Paper Title
The Perception of Marketing Communication and Electronics Marketing Strategies Affecting Online Buying Decision Making for Supplementary Foods of Working Age Consumer in Bangkok

Abstract
This research aimed to studied 1. Buying behavior for supplementary foods of working age consumer in Bangkok. 2.The Perception of important level of marketing communication which affecting online buying decision making for supplementary foods.3. The important level of electronics marketing strategies which affecting online buying decision making for supplementary foods. 4. To compare the perception of important level of marketing communication which affecting online buying decision making for supplementary foods by consumer demographic factors. 5. To compare the important level of electronic marketing strategies which affecting online buying decision making for supplementary foods by consumer demographic factors. The research used quantitative method with 400 sample size and used online questionnaire to collect data. Used descriptive statistics and ANOVA in inferential statistics to analyze data. The result shown that the personal characteristics of respondents are that most of them are female with varies of age from under 25 years old to middle of age .Most of them are single with bachelor degree and varies in career and the group of worker in private companies is the biggest group and have moderate income level. Their buying behavior toward supplementary foods are as follow : tablet and capsule foods are popularly ordered, most popular to buy supplementary foods from foreign countries, most of them buy for themselves, consumers want the core value of the product in terms of overall health enhancing and for beauty skin and reduce weight. Buy products between 501 - 1,000 baht per time. Most consumers make decision and purchase by themselves. Most of them buy products from the website of the manufacturer or distributor with frequency 3-4 times per year. The consumers receive products information from product reviewers via the internet and from various of reference groups as well as from internet. The perception of marketing communication on consumers' purchasing decision for products has a relatively high level of importance. Electronic marketing strategies are very high important for the decision to buy products and the most important factor of product value is the result of product consumption as desired. The hypothesis testing found that respondents with different personal characteristics have different in the level of perception toward the importance of marketing communication regarding the decision to buy supplementary foods online. At the 95% confidence level (significance 0.05) in all aspects, including gender, age range, occupation, marital status, income and education level. And found that respondents with different personal characteristics have different in the level of perception toward the importance of electronics marketing strategies regarding the buying decision of supplementary foods online. At the 95% confidence level (significance 0.05) in all aspects, including gender, age range, occupation, marital status, income and education level. Keywords – Online Buying Decision Making, Supplementary Foods, Electronics Marketing Strategies, Marketing