Abstract:
The purpose of this research is to study on the loyalty of PTT gas station customers in central region related to the quality of service and personal factors. A sample group is 385 customers of PTT gas stations in the central region whereas the questionnaire is used as a research method. The data is analyzed through sampling, Frequency, Percentage, Average, Standard Deviation, Mean Comparison, One Way ANOVA, Simple Regression Analysis and Multiple Regression Analysis.
The result of the study revealed that a majority of questionnaire respondents are 249 single women aged between 26 35 years with a bachelors degree. They work for private companies with average salary of 10,001 20,000 baht per month and have their own private car. The consensus of the samples in the central region on the quality of service, satisfaction with services and loyalty towards PTT gas stations is ranked at the high level.
The hypothesis testing found that the customers with different personal factors like gender, age, education level and average salary have the identical loyalty toward PTT gas stations. By contrast, the customers with differences in status, occupations and types of personal cars have significantly different loyalty at the statistical level 0.05 Factors of service quality, the satisfaction of prices; places; physical characteristics and procedures of PTT gas stations are related to the loyalty of the customers in the central region. For the satisfaction of PTTs products and marketing promotions, it is not related to the loyalty of the customers in the central region.