Respiratory symptoms were higher in workers with duration of employment longer than 20 years,when compared with the other 2 duration. The findings corresponding this on “” is population who are exposure to rice dust more years cause to % of respiratory illness were higher population who are having less than 5 years exposure are having only 15.38% morbidity where as those who are having more than 20 years of exposure it was 50% but duration of exposure not related to the control.Table 3 distribution of various symptoms among the study population exposure group have % disorder symptoms of respiratory more than control group. This table too
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