Table 3.
Gender ratios in recent studies of AAS users that assessed both men and women
| Study | Method | Location | Study Population | AAS Users |
Percent female | |
|---|---|---|---|---|---|---|
| Male | Female | |||||
| Copeland et al., 2000 | Personal interview | New South Wales, Australia | 100 AAS users age 18–50 | 94 | 6 | 6.0 |
| Kanayama et al., 2001 | Anonymous questionnaire | Massachusetts, USA | 501 gymnasium clients | 18 | 0 | 0.0 |
| Parkinson & Evans, 2006 | Internet survey | International | 500 current or past AAS users | 494 | 6 | 1.2 |
| Ip et al., 2011 | Internet survey | International | 518 current or past AAS users | 506 | 12 | 2.3 |
| Leifmann et al., 2011 | Anonymous questionnaire | Stockholm region, Sweden | 1752 gymnasium clients | 45 | 1 | 2.2 |