Enteropathogenic Bacterial and Intestinal Parasitic Infections among Asymptomatic Food Handlers in Rangsit University Canteens, Central Thailand

Table 1

Sociodemographic data of food handlers in RSU student canteens ().

Demographic characteristics	Frequency	% of total
Types
Beverage	15	19.0
Food	48	60.8
Staff	16	20.3
Sex
Male	5	6.3
Female	74	93.7
Age (years)
≤20	1	1.3
21–30	12	15.2
31–40	13	16.5
41–50	27	34.2
50–60	15	19.0
>60	11	13.9
Religion
Buddhism	75	94.9
Islam	4	5.1
Ethnicity
Thai	73	92.4
Laos	2	2.5
Burmese	3	3.8
Cambodian	1	1.3
Education
Illiterate	21	26.6
Primary and secondary school	52	65.8
No answer	6	7.6
Responsibility
Owner	18	22.8
Cook	18	22.8
Seller	30	38.0
Owner and seller	9	11.4
Cook and seller	3	3.8
Prepare food/wash dishes and clean	1	1.3
Experience (years)
<1	6	7.6
1-5	43	54.4
6-10	11	13.9
>10	16	20.3
No answer	3	3.8
Incomes (Baht)
<9,000	26	32.9
9,001-16,000	42	53.2
16,000-30,000	6	7.6
>30,000	5	6.3