Table 5. Results of hierarchical multilinear regression estimating the association between ICT usage in general practice and its predictors among responding GPs with their own practice (n = 99; 2017–2018)

	Model	R² change	β	Standard error	Critical value	Significance
1	Age	0.172	-0.415	0.013	-4.455	0.000
	Sex	0.026	-0.161	0.336	-1.685	0.096
	City size	0.006	0.080	0.105	0.812	0.419
	Practice size	0.138	0.372	0.000	4.064	0.000
	Burnout	0.003	0.055	0.050	0.603	0.548
		0.305		F (5,86)	7.556	0.000
2	Age	0.107	-0.328	0.013	-3.473	0.001
	Sex	0.008	-0.090	0.328	-0.970	0.335
	City size	0.006	0.079	0.100	0.841	0.403
	Practice size	0.052	0.227	0.000	2.357	0.021
	Burnout	0.000	0.021	0.047	0.243	0.809
	Digital skills	0.003	-0.058	0.185	-0.582	0.562
	Digital devices	0.010	0.099	0.158	1.014	0.314
	eHealth readiness	0.118	0.343	0.023	3.310	0.001
		0.098		F (3,83)	4.568	0.005