Table 1.

Areas covered by the questionnaire.

Part	Aims
Demography	Sociodemographic
	Economic
Extent of buying products from the Internet	Frequency of buying products
	Sources of products
	Details of online retailers/pharmacies
Types of the products purchased	Medicinal products
	Non-medicinal products (herbal, supplements, and cosmetics)
	Classes of products (image improvement or performance enhancement)
Awareness of counterfeit products sold over the Internet	Knowledge on counterfeit products
	Sources of knowledge
Experience with counterfeit lifestyle products	Experience with adverse effects
	Types of adverse effects
	Degree of harm