Table 1.
Risk behaviours and factors | Medical students | p-value | |||
Male (186) | Female (214) | Total (400) | |||
Number (%) | Number (%) | Number (%) | |||
Smoking tobacco | |||||
Smoking prevalence (ever) | 50 (26.9) | 1 (0.5) | 51 (12.8) | <0.001 | |
Exposure to parents’ smoking | 63 (37.3) | 76 (39.6) | 139 (38.5) | 0.487 | |
Close friends who smoke | 80 (47.6) | 40 (20.3) | 120 (32.9) | <0.001 | |
Peer pressure to smoke | 12 (7.7) | 2 (1.1) | 14 (4.1) | 0.002 | |
Mean age (year) of starting smoking (Min. – Max.) |
17.2, SDa = 2.4 (10–20) |
19.0 (19) |
17.3, SD = 2.8 (10–20) |
0.394 | |
Drinking alcohol | |||||
Drinking prevalence (ever) | 107 (58.5) | 29 (13.8) | 136 (34.5) | <0.001 | |
Exposure to parents’ drinking | 52 (31.5) | 64 (33.9) | 116 (32.8) | 0.243 | |
Close friends who drink | 116 (71.2) | 56 (29.0) | 172 (48.3) | <0.001 | |
Peer pressure to drink | 42 (27.6) | 15 (8.5) | 57 (17.4) | <0.001 | |
Mean age (year) of starting alcohol (Min. – Max.) |
16.9, SD = 2.3 (7–20) |
17.2, SD = 3.5 (7–20) |
17.0, SD = 2.4 (7–20) |
0.674 | |
Premarital sex | |||||
Experience of premarital sex | 33 (19.8) | 4 (2.0) | 37 (10.1) | <0.001 | |
Acceptance of that concept | 53 (35.1) | 9 (4.6) | 62 (17.8) | <0.001 | |
Friends with sexual experience | 86 (57.0) | 29 (15.5) | 115 (34.0) | <0.001 | |
Consistent condom use | 16 (61.5) | NAb | |||
Mean age (year) of first sex (Min. – Max.) |
17.8, SD = 1.9 (12–20) |
19.3, SD = 0.6 (19–20) |
17.6, SD = 2.4 (12–20) |
0.165 |
a SD: Standard deviation ; b NA: Not applicable