Assessing safety climate in prehospital settings: testing psychometric properties of a common structural model in a cross-sectional and prospective study

Table 7 Wilk’s Lambda

Employee characteristics	HEMS 12	HEMS 16	Ground 16	Total 16
Geographic location	.123	.048*	.001***	.001***
Competence group	.001***	.009**	.001***	.001***
Work hours	.005**	.749	.001***	.001***
Seniority in position	.814	.064	.108	.251
Seniority prehospital	.750	.578	.001***	.001***

* p < 0.05; ** p < 0.01; *** p < 0.001. HEMS 12 = HEMS sample 2012, HEMS 16 = HEMS sample 2016, Ground 16 = ground ambulance sample 2016, Total 16 = combined HEMS and ground ambulance 2016 samples

ISSN: 1472-6963