The purposes of this research were 1 ) to study the consumption behavior of local food in Koh Samui. 2 ) To study the levels of factors affecting the intention of local food consumption. 3) To compare personal factors to the intention of local food consumption and 4 ) To find out the correlation between local food consumption factors and the consumption intention. This study was conducted by mixed methods research.The sample consisted of a total of 400 Thai consumers who used to eat local food in Koh Samui and were selected by accidental sampling method. The results showed that 1) the consumption behavior of local food was mostly eaten alone. The top 3 local savory dishes in Koh Samui that the consumer used to eat were as follows: Moo Ko Yum Sarai Kor and Wai Kua. The sweet dishes were Kalamae Khanom Ko and Tho Won. The types of fruit were Lukfai Ka Luk Tho and Luk Kee Kwang. Popularly dined in Koh Samui at famous restaurants. Eat local food because of its unique taste. Family or relatives were influential in choosing the type of food. Local food was usually eaten at lunch and purchasing ingredients from the local community to prepare local dishes. 2) Factors affecting the Intention in term of food identity food quality attitude and convenience of finding local food were found to affect the intention to consume local food at the highest level. 3) Personal factors in terms of age average monthly income whether they were Koh Samui residents or not and whether they had different accommodation in Koh Samui were found to have a difference in their intention to consume local food at the statistically significant level of .05 and 4) factors of food unique food quality attitude and convenience of finding local food to eat were found to have correlation with the intention to consume local food in all variables by statistically significant at the .05 level.

The purposes of this research were to 1 ) study personal factors of food consumption among supportive medical personnel in Bangkok during the coronavirus disease 2019 (COVID-19) outbreak situation. 2) Study the perception of information about the Coronavirus Disease 2019 ( COVID- 19) vaccine among supportive medical personnel in Bangkok during the coronavirus disease 2019 ( COVID- 19) outbreak situation. 3) Study the new normal food consumption of supportive medical personnel in Bangkok during the coronavirus disease 2019 ( COVID- 19) outbreak situation. 4) Compare the level of importance for the new normal food consumption approach among supportive medical personnel in Bangkok during the coronavirus disease 2019 ( COVID- 19) outbreak situation classified by personal factors and 5) comparison of importance for new normal of food consumption among supportive medical personnel in Bangkok during the coronavirus disease 2019 (COVID-19) outbreak situation classified by the awareness of information on vaccines for the prevention of coronavirus disease 2019 (COVID-19). The sample consisted of 400 supportive medical personnel in Bangkok by multistage sampling. The research tool was a questionnaire. The statistics used in the data analysis were frequency percentage mean standard deviation t- test and one-way ANOVA. The results of the study showed that 1) the personal factors of the supportive medical personnel are female aged less than 31 years single status educational status at the bachelors degree level. The sample group works in the position of administrative staff and has an average monthly income of 10001 - 200 00 baht. 2) Supportive medical personnel gave importance to the awareness of the coronavirus disease 2019 (COVID-19) vaccine the overall was at a high level. 3) Supportive medical personnel focused on the new normal food consumption the overall opinion was at a high level. 4) Supportive medical personnel who have positions in the main medical support and have different average monthly incomes gave different importance to the new normal of consumption by statistically significant at the .05 level. 5) Supportive medical personnel who have different perceptions of the coronavirus disease 2019 (COVID-19) vaccine giving different importance to the new normal food consumption; and it was statistically significant at the .05 level.

