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.

This study was aimed to investigate income and expenses which led to indebtedness of Royal Aide De Camp Department noncommissioned officers. The questionnaire was administered as the instrument for collecting data and the investigation was performed among the entire population using Survey Analytic Studies. The samples were 40 Royal Aide-De-Camp noncommissioned officers. The results of the study revealed that most officers had 100001 – 500000 in estimate and took on more public loan than pawnbroker’s loan. The public loans were taken from Cooperative saving banks while the pawnbroker’s loans were from relatives or friends. Their consumption behavior which caused indebtedness was expenses on buying household equipment such as washing machines fridges televisions etc. From primary analysis noncommissioned officers who were most in debt were Sergeant Major 3rd class(SM.3) Sergeant Major 2nd class (SM.2) and Sergeant Major 1st class (SM.1) who had worked for over ten years. They were married and had children but their spouses did not work with the total income of 5000 Baht.

This study was aimed to explore opinions of electronic correspondence officials to study their satisfaction level toward electronic correspondence and to investigate effectiveness level of electronic correspondence officials working at Royal Aide-De-Camp Department. The population was 25 officials who worked at electronic correspondence office of Royal Aide-De-Camp Department. The data were collected in January 2015 and analyzed by a computer software program using the frequency distribution percentage distribution mean ( ) and standard deviation( ). The result of the analysis revealed high level of opinions of 25 electronic correspondence officials working at Royal Aide-De-Camp Department that most of the respondents were male noncommissioned officers ranging from 29 to 39 years old with bachelor’s degrees and having two to five years’ experience or more. They were based at military logistics office. Also their satisfaction toward electronic correspondence was relatively high as well as the effectiveness level. As for problems of electronic correspondence male officers were found having more trouble on insufficient number of computers and their frequent deficiencies and slow downloading. The highest scores were from the users’ satisfaction caused by convenient work facilitation and time saving. In terms of effectiveness most respondents thought that the system was computably accurate and complete with the effective users’ verification system backup system data protection and simple and swift computation. Future studies should be done to electronic correspondence performance between different workplaces such as the electronic correspondence of Royal Aide-De-Camp Department and Ministry of Defense Deputy office in order to compare problems opinions and effectiveness of different electronic correspondence offices.