Table 1. Demographic Features of AAS Users and Nonusers.
| Attribute | AAS nonusers N = 13 |
All AAS users N = 31 |
Long-term AAS users N = 22 |
Short-term AAS users N = 9 |
|---|---|---|---|---|
|
| ||||
| Mean (SD) | ||||
| Age | 37.0 (7.1) | 37.1 (7.0) | 37.3 (6.5) | 36.6 (8.4) |
| Years of education | 17.8 (4.3) | 12.8 (2.8)a | 12.9 (2.7) | 12.4 (3.3) |
| Age began regular weightlifting | 17.5 (4.8) | 17.5 (5.4) | 16.8 (4.6) | 19.4 (6.9) |
| Years of regular weightlifting | 17.8 (8.3) | 17.1 (7.9) | 19.2 (7.5) | 11.9 (6.5)b |
| Age began AAS use | 24.3 (5.9) | 23.0 (5.0) | 27.6 (6.9)b | |
| Lifetime weeks of AAS use | 271 (201) | 364 (161) | 44 (35)c | |
a
p < 0.001 vs. nonusers by t test, two-tailed
b
p < 0.05 vs. long-term users by t test, two-tailed
c
p < 0.001 vs. long-term users by t test, two-tailed