It was found that work duration of more than
5 years being exposed to xylene had aOR of 0.2 (95% CI 0.02–
0.9). Those who worked more than 5 years and who were
exposed to toluene had aOR of 0.16 (95% CI 0.02–0.9). In
addition, it was shown that work duration more than 5 years
had an impact on mood symptom among those who were
exposed to toluene with aOR at 0.1 (95% CI was 0.02–0.9).