Table 3.

Reflective constructs assessment.

Construct/measure		Factor loadinga	Construct reliability	Average variance extracted	Maximum shared squared variance	Average shared square variance
Perceived susceptibility to chronic diseases			0.916	0.646	0.092	0.042
	I have a higher likelihood of getting chronic diseases	0.873
	There is a great chance that I will be exposed to a chronic disease	0.808
	I would say that I am the type of person who is likely to get chronic diseases	0.891
	There is a person with chronic disease among my family members	0.759
	I have a strong possibility of attack or deterioration of chronic disease due to improper daily habits (drinking, smoking, dietary habit, lack of exercise, etc)	0.707
	It is most likely that I will catch chronic diseases in my lifetime	0.771
Perceived severity of chronic diseases			0.900	0.694	0.022	0.011
	I am afraid of facing attack or deterioration of chronic diseases	0.756
	If I face attack or deterioration of chronic disease, I will have difficulty with my work life (or domestic affairs)	0.807
	If I face attack or deterioration of chronic disease, it will hinder my personal relationships	0.896
	If I face attack or deterioration of chronic disease, I will be long haunted by resultant problems	0.865
Health consciousness			0.925	0.608	0.228	0.140
	I have the impression that I sacrifice a lot for my health	0.791
	I consider myself very health conscious	0.837
	I think that I take health into account a lot in my life	0.876
	I think it is important to know well how to stay healthy	0.883
	My health is so valuable to me that I am prepared to sacrifice many things for it	0.766
	I have the impression that other people pay more attention to their health than I do	0.767
	I do not continually ask myself whether something is good for me	0.665
	I often dwell on my health	0.610
Perceived ease of Internet use			0.905	0.760	0.336	0.221
	My interaction with the Internet for health information is clear and understandable	0.857
	I find the Internet for health information to be flexible to interact with	0.880
	It is easy for me to become skillful at using the Internet for health information	0.878
Perceived usefulness of the Internet			0.928	0.811	0.344	0.218
	Using the Internet is useful in managing my daily health	0.873
	Using the Internet for health information is advantageous in better managing my health	0.937
	Using the Internet for health information is beneficial to me	0.890
Attitude toward health-related Internet use			0.933	0.777	0.344	0.303
	Using the Internet for health information and health management would be a good idea	0.894
	Using the Internet for health information and health management would be a wise idea	0.872
	I like the idea of using the Internet for health information and health management	0.895
	Using the Internet for health information and health management would be a pleasant experience	0.865

^aThe total variance explained by factors=63.713%. All factor loadings were more than 0.5 and significant (P<.05).