. 2021 Apr 14;21:341. doi: 10.1186/s12913-021-06137-5

Table 4.

Influence of safety culture aspects on communication practices for points in time and professions

Nurses
	2-Way-Communication		Briefing		Feedback
Year	t₀ (2016)	t₁ (2017)	t₀ (2016)	t₁ (2017)	t₀ (2016)	t₁ (2017)
Variables (β)
Supervisor Expectations	–	–	0.23***	0.20*	0.22***	0.42***
Teamwork Within Units	–	–	0.33***	–	0.35***	–
Psychological Safety	0.21*	0.23*	0.24**	0.41***	0.33***	0.53***
Explained variance R²	0.05***	0.02*	0.23***	0.17***	0.34***	0.40***
N	309	228	208	227	309	228
Physicians
	2-Way-Communication		Briefing		Feedback
Year	t₀ (2016)	t₁ (2017)	t₀ (2016)	t₁ (2017)	t₀ (2016)	t₁ (2017)
Variables (β)
Supervisor Expectations	–	–	0.17	–	0.32***	0.25*
Teamwork Within Units	–	0.50***	0.31**	–	0.31**	0.52***
Psychological Safety	0.33**	–	0.40***	0.79***	0.26**	–
Explained variance R²	0.05**	0.20***	0.33***	0.44***	0.41***	0.48***
N	158	91	159	91	157	91

Note: Multiple regression analysis with calculated regression coefficient (β) and explained variance for all six models. Independent variables: Supervisor Expectations, Teamwork Within Units, Psychological Safety

Dependent variables: 2-Way-Communication, Briefing, Feedback

Significance level: *p < 0.05 **p < 0.01 ***p < 0.001