Table 1 Socio-demographic characteristics of the sample
Characteristics | Total sample | Third year sample | Fourth year sample | Fifth year sample | Sixth year sample |
|---|---|---|---|---|---|
N | 462 | 126 | 136 | 103 | 97 |
Age (years)* | 22.6 [22.4; 22.8] | 21.5 [21.0; 22.0] | 22.2 [21.7; 22.7] | 23.3 [22.9; 23.7] | 24.1 [23.7; 24.5] |
Sex, n (%) | |||||
 Female | 327 (70.8%) | 94 (74.6%) | 92 (67.7%) | 80 (77.7%) | 61 (62.9%) |
 Male | 134 (29.0%) | 32 (25.4%) | 43 (31.6%) | 23 (22.3%) | 36 (37.1%) |
 Other | 1 (0.2%) | 0 (0.0%) | 1 (0.7%) | 0 (0.0%) | 0 (0.0%) |