Table 1 The mean age of tramadol abusers and control subjects and mean ages for onset of abuse
From: Association between male sex hormones and tramadol abuse
Mean±SD (years) (minimum-maximum) | |
|---|---|
Age of abusers (N = 67) | 30.46 ± 6.14 (15–55) |
Age of control subjects (N = 67) | 29.5 ± 7.6 (16–54) |
Age of onset of substance abuse | 21.24 ± 5.9 |