Title Page
Abstract
Contents
List of Abbreviation 10
Chapter 1. Introduction 14
1.1. Background of study 14
1.2. Statement of problem 15
1.3. Significance of study 17
1.4. Research question 18
1.5. Research objectives 18
1.6. Study hypothesis 19
1.7. Scope of study 19
1.8. Organization of study 19
Chapter 2. Literature review 20
2.1. Definition 20
2.1.1. Food sanitation 20
2.1.2. Food handlers of food service in Bangkok 20
2.2. Food sanitation training program related to knowledge, attitude, and practice of food handlers 21
2.3. Factors causing the food contamination 23
2.4. Foodborne illness outbreak 24
2.5. Conceptual framework 25
Chapter 3. Study area and research methodology 29
3.1. Study area 29
3.1.1. The number of food handlers in Bangkok 33
3.2. Methodology 34
3.2.1. Research and data collection design 34
3.2.2. The population and sample size 36
3.2.3. Statistical Analysis 37
Chapter 4. Analysis results and discussion 38
4.1. Analysis results 38
4.1.1. Demographic characteristics of the participants 38
4.1.2. The attitude of food handlers 42
4.1.3. Food handlers' practices 52
4.1.4. Food handlers' knowledge about food sanitation and hygiene. 62
4.1.5. Hypothesis testing 69
4.2. Discussion 72
4.2.1. Evaluating food sanitation knowledge, attitudes, and practice of food handlers in Bangkok. 72
4.2.2. The effectiveness of the food sanitation training program of Bangkok. 74
4.2.3. Identify problems associated with the food safety training program in Bangkok 76
Chapter 5. Conclusions, limitations and recommendations 78
5.1. Conclusion 78
5.2. Limitations and recommendations 79
5.1.1. Data collection and research design 79
5.1.2. Food sanitation and hygiene training program 80
5.1.3. Influence on food sanitation and hygiene 80
References 81
Appendices 84
Appendices I 84
Appendices II 90
요약 95
Table 1. Proportion of food contamination by pathogens and chemicals in Bangkok... 16
Table 2. The number of food services in southern Bangkok 2017. 32
Table 3. The number of food handlers who received the certificate of the food... 33
Table 4. The gender, age, and education level characteristics of respondents. 39
Table 5. The amount of trained and untrained participants separated by food... 40
Table 6. The factors to make a successful food sanitation training program... 41
Table 7. Average attitude scores of participants towards food sanitation and... 42
Table 8. Mean difference score between demographic variables of attitude... 44
Table 9. The scaling of food handlers' attitudes toward food sanitation and... 45
Table 10. Responses of trained and untrained attitude towards food sanitation and... 47
Table 11. The average scores of positive attitudes between trained and untrained... 48
Table 12. The average scores of negative attitude between trained and untrained... 50
Table 13. Average food handlers' practice scores for participants separated by... 52
Table 14. Mean difference of food handlers' practice scores between demographic... 54
Table 15. The scaling of food handlers' practices for participants 55
Table 16. Responses for trained and untrained food handler's practices. 57
Table 17. The average scores of positive practice between trained and untrained... 58
Table 18. The average scores of negative practice between trained and untrained... 60
Table 19. The divergence of the food handlers' knowledge level. 62
Table 20. Average knowledge score for participations separated by demographic... 63
Table 21. Mean difference of knowledge scores between demographic variables by... 64
Table 22. The percentage of correctly answered knowledge questions of trained... 66
Table 23. The mean scores of knowledge between trained and untrained groups... 68
Table 24. The comparison of the means regarding food hygiene and sanitation... 70
Table 25. The relationship among knowledge, attitude, and practices of food... 71
Figure 1. Reported cases of diarrhea per 100,000 people population during the... 16
Figure 2. Ideal KAP assessment model. 26
Figure 3. The food hygiene education model. 28
Figure 4. Map of 50 districts in Bangkok metropolitan. 29
Figure 5. Location of 10 districts in southern Bangkok. 30
Figure 6. The food contamination rate in Bangkok, 2016. 31
Figure 7. The contamination rate and failed food safety standards in southern... 31
Figure 8. The amount of trained and untrained food handlers. 39
Figure 9. The most important factors to make a successful food sanitation training... 75
Figure 10. The trend among food handlers regarding the acquisition of food... 77
Figure 11. Food Sanitation Training Program of Bangkok on 11/2016 hosted by... 77