Table 2.

Results comparing data from 2018, 2020 and 2021 (t-test)

Outcome	n	Mean (SD)	P value 2018	P value 2020
Ex 2018	172	2.3 (0.5)	–	<0.001
Ex 2020	103	2.7 (0.5)	<0.001	–
Ex 2021 (1/2)*	369	2.6 (0.6)	<0.001	ns
Ex 2021	551	2.5 (0.5)	<0.001	0.04
Dis 2018	172	2.3 (0.3)	–	0.005
Dis 2020	103	2.1 (0.5)	0.005	–
Dis 2021 (1/2)*	369	2.1 (0.6)	<0.001	ns
Dis 2021	551	2.1 (0.6)	<0.001	ns
SC 2018	172	59 (19)	–	0.015
SC 2020	103	54 (18)	0.015	–
SC 2021 (1/2)*	387	55 (19)	0.017	ns
SC 2021	574	59 (20)	ns	0.003
TC 2018	172	68 (18)	–	ns
TC 2020	103	64 (16)	ns	–
TC 2021 (1/2)*	385	68 (17)	ns	0.04
TC 2021	571	70 (17)	ns	<0.001

*The 2021 data including only the two larger hospitals (1/2).

Dis, disengagement; Ex, exhaustion; SC, safety climate; TC, teamwork climate.