Table 2.

Direct influence of user characteristic antecedents on outcomes (N=86).

Characteristic		Attitude change		Formed attitude		Intention to use
		Spearman rho	P value	Spearman rho	P value	Spearman rho	P value
User expertise
	Online social networks	−0.104	.34	0.112	.30	0.164	.13
	Electronic medical records	−0.060	.58	−0.004	.97	0.076	.49
	Communities of practice (CoPs)	−0.215	.047	0.165	.13	0.362	.001
	Virtual communities of practice (VCoPs)	−0.222	.04	0.068	.53	0.279	.009
Perceived usefulness		0.022	.84	0.349	.001	0.512	.001
Relevance to job		0.000	.99	0.385	.001	0.428	.001