THE INFLUENCE OF PERCEIVED WORKLOAD AND JOB BURNOUT ON ORGANIZATIONAL COMMITMENT OF EMPLOYEE OF THATLAND POST CO., LTD., SAKON NAKHON POST OFFICE, THAILAND
Thailand Post Company Limited, previous state-owned enterprises, has been transformed to business entities since 2003, is responsible for providing goods and messages delivery nationwide through easily accessible services. With the corporate mission in making Thailand the hub of ASEAN postal business and logistics, employees have to perform extra workload leading to job burnout and high turnover rate. This research study was designed to explore the influence of perceived workload and job burnout on organizational commitment of employee of Thailand Post Co., Ltd. Sakon Nakhon Post Office. This research study was a quantitative research method. The targeted population of this research was Sakon Nakhon Post Office staffs of 210 respondents. Data were collected through 5-point Likert scale questionnaire surveys. Cronbach’s alpha coefficient of perceived workload, job burnout and organizational commitment were 0.856, 0.879, and 0.959. Data were analyzed by descriptive statistics and inferential statistics including the Pearson Product-Moment Correlation and Multiple Regression Analysis.
The results of this research study presented that staffs’ opinion on perceived workload was at a low level with recoded mean score of 3.77; job burnout was at a high level with recoded mean score of 2.33; and organizational commitment was at a high level with mean scores of 4.24. The research results from hypotheses testing shown that perceived workload and job burnout can predict organizational commitment up to 31.30% (Adjusted R-Square 0.313) at 0.05 significant levels. The perceived workload had a statistically significant positive influenced on job burnout with standardized coefficients (β) of 0.366. The job burnout had a statistically significant negative influenced on organizational commitment with standardized coefficients (β) of 0.503. However, the perceived workload had not directly significant influenced on organizational commitment. In conclusion, perceived workload had significantly influenced on organizational commitment through job burnout of employee of Thailand Post Co., Ltd. Sakon Nakhon Post Office providing management team needs to pay attention on these critical factors in order to promote organizational commitment.