Table 2.

Associations among explanatory factors with stress related to information systems, time pressure, and cognitive failures (analysis of covariance^a).

Variable	SRISb		Time pressure		Cognitive failures
	F test (df)	P value	F test (df)	P value	F test (df)	P value
Age	15.47 (1)	<.001	30.31 (1)	<.001	4.96 (1)	.03
Gender	9.50 (1)	.003	20.57 (1)	<.001	0.21 (1)	.65
Sector	24.14 (3)	<.001	1.77 (3)	.23	1.36 (3)	.25
Implementation	118.43 (3)	<.001	3.05 (3)	.03	5.36 (3)	.001
Training	153.40 (1)	<.001	80.95 (1)	<.001	34.96 (1)	<.001
R2	0.165	N/Ac	0.033	N/A	0.015	N/A

^aDue to missing information in some variables, n varies between 3525 and 3546.

^bSRIS: stress related to information systems.

^cN/A: not applicable.