| 2nd Year Medical | 4th Year Medical | ANU | Chinese | 2nd vs 4th Year Medical | ANU vs Chinese |
---|---|---|---|---|---|---|
 | n = 103* | n = 82* | n = 38* | n = 184* | p value | p value |
Age (years): mean (SD) | 25.5 (4.0) | 27.5 (3.2) | 20.3 (2.1) | 23.3 (3.5) | < 0.0011 | < 0.0011 |
Age (years): range | 21 – 42 | 23 – 43 | 18 – 26 | 15 – 39 |  |  |
% female | 55 | 59 | 47 | 46 | 0.693 | 1.000 |
Area inhabited: urban, % | 97 | 99 | 82 | 75 | 0.819 | 0.502 |