The purposes of this research were : 1) to study the personal factors 2) to study marketing mix factors 3) to study consumptions behavior 4) to study the relationship between personal factors and consumption behavior and 5) to study the relationship between marketing mix factors and consumption behavior. The samples have been done with 400 consumers visited McDonald’s restaurant in Pathumwan District Bangkok. The instrument was used the statistical questionnaire and in data analysis tools were used frequency value percentage value mean value standard deviation value and Person Chi-Square. Statistical analysis calculated by computer program. The results of consumers in McDonald’s restaurants in Pathumwan District Bangkok shown that : 1) most of the consumers are females and younger than 20 years old with monthly average income less than 10000 baht and most of consumers are students and education levels is lower than Bachelor degree. 2) the marketing mix factors result of consumer in overall have satisfaction a high level and when considering each side found that samples group provide the highest level satisfaction is products and samples group there are 3 levels at the high level and sort by descending from the average is product pricing and promotion. 3) consumption behavior found that the type of foods were sold in the restaurant the consumers prefer to eat the most popular interval Burger which consumers using more than that time 15.00-20.00 hrs frequency of in-store service and the average of 1-2 per week a time popular select access inside a department store because the staff are willing to provide services like interior decorating styles and inside is clean and spacious the number of seats is sufficient. 4) the relationship between the personal factors and consumption behavior found that age average income per month and highest level of education are statistically significant at the .05 level and 5) the relationship between marketing mix factors and consumption behavior found that product price and promotion were relating but distribution channel was not relating with consumption behavior and the relationship between all was statistically significant at the .05 level.

1. To study the personal factors of Diploma students in Ubon Ratchathani Vocational College 2. To study the knowledge about healthy food consumption of Diploma students in Ubon Ratchathani Vocational College. To study the healthy food consumption of Diploma students in Ubon Ratchathani Vocational College 4. To study the relationship between personal factors and healthy food consumption of Diploma students in Ubon Ratchathani Vocational College 5.To study the relationship between knowledge about healthy food and healthy food consumption of Diploma students in Ubon Ratchathani Vocational College amount 313 students.The instrument used in the research is the questionnaire. The statistics used for data analysis is frequency percentage and chi-square values and sampling by method of landscape The results revealed that. 1) Most of the students are female aged between 18-20 years they are studying in the first year Department of Business Administration. They live in a dormitory Ubon Ratchathani Province they get money from their parents 51-100 baht and the index is in the normal range. 2) Most students have knowledge about healthy food. The index is in good. 3) The objective of consuming healthy food is for health. The types of health food that are most commonly consumed are fruits and fruit products. Frequency of consuming healthy food 3-4 times per week. The average cost of consuming healthy food is 51-100 baht per time and receiving health food news from YouTube. Where to buy healthy food is the fresh market / night market. The most popular healthy food items are fruit salads and soy milk. 4) The relationship between personal factors and healthy food that gender is correlated with the frequency of consumption of healthy food. Field of study housing characteristics and money received from parents per day correlated with the cost of consuming healthy food on average per time and the statistical significance is at the level of .05 5)The relationship between knowledge of healthy food and healthy food consumption found that there is a relationship between the frequency of healthy food and the cost of healthy food consumption per time and the statistical significance is at the level of .05

The purposes of this research were 1) to study the individual factors of Vocational Certificate students in Kanchanaburi Vocational College 2) to study of the breakfast meal knowledge of the students 3) to study their category of breakfast consumption 4) to study the relationship between the students’ individual factors and category breakfast consumption and 5) to study the relationship between the breakfast knowledge and breakfast consumption of the students. The target group was 285 Vocational Certificate students. The employed research instrument was a questionnaire. The statistical methods used in analyzing the data were frequency percentage mean standard deviation and chi-square. Stratified random sampling was used in this research. The results show the following: 1) regarding the individual factors of the students the main target group is female students aged 16 years in Vocational Certificate Year 1 who study in the Business Computer department; the parents of the main target group are employees; the students receive 50-100 baht per day from their parents; and their Body Mass Index is normal; 2) the students’ knowledge of breakfast consumption was at a very high level; 3) the reasons for their choice of breakfast are convenience and quickness; they prefer one-dish meals; the cost ranges from 31 to 40 baht; meals with little taste were consumed; the place of purchasing is the college canteen; positive influences were the cleanliness of sellers freshness of food and use of ceramic plates; 4) the individual factors had a strong correlation with category breakfast consumption with a significance at the 0.05 level; and 5) the students’ knowledge about breakfast category correlated with their consumption in relation to daily consumption the consumption of blade loin food with crispy mixed or vegetable in a main dish consumption of fast food meal for breakfast drinking a substitute for the meal and consuming snacks for breakfast with significance at the 0.5 level.

The aim of this paper is to study 1) personal factors 2) food consumption style and 3 ) correlation between personal factors and food consumption style of students at Rajamangala University of Technology Phra Nakhon. This experiment was constructed with 3 8 5 participants who are undergraduate students at Rajamangala University of Technology Phra Nakhon using questionnaires. The participants were stratified random sampling. The result was analyzed using statistics in frequency percentage and chi-square value. The result demonstrated that 1) the major personal factors were 20 year old female sophomore and studied business management. The daily income was less than 2 0 0 baht per day. 2 ) according to the study of food consumption style of students at Rajamangala University of Technology Phra Nakhon it revealed that the main reason to choose lunch was an inexpensive price. Most of participants preferred one dish meals such as stir-fried basil soup fried pork and noodles. On the other hand they chose sausage for fast food and papaya salad for snack. Most of the participants prefered drinking water. The average price was about 51-100 baht each meal. The participants often had lunch at a cafeteria or restaurant in the university. Moreover friends got involved in making decisions regarding meal choices. The main ingredients in the chosen foods were meat and products from meat. 3 ) the correlation between personal factors and food consumption style of students at Rajamangala University of Technology Phra Nakhon proved that the level of education related to frequent chosen lunch menus. The faculty also involved in frequent chosen lunch menus the cost and the location. The daily income correlated to frequent chosen lunch menus and the cost of meal which was statistically significant (P-Value?0.05)

The purposes of this research are to investigate 1) personal factors contributing to the longevity of elderly 2) the dietary behavior of long-living elderly and 3) the relationship between personal factors such as:gender age BMI and dietary behavior. The samples are 29 of long-living elderly with ages more than 80 years old living in Tambon Tha Phi Liang Muang district Suphanburi province. The long-living elderly must be able to answer the questions. The statistics used to analyze data in this research are frequency percentage and Chi-Square (χ2). The data were analyzed using statistical tools. As for thier dietary behavior it was found that most long-living elderly usually have five food groups:eggs UHT milk paddy morning glory cabbage watermelon papaya and vegetable oils. They purchased these five groups of food for consumption. Boiling was the main method of cooking. They usually stored food in the refrigerator to keep them fresh. The relationship between personal factors and dietary behavior could be classified into 5 areas : types of food frequency of consumption sources of food methods of cooking and methods of food preservation. The finding found that gender age and BMI were related with food consumption. However cooking (boiling) was not related with statistically significant level at .05.