Table 4. Sample characteristics.

	Survey Data	Colombia Data*
Age in years; Mean (SD)	34.6 (11.0)	40.8
Gender; % (95% CI)
Male	43.7 (37.2-50.7)	48.2
Educational level; % (95%CI)		%
Less than high school	3.6 (1.6-7.0)	39.9
High school	43.7 (37.1-50.5)	34.7
Technical education	25.2 (19.7-31.5)	9.8
Professional	13.1 (8.9-18.2)	12.3
Post-graduate	14.4 (10.1-19.7)	3.3
Monthly income; COP/USD
Mean (Minimum-Maximum)	1,889,769/ 620 (0-21,000,000)/ (0-7,000)	908,526/ 301 (minimum monthly wage)
Health insurance system; % (95%CI)
Contributory	79.7 (73.8-84.8)	49.9
Subsidized	17.6 (12.8-23.2)	45.3
None	2.7 (1.0-5.8)	4.8
Occupation	% (95% CI)	%
Employed	53.2 (46.4%-59.9)	45.8
Independent	15.8 (11.2-21.2)
Unemployed	6.8 (3.8-10.9)	13.5
Student	16.7 (12.0-22.2)	18.1
Housewife	7.2 (4.2-11.4)	19.0
Retired	0.5 (0.0-2.5)	3.6
Which of the following problems do you acknowledge when using antibiotics? % (95%CI)
Resistance to me	30.3 (24.2-36.7)	N/A
Resistance to others	28.4 (22.5-34.8)	N/A
Minor adverse effects	21.2 ((16.0-27.1)	N/A
Serious adverse effects	20.8 (15.6-26.7)	N/A
No efficacy	19.4 (14.4-25.2)	N/A
Do not know	11.3 (7.4-16.2)	N/A
No risk	10.8 (7.1-15.7)	N/A
Self-reported mean values (minimum-maximum) of costs and time
Cost of visiting a doctor and getting antibiotics	38,257COP/ 12.75 USD (0-200,000)/ (0-67)	N/A
Cost of buying antibiotics in a pharmacy	21,258 COP/ 7USD (0-150,000) (0-50)	N/A
Days from the symptoms onset until seeing a doctor	3.3 (0-14)	N/A
Hours spent in the medical service	3.8 (0-24)	N/A
Hours spent in the pharmacy to get the antibiotics	0.5 (0-24)	N/A
N	222	N/A

SD: Standard deviation; CI: Confidence interval; COP: Colombian Pesos; USD: United States Dollars.

^*This information corresponds to the national statistics reported for Colombian population older than 14 years in 2018. Source: Departamento Administrativo Nacional de Estadísticas – DANE (www.dane.gov.co).