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. 2009 Feb 19;117(6):946–952. doi: 10.1289/ehp.0800510

Table 1.

Summary statistics for the study population (nonsmoking female subjects, n = 263).

Statistic Median value (range) 10th–90th percentiles
Benzene exposure (ppm) 0.644 (1.5 × 10−4 to 299) 0.002–8.97
Age (years) 32 (18–52) 21–44
Body mass index (kg/m2) 21.8 (15.4–38.2) 18.5–26.7
Weight (kg) 57 (39–96) 48–70