The factor that affected sleep disturbance was wearing personal protective equipment. It was shown that not wearing
personal protective equipment had an impact on sleep disturbance. Those who were exposed to xylene while not wearing
personal protective equipment had aOR for sleep disturbance at 3.9 (95% CI 1.1–13.8). Additionally, those who were exposed to toluene while not wearing personal protective equipment had an aOR of 4.4 (95% CI 0.2–15.8).