Scale; org, organisation.