Table 2. Description of the products purchased in Mexican pharmacies and their end users, per residence of the person making the purchase

Total number of products purchased	USA resident (n=109) 157	Mexican resident (n=121) 154
Average number of medicines purchased per client ± SD	1.4 ± 0.74	1.3 ± 0.55
% products purchased with prescription	29	58
% antibiotics purchased with prescription	25	50
% antibiotics purchased without prescription that were self-prescribed	83	56
% antibiotics purchased without prescription recommended by professional	4	0
% antibiotics purchased without prescription recommended by pharmacy clerk	13	44
Characteristics of the end user of the products purchased	(n=153)	(n=157)
% older than 30 years of age	77	57
% diagnosed by physician	42	57
% uninsured	58	37
Note: When a respondent bought a medicine without a prescription they were asked who recommended the medicine, and based on the response the medicine was classified as self-prescribed (if the respondent decided on their own to purchase the medicine), recommended by a health professional (when recommended by a physician or dentist who did not extend a prescription) or recommended by a pharmacy clerk when the respondent was buying the medicine based on the advice of someone working in a pharmacy.