Table 3. Correlations among main variables.

	Perception of patient safety culture	Safety control	Patient safety competency
The number of safety education briefings attended	0.20*	0.10	0.14
Perception of patient safety culture	1	0.51**	0.51***
Safety control		1	0.41***

Notes:

^*p < 0.05.

^**p < 0.01.

^***p < 0.001.