This research was aimed to study 1) The knowledge and dietary habits of Faculty of Medicine Vajira Hospital Navamindradhiraj University personnels 2) body mass index of personnels 3) relationship between dietary habits and body mass index. The sample used in this study were personnels of Faculty of Medicine Vajira Hospital Navamindradhiraj University. The survey was conducted on 297 samples who were non-medical and nurses personnels. Simple Random sampling method was used. The tools were foods and nutrition knowledge dietary habits and nutritional status questionnaire. Data were analyzed by using frequency percentile mean and standard deviation. To study relationship analysis correlation coefficient analysis was used. The study revealed that 66.00% of Faculty of Medicine Vajira Hospital Navamindradhiraj University personnels had very good nutrition knowledge 13.10% 12.10% 6.70% and 2.00% had good moderate passing and not passing knowledge respectively. The food consuming dietary habit was in good 52.50% 38.00% in moderate 7.40% in very good and 2.00% was in fair in orderly. 50.20% of the group had normal nutritional status while 40.70% and 9.10% were over nutrition and low nutritional status respectively. The study of the relationship between nutrition knowledge and consumption behavior revealed that there was a significant relationship between the two variables at significant level of 0.05

The purposes of the study were to study 1) the demographic characteristics 2) the level of the marketing mix factors that affect food consumption behaviors 3) the level of knowledge about nutrition 4) the food consumption behaviors and 5) the relationship between factors that affect food consumption behaviors and food consumption behaviors. The subjects were 159 non – commissioned officers under royal aide de camp department who worked for a year in 2015. To collect data the research instrument wasquestionnaire. The statistics used to analyze the data were frequency percentage mean standard deviation and chi-square. The data analyzed by SPSS. The research found that 1) the most respondents were mostly female age range in 31 - 40 years married graduated Bachelors degree Sergeant major 1st class/Chief petty officer 1st class/Flight sergeant 1st class the average income of between 20001 - 30000 baht per monththere were members of the family 3 - 4 people and domiciled in Bangkok and Suburbs 2) thequality of the food’s average score were the highest score3) the respondents generally haveknowledge of nutrition in the very good level 4) the respondents mostly eat fresh food buyingfood 3 - 4 times per week and 5 - 6 times per week eating 3 meals a day buying fooddaily buying food in the evening the average expense is between 51 - 100 baht buying foodfrom markets and restaurants regardless of their own to buy food deciding to buy food for goodhealth and 5) the number of family members related to the average expense per time in buyingfood the source of buying food the person who influences on buying food and the factorsaffecting the decision to buy food. While the level of education correlated with place of buying food.In addition the rank correlated with the average in buying food at a time. Besides average monthly income is related to the day to buy. Moreover the hometown is associated with the number of meals eaten per day. Similary the status is related to the average expense per time in buying food. The food quality related to the person who influences on buying food and the deciding factor in buying food. And the knowledge about nutrition related to the period to buy food and place of buying food. At the Statistical significance level of .05.

The purpose of this study was studied the food consumption behavior and compared with food consumption behavior of monks in temples at Dusit district Bangkok by classified of age duration of lent worldly education level and nutritional status. The sample size was the monks of 389 people in temples at Dusit district. This research technique was the survey research by sampling that used Taro Yamane table. Researcher was made to analyze the data by finding of percentage mean standard deviation(SD)compared of the difference of mean using F-test and tested the difference by pair samples using Fisher’s least-significant difference method(LSD) that the statistical significance level was 0.05. The results were found: 1) the food consumption behavior of monks generally had food consumption behavior in moderate level. 2) The comparison of food consumption behavior was classified behavior as age duration of lent worldly education level and nutritional status that found the monks in temples at Dusit district about the differential age monks had the difference of consumption behavior the differential lent duration of monks had the difference of food consumption behavior the difference of worldly education level of monks had the difference of food consumption behavior while the difference of nutritional status of monks had not the difference of consumption behavior.

The objectives of this research were to; 1) the personal factors. 2) the behaviors of Fast Food Consumption 3) to study the correlation between personal factors Knowledge and the behaviors of Fast Food consumption of High School Student At Srinagarindra The Princess Mother School Phuket. The population of this research consisted of 965 High School Student At Srinagarindra The Princess Mother School Phuket. Amount of sample size was 276 students which were selected by stratified random sampling; questionnaires and tests were used to collected data. Data were gathered though statistically analyzed by frequency percentage and Chi-square test. It was found that most of the sample groups were female (65.5%) aged 16-17 years old (74.3 %) who were studying upper secondary school (38.1%) Buddhism (83.3%) average earning of 50 – 100 baht (52.9%) daily and the average monthly income of family 10001 – 20000 baht (35.9%). Knowledge of fast food at the moderate level (57.6%). Most of sample groups like Full Meal Fast Food (83.0%) that cause of taste of foods (46.4%) The most favorite menu was fries chicken(33.0%) about 91 persons spent about 101 -200 baht per time. The most of sample groups choose KFC (60.1%). Channel is Facebook (49.6%) and variety of price (35.9%). The result of behavior in fast food consumption of Upper Secondary School It was also found; the consumption expenditure per time correlated with gender level of education correlated with type of food menus and prices. The amount average daily earning correlated with channel of news. Average income family monthly correlated with reason to choose and the consumption expenditure per time. Knowledge of fast food correlated with place and channel of news. Knowledge of fast food was found at 0.05 significant had relations to places and channel of news (p<0.05).

The objectives of this study are (1) to research the behavior of breakfast consumption of Rajinibon senior high school’s students (2) to study their knowledge of breakfast consumption (3) to examine the relationship between their behavior of breakfast consumption and their knowledge of breakfast. The number of samples in this study is 240 Rajinibon senior high school’s students all of whom have been chosen by the method of stratified random of sampling. The tools studied in the research have been divided into two types namely 1) the questionnaire about the behavior of breakfast consumption of Rajinibon senior high school’s students. 2) the research about the student’s breakfast and statistics used analyze its data are frequency value the percentage the average value the standard deviation and the formula of finding the Pearson Chi-Square’s alpha coefficient. The research shows that most students have acknowledged the advantages of having breakfast at moderate level (57.50%) while 52.50% of students have gained its advantages at good level. It can be concluded that there is no relationship in statistical significance between the knowledge of breakfast consumption and the behavior of breakfast consumption of Rajinibon senior high school’s students when tested by the Pearson Chi-Square .