2004 | 2006 | 2008 | 2010 | 2012 | 2014 | Combined years | aLinear Trend p-valuea | ||
---|---|---|---|---|---|---|---|---|---|
N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | ||||
Age | 14–15 | 138(2.56) | 153(2.45) | 200(2.94) | 233(3.15) | 161(3.4) | 272(3.13) | 1157(2.95) | 0.013 |
16–18 | 242(3.31) | 241(3.16) | 311(3.68) | 360(4.01) | 416(4.68) | 464(4.51) | 2032(3.95) | 0.000 | |
Nationality | Immigrants | NA | 360(2.82) | 445(3.28) | 511(3.52) | 487(4.04) | 638(3.81) | 2441(3.51) | 0.000 |
Spanish | 380(3.00) | 34(3.10) | 65(3.96) | 81(4.45) | 89(5.68) | 98(4.4) | 368(4.39) | 0.084 | |
Occupational status of parents | Unemployed both | 2(1.36) | 16(3.76) | 24(5.15) | 39(5.38) | 50(6.13) | 72(6.64) | 203(5.5) | 0.007 |
Employed one | 67(3.99) | 61(3.29) | 104(3.57) | 150(4.40) | 156(4.29) | 178(4.09) | 715(4.01) | 0.292 | |
Employed both | 310(2.87) | 317(2.74) | 383(3.23) | 404(3.30) | 371(4.04) | 486(3.59) | 2271(3.28) | 0.000 | |
Educational level of parents | No formal education | 16(2.97) | 17(2.55) | 22(3.26) | 16(2.81) | 22(4.76) | 18(3.19) | 111(3.19) | 0.374 |
Primary school | 129(2.62) | 158(2.97) | 220(3.69) | 214(3.67) | 198(3.99) | 194(4.03) | 1113(3.5) | 0.000 | |
Secondary school | 49(2.9) | 64(2.88) | 64(2.82) | 124(3.9) | 119(4.31) | 180(3.81) | 600(3.56) | 0.015 | |
Higher education | 127(3.76) | 97(2.91) | 127(3.46) | 171(3.88) | 172(4.48) | 246(3.9) | 941(3.77) | 0.097 | |
Alcohol use in the past 30 days | No | 81(1.79) | 132(2.27) | 156(2.52) | 176(2.54) | 78(2.21) | 139(2.01) | 763(2.25) | 0.888 |
Yes | 299(3.66) | 262(3.26) | 354(3.91) | 417(4.4) | 498(4.94) | 597(4.95) | 2427(4.27) | 0.000 | |
Any cigarette smoking in the past 30 days | No | 15(2.71) | 214(2.23) | 262(2.59) | 346(2.98) | 310(3.22) | 413(2.84) | 1560(2.78) | 0.014 |
Yes | 188(4.57) | 180(4.24) | 248(4.83) | 247(5.19) | 266(6.68) | 323(7.25) | 1452(5.44) | 0.000 | |
Any marijuana use in the past 30 days | No | 231(2.34) | 291(2.56) | 362(2.87) | 417(3.00) | 417(3.52) | 530(3.16) | 2246(2.94) | 0.000 |
Yes | 149(5.3) | 103(4.12) | 149(5.66) | 176(7.08) | 160(8.97) | 206(9.44) | 943(6.55) | 0.000 | |
Any illicit psychoactive drug use other than marijuana in the last 12 months | No | 318(2.61) | 360(2.67) | 456(3.06) | 524(3.26) | 512(3.82) | 683(3.64) | 2855(3.21) | 0.000 |
Yes | 61(12.52) | 34(8.86) | 54(16.13) | 68(23.76) | 64(29.05) | 53(24.62) | 334(17.35) | 0.000 | |
Perceived health risk for consumption of TSSp | No/few problems | 101(8.37) | 106(7.70) | 140(9.4) | 148(9.05) | 146(14.33) | 183(10.99) | 825(9.82) | 0.001 |
Quite a few/many problems | 249(2.47) | 236(2.20) | 285(2.51) | 338(3.09) | 339(3.60) | 417(3.1) | 1864(2.82) | 0.000 | |
Perceived availability of TSSp | Impossible/very difficult to obtain | 23(0.71) | 64(1.59) | 61(1.34) | 65(1.96) | 75(2.17) | 101(1.94) | 389(1.63) | 0.000 |
Easy/very easy to obtain | 320(4.76) | 278(4.8) | 361(6.24) | 432(6.79) | 388(9.21) | 448(8.30) | 2226(6.50) | 0.000 | |
Information on drugs received at school | No | 98(3.42) | 154(3.14) | 121(3.29) | 154(4.54) | 159(4.87) | 176(4.22) | 861(3.87) | 0.003 |
Yes | 282(2.87) | 240(2.68) | 369(3.3) | 423(3.35) | 402(3.99) | 533(3.74) | 2248(3.36) | 0.000 |