Table 4.

Partial least squares effect size analysis.

Dependent and independent constructs		R 2		∆R 2	ƒ2	Effect size
		In	Out
Compliance
	Patient-physician concordance	0.347	0.237	0.110	0.168	Medium
	Perceived information asymmetry	0.347	0.327	0.020	0.020	Small
Patient-physician concordance
	Internet health information quality	0.519	0.504	0.015	0.031	Small
	Physician quality	0.519	0.115	0.404	0.404	Large
Perceived information asymmetry
	Internet health information quality	0.645	0.645	0.000	0.000	NS
	Physician quality	0.645	0.035	0.610	0.610	Large