The purposes of this research were 1) to study personal factors and family factors of High school students at Prakhanongpittayalai School. 2 ) To study food consumption patterns of high school students at Phrakhanongpittayalai School according to the new normal. 3) Comparison of food consumption patterns according to the new normal of high school students at Phrakhanongpittayalai School classified by personal factors. 4) Comparison of food consumption patterns according to the new normal of high school students at Phrakhanongpittayalai School classified by family factors. The sample was obtained by random sampling of 300 students from high school students at Phrakhanongpittayalai School and using online questionnaires as a research tool. The data were analyzed by using frequency percentage mean standard deviation t-test and one-way analysis of variance. The results revealed that 1) most of the samples are female age 18 years old studying in Mathayom 6 earning between 100- 150 baht per day. The housing types are townhouse apartment or flat. The number of family members is more than 3 people. The education level of their parents is lower than a Bachelors degree and work as employees with an average family income of 15000 – 30000 baht per month. 2 ) Food consumption patterns of high school students at Prakanongpittayalai School according to the new normal found that the overall level was at a high level. When considering each aspect it was found that the aspect with the highest mean was the perception of food consumption according to the new normal followed by the aspect of food consumption characteristics of the family according to the new normal and the least aspect was the food type selection according to the new normal. 3) Comparing dietary patterns of high school students at Prakanongpittayalai School according to the new normal classified by personal factors it was found that gender age educational level parental income per day and housing characteristics were significantly differed in opinions on consumption patterns at the . 05 level. 4) Comparison of dietary patterns according to the new normal classified by family factors found that the occupations of parents and the average family income per month haddifferent effects on the new normal dietary patterns of high school students at Phrakhanongppittayalai School. There was a statistically significant difference at the .05 level except for the number of family members and their parents’ education were not statistically different at the .05 level.

The objectives of this research were to 1) study attitudes and consumption behavior of clean food for health 2) compare personal factors with consumption behavior 3) compare personal factors with consumption attitudes and 4) study attitudes affecting consumption behavior. The sample group was the population of Bangkok Province. Used in the study: 740 people. The questionnaire was used as a research tool. The data were analyzed by frequency percentage mean standard deviation. T-value test Analysis of one-way ANOVA and multiple regression analysis. The research results were found that: attitudes towards the consumption of clean food for health during the Covid-19 epidemic situation was at a high level. Clean food for health consumption behavior during the Covid-19 epidemic situation was at a high level.Individual factors including gender education and status had different attitudes towards healthy food consumption. During the Covid-19 epidemic situation the difference was statistically significant at the .05 level Individual factors including gender education income occupation and status had different healthy clean food consumption behaviors during the Covid-19 epidemic with statistical significance at the .05 level. Attitudes had a statistically significant effect on healthy food consumption during the Covid-19 epidemic at .05 level.

The objectives of this study were 1 ) to investigate the marketing mix factors influencing sukiyaki consumption among the elderly in Bangkok 2) to explore the consumer behavior of the elderly in sukiyaki consumption and 3 ) to study the relationship between marketing mix factors and the behavior of the elderly in sukiyaki consumption in Bangkok. The sample was 400 elderly people aged 6 0 years and over who living in Bangkok and consumed sukiyaki as food. A questionnaire was used as a research instrument. Statistics used in data analysis were frequency percentage mean standard deviation and hypothesis testing using Chi-Square. The results found that 1) overall opinion of the sample group was at a high level in terms of opinion on service staffs distribution channels product price service process and physical environment except for marketing promotion there was at moderate opinion. 2) In terms of sukiyaki consumption behavior the most popular ingredients in sukiyaki were fresh vegetables meat and meat products noodles and starchy foods eggs and mushrooms. The sample group liked to consume in sukiyaki restaurants. The reasons for sukiyaki consumption were the taste quality freshness various menus and the price of the food was reasonable with the quantity and quality. The frequency of consuming sukiyaki was less than once a month followed by once a month. The average food cost was between 201-300 bath per person. Most sukiyaki consumption time was on weekends between 13.01-16.00. Most of the consumption consisted of family members and the number of people eating was 4 or more. 3) Marketing mix factors included product factors price distribution channels marketing promotion service staffs service process and the physical environment found to be related to Suki food consumption behavior in terms of the reason for consumption the frequencies used in food consumption per month the average consumption cost per time per person and the time spent in food intake with statistical significance at the .05 level.