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
Example exposure group is eye burning 78 peaple from 120 0r 65% but control group have 3 peaple or 6% and this table distribution of study population according to the prevalence of respiration morbidity in relation to their smoking habit is smoking have affects to respiratory morbidity in the exposure and control group