Since COVID-19 has emerged in 2019, students were one of groups that were hardly affected. There were many clusters of infection in schools. To evaluate level of knowledge and behaviour regarding hygiene and to study factors influencing hygiene behaviour. This study is predictive correlational research that studies factors affecting hygiene practice which study a total of 215 high school students, grade 10-12.  76.7% of participants were females. Majority of participants are studying in grade 12 (n=85, 39.5%) and most participants are studying in the Math-Science program (n=165, 76.7%). Majority of participants parents work as a freelancer (m=69, 32.1%). The biggest monthly household income group was 20,000-40,000 BAHT (n=72, 33.5%). Most participants reported that they received news and knowledge regarding hygiene and infectious prevention from social media and Youtube (n=142, 66.0%). 82.8% (n=178) of participants indicated that they didnt have any congenital disease.  Most participants showed a moderate level of Hygiene and Infectious Prevention Knowledge (M=10.65) while hygiene practice was at a good level (M=71.12, SD=8.95). There were no predictive factors for hygiene practice among participants. Participants showed a moderate level of hygiene knowledge while hygiene practice was at a good level.

hygiene practice

hygiene knowledge