Table 4.
Substances’ use according to the database year
| 1998 (N = 6561) | 2002 (N = 5921) | 2006 (N = 4713) | χ2 | ||||
|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | ||
| Smoking consumption | 127,36*** | ||||||
| I don’t smoke | 5915 | 86.9 | 4943 | 81.4 | 4212 | 87.8 | |
| Less than once a week | 339 | 5 | 340 | 5.6 | 211 | 4.4 | |
| At least once a week | 185 | 2.7 | 274 | 4.5 | 132 | 2.8 | |
| Everyday | 368 | 5.4 | 513 | 8.5 | 240 | 5 | |
| Alcohol consumption | 971,97*** | ||||||
| Never | 2788 | 42.6 | 3829 | 63.7 | 2999 | 62.6 | |
| Rarely | 3109 | 47.5 | 1447 | 24.1 | 1257 | 26.2 | |
| Every month | 433 | 6.6 | 394 | 6.6 | 323 | 6.7 | |
| Every week | 195 | 3 | 283 | 4.7 | 179 | 3.7 | |
| Everyday | 26 | .4 | 60 | 1 | 33 | .7 | |
| Intoxicated | 44.69*** | ||||||
| Never | 5356 | 77.9 | 4562 | 75.5 | 3552 | 73.7 | |
| Once | 763 | 11.1 | 715 | 11.8 | 553 | 11.5 | |
| Two or three times | 471 | 6.8 | 445 | 7.4 | 425 | 8.8 | |
| Four to ten times | 140 | 2 | 173 | 2.9 | 155 | 3.2 | |
| More than ten times | 148 | 2.2 | 150 | 2.5 | 134 | 2,8 | |
| Drugs consumption (one month) | 158.17*** | ||||||
| Never | 6155 | 97.5 | 5227 | 93.4 | 4237 | 95.5 | |
| Once | 66 | 1 | 132 | 2.4 | 86 | 1.9 | |
| More than once | 90 | 1 | 152 | 2.7 | 66 | 1,5 | |
| Regularly | 0 | 0 | 86 | 1.5 | 48 | 1.1 | |
Note:
***
p < .001. Adjusted residuals superior to 1.9 are shown in bold.