Variable | Yes n (%) | No n (%) |
---|---|---|
Smoking | 81 (29) | 201 (71) |
Alcohol | 23 (8) | 259 (92) |
Sleeping pills | 46 (16) | 236 (84) |
Power drinks | 52 (18.0) | 230 (82) |
Coffee | 194 (69) | 88 (31) |
Antidepressants | 41 (15) | 241 (86) |
Anti-anxiety drugs | 48 (17) | 234 (83) |
Stimulants (amphetamines) | 33 (12) | 249 (88) |
Analgesic drugs | 115 (41) | 167 (59) |