The research aimed to study the food knowledge study the food consumption behavior and study the relation between the food knowledge and food consumption behavior correlation of the overweight of undergraduate students Home Economics Technology Rajamanggala University of Technology Phra nakhon. The samples of this study were 171 overweight of undergraduate students Bacheloes Degree. The Purposive Sampling were used. A tests and questionnaires were used to gather the data. The data were analyzed using frequencypercentagemeanstandard deviation and Pearson Product Moment Correlation. The study found that : 1. 60.3 percent of the sample had the knowledge of food at good level. 2. The sample had food consumption behaveior at moderate level. 3. Knowledge of food and food consumption behavior were not related to the overweight.

The research aimed to : Study the risk personal data leading to diabetes mellitus. Study knowledge about diabetes mellitus and Study food consumption behavior of Ramamangala University of Teachnology Phranakorn officails. Tests and questionnaires were used to gathe the data from Ramamangala University of Technology Phranakorn officials academic year 2009 and 217 samples were used following Purposive sampling. The data were analyzed by using percentile mean and standard deviation. The study found that 1. 55.8% of the sample were female and 23.5% were 36-40 years old 42.47 were the mean age of the samples. The Mass Body Index 46.5% of the sample were normal and 21.2% had height mass body fat index. In the next 12 years 33.2% had of the sample or 1 in 12 person were at risk of having diabetes mellitus. They were supposed to exercise frequently keep normal body weights and check blood pressures. 2. 24.3% of the sample had diabetes mellitus knowledge of minimum passing standard. 13.14 points was mean of the sample and 4.72 was the standard deviation. 3. The sample group food consumpion behavior was considered at risk leading to diabetes mellitus at moderate level. 3.31 was the standard deviation.

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.