Table 1. Demographic information of respondents (N=90

Characteristics	Frequency (n)	Percentage (%)
Age (years)		20.8 ± 0.5*
20	17	18.9
21	70	77.8
22	3	3.3
Gender
Male	39	43.3
Female	51	56.7
Ethnicity
Kinh	82	91.1
Other	8	8.9
Profession
Nursing	12	13.3
Rehabilitation therapy	7	7.8
Medical	36	40
Pharmacy	35	38.9

Mean ± Standard Deviation