The objectives of this research are ; 1) to study the knowledge about healthy food;2) to study the attitude towards consumption of healthy food;3) to study the relationship between the individual of personal factor and health factor and 4) to study relationship between knowledge and attitude towards of healthy food of high school teacher at Nonthaburi that influence their behaviors. Questionnaires were used as a tool for collecting the data and the data was analyzed using percentage mean standard deviation t-test f-test and Pearson correlation (r) Most of the responders of this research are female. Age group is between 51-60 years old. Height group is between 151-160 centimeters. Weight group is between 51-60 kilograms. The majority of their salaries are between 28001-33000 Baht. The level of personal sickness is low. The level of understanding of how to consume healthy food is high. The attitude of consuming healthy food is high level. But the behavior of consuming healthy food is mostly at moderate level According to the study of relationship between the individual of personal factor and health care factor. The results are: there is relationship between sex and behavior of consuming healthy food statistically significant at the .05 level. Moreover the study of relationship between the knowledge and attitude of consuming healthy food of high school teacher that impact to their behavior show knowledge and attitude have relationship to behavior to consume healthy food statistically significant at the .05 level

The objectives of this research were to study the snack consumption behavior of vocational education students certificates level as relate to sex age education level income knowledge of snacks and to study relationship of different levels of knowledge of snacks to sex age and education level of vocational education students certificate level. Sample of 267 home economics students ages 16-18 years home in Kanchanaburi Suphanburi and Nakhonphathom were randomly selected by stratified random sampling. All data were colleted by questioners and analyzed through percentage mean standard education chi – square T – test and F – test. The results of this study indicated that the snack consumption behavior of vocational education certificate level studied in the western Region Vocational Education Institutes had medium level of knowledge about snack. Sex age education level and different income were not significantly related to snack consumption behavior. Different sex and age did not contribute to knowledge levels about snacks.

The purposes of this research were : 1) To study the individual factors 2) To study the behavior on Thai dessert consumption 3) To study the relationship between individual factors and Thai dessert consumption in Samaut Songkhram Technical College The samples were 239 vocational certificate Students in Smaut Songkhram Technical College. The Instruments were questionnaire and a Test The statistics were the frequency percentage and the Chi-squared test. Results found that : 1) the students mostly were female studying in Accounting whose their parents’income not over 10000 baht per month have knowledge of Thai dessert at the good level. 2) The sample mostly consume boiled Thai dessert 1-3 times a week because of the delicious taste The each payment is up to 20-41 baht because the price was not expensive the preference Banana Leaves packaging and perception of news about Thai dessert through internet. 3) The result on studying factors found that the individual factors such as sex was most related to the preference. Educational level was related to the preference of packaging. Subject type was related to the favorite on Thai dessert. The preference in consuming Thai dessert in because of consumption the payment packaging and perception of news for the parents’income was related to the payment with statistically significant at 0.05 level.