TOTAL | Students without clinical depressive symptoms | Students with clinical depressive symptoms | X2 | DF | P value | ||||
---|---|---|---|---|---|---|---|---|---|
Ν | % | Ν | % | Ν | % | ||||
Smoking habit | 18.95 | 2 | 0.002 | ||||||
Never | 986 | 66.3 | 737 | 74.8 | 249 | 25.2 | |||
Rare (once a month) | 75 | 5.1 | 46 | 61.3 | 29 | 38.7 | |||
Occasionally (once week) | 61 | 4.1 | 37 | 60.7 | 24 | 39.3 | |||
Often (2–3 times per week) | 54 | 3.6 | 35 | 64.8 | 19 | 35.2 | |||
Very often (3–5 times per week) | 27 | 1.7 | 14 | 51.9 | 13 | 58.1 | |||
Daily (5–7 times per week) | 297 | 19.3 | 85 | 29.8 | 212 | 71.2 | |||
Number of cigarettes | 13.41 | 3 | 0.004 | ||||||
None | 986 | 69.3 | 773 | 74.8 | 248 | 25.2 | |||
1-10 | 236 | 15.8 | 161 | 67.4 | 75 | 32.6 | |||
11-20 | 77 | 5.1 | 56 | 72.7 | 21 | 27.3 | |||
21-60 | 201 | 9.7 | 91 | 63.7 | 73 | 36.3 | |||
Alcohol consumption | 4.03 | 5 | 0.544 | ||||||
Never | 412 | 27.3 | 292 | 70.9 | 120 | 29.1 | |||
Rare(once a month) | 496 | 33.3 | 357 | 71.0 | 139 | 28.0 | |||
Occasionally (once week) | 414 | 27.6 | 310 | 74.9 | 104 | 25.1 | |||
Often (2–3 times per week) | 126 | 8.3 | 89 | 70.6 | 37 | 29.4 | |||
Very often (3–5 times per week) | 42 | 2.8 | 27 | 64.3 | 15 | 35.7 | |||
Daily (5–7 times per week) | 10 | 0.7 | 6 | 60.0 | 4 | 40.0 | |||
Number of drinks | 0.70 | 3 | 0.873 | ||||||
No alcohol consumption | 412 | 41.1 | 284 | 70.6 | 120 | 29.4 | |||
1-2 | 600 | 33.3 | 435 | 72.7 | 165 | 27.3 | |||
3-4 | 358 | 17.3 | 261 | 72.9 | 97 | 27.1 | |||
5-16 | 130 | 8.3 | 93 | 71.5 | 37 | 28.5 | |||
Drugs addiction | 11.98 | 5 | 0.035 | ||||||
No drugs use | 1435 | 95.8 | 1042 | 72.7 | 393 | 27.3 | |||
Rare (once a month) | 45 | 2.9 | 27 | 64.1 | 17 | 38.6 | |||
Occasionally (once week) | 6 | 0.5 | 4 | 66.7 | 2 | 33.3 | |||
Often (2–3 times per week) | 6 | 0.4 | 3 | 50.0 | 3 | 50.0 | |||
Very often (3–5 times per week) | 5 | 0.2 | 1 | 20.0 | 4 | 80.0 | |||
Daily (5–7 times per week) | 3 | 0.2 | 0 | 0,0 | 3 | 100.0 | |||
Type of substance used | 8.59 | 2 | 0.014 | ||||||
No drugs used | 1435 | 95.8 | 1042 | 72.7 | 394 | 27.3 | |||
Light drugs | 61 | 4.1 | 37 | 61.6 | 24 | 38.4 | |||
Hard drugs | 4 | 0.1 | 0 | 0.00 | 4 | 100.0 |