Workflow interruption and nurses’ mental workload in electronic health record tasks: An observational study

BMC Nursing

Table 4 Correlations of nurses’ mental workload, performance, and potential influencing variables (n = 145)

Variable		1	2	3	4	5	6	7	8	9	10	11	12
1	Mental workload	1
2	Task performance	0.386^**	1
3	Professional title	0.089	-0.208^*	1
4	Task time	0.243^**	0.306^**	-0.113	1
5	No. of task switching	0.148	0.180^*	-0.186^*	0.687^**	1
6	No. of multitasking	0.086	0.181^*	-0.013	0.419^**	0.602^**	1
7	Task difficulty	0.339^**	-0.030	0.291^**	-0.022	-0.044	0.052	1
8	System usability	-0.278^**	-0.069	-0.105	-0.004	-0.042	-0.034	-0.397^**	1
9	Professional competency	-0.050	-0.151	0.294^**	-0.054	-0.017	-0.049	0.168^*	0.214^**	1
10	Self-efficacy	-0.127	-0.046	0.199^*	-0.096	-0.004	0.017	0.084	0.214^**	0.669^**	1
11	Positive affect	-0.046	-0.082	0.076	-0.039	0.162	0.080	0.146	-0.004	0.219^**	0.228^**	1
12	Negative affect	0.458^**	0.297^**	-0.100	0.136	0.074	0.024	0.120	-0.081	-0.065	-0.159	0.131	1

ISSN: 1472-6955