marginally significantp = 0.078
However, the effect of age was significant only for 1,2-BQ-Alb among low-exposed subjects ( p = 0.018) and was marginally significant for 1,4-BQ-Alb among high-exposed subjects ( p = 0.078); the effect of BMI was significant only for 1,4-BQ-Alb for subjects exposed to ≥ 1 ppm benzene ( p = 0.014).