ความชุกและความสัมพันธ์ระหว่างปัจจัยด้านการยศาสตร์กับอาการปวดหลังส่วนล่างในเกษตรกรสวนลำไย ตำบลทาขุมเงิน อำเภอแม่ทา จังหวัดลำพูน

Abstract

This descriptive study was aimed to find out the prevalence and relationship between ergonomic factors and low back pain among longan farmers in Thakhumnguen Subdistrict Mae- Tha District of Lamphun province. The samples were 334 longan farmers. They were interviewed based on the structured questionnaire developed by the researcher. The data was collected from June 2013 to November 2013 and analyzed by descriptive statistics. The relationship between ergonomic factors and low back pain was analyzed by Fisher’s Exact Test. The ergonomic factors that related statistically to low back pain in longan farmers were found 2 factors. One was the relaxing time during choosing longan process by sitting (P-value=0.046). The farmers sit continuously to choose longan size 2 hours and 4 hours. The percentage of low back pain was 77.8 and 93.3 respectively. In the farmers who had unusual relaxing time, it was found that everyone had low back pain. The number of longan trees in spread out process per day (P-value=0.034). The farmers used hoe to spread out soil amount 1-50 longan trees. The percentage of low back pain was 83.0. The study indicated that the relaxing time during day related with low back pain of longan farmers. Particular of choosing longan process by sitting, the farmers was in the position sitting all day. Because of longan-sale is the most important income for the farmers. Moreover, it was also found that the processes in harvest had high percentage of low back pain. This point should be researched continuously and collected data in the harvesting period.