2004 | 2006 | 2008 | 2010 | 2012 | 2014 | Combined years | aLinear Trend p-valuea | ||
---|---|---|---|---|---|---|---|---|---|
N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | ||||
Age | 14–15 | 64(1.18) | 94(1.7) | 118(1.84) | 114(1.65) | 84(1.79) | 132(1.63) | 606(1.64) | 0.208 |
16–18 | 170(2.29) | 156(2.19) | 233(2.74) | 245(2.81) | 274(2.99) | 242(2.33) | 1321(2.57) | 0.287 | |
Nationality | Immigrants | NA | 240(2.04) | 308(2.29) | 313(2.24) | 319(2.59) | 316(1.92) | 1495(2.2) | 0.778 |
Spanish | 234(1.82) | 10(1.18) | 44(2.95) | 46(2.9) | 40(2.55) | 58(2.89) | 197(2.64) | 0.204 | |
Occupational status of parents | Unemployed both | 16(9.83) | 11(3.04) | 33(5.4) | 25(3.72) | 38(4.7) | 27(2.67) | 150(4.14) | 0.018 |
Employed one | 38(2.58) | 37(2.32) | 65(2.75) | 68(2.37) | 88(2.78) | 84(2.17) | 380(2.48) | 0.689 | |
Employed both | 179(1.6) | 202(1.9) | 254(2.12) | 266(2.21) | 232(2.35) | 263(1.93) | 1397(2.01) | 0.043 | |
Educational level of parents | No formal education | 20(3.42) | 8(1.93) | 24(4.28) | 22(5.1) | 20(5.36) | 12(3.05) | 106(3.83) | 0.388 |
Primary school | 89(1.9) | 116(2.65) | 101(1.96) | 106(2.11) | 108(2.33) | 85(2.18) | 605(2.18) | 0.766 | |
Secondary school | 28(1.66) | 31(1.53) | 53(2.23) | 71(2.35) | 69(2.47) | 77(1.66) | 330(1.98) | 0.713 | |
Higher education | 61(1.74) | 74(2.1) | 106(2.7) | 125(2.65) | 101(2.51) | 122(1.87) | 589(2.25) | 0.871 | |
Alcohol use in the past 30 days | No | 54(1.14) | 50(0.94) | 82(1.3) | 83(1.26) | 35(0.88) | 71(0.96) | 374(1.09) | 0.440 |
Yes | 180(2.21) | 200(2.73) | 269(3.12) | 276(3.07) | 324(3.26) | 303(2.73) | 1552(2.87) | 0.049 | |
Any cigarette smoking in the past 30 days | No | 17(3.08) | 126(1.33) | 190(1.85) | 194(1.61) | 192(1.86) | 213(1.45) | 932(1.62) | 0.754 |
Yes | 106(3.3) | 124(3.96) | 161(3.48) | 165(4.65) | 167(4.66) | 161(4.2) | 885(4.03) | 0.038 | |
Any marijuana use in the past 30 days | No | 112(1.2) | 122(1.25) | 166(1.44) | 177(1.4) | 224(1.98) | 214(1.37) | 1014(1.45) | 0.035 |
Yes | 122(3.43) | 127(4.54) | 186(5.41) | 183(6.05) | 135(5.26) | 160(5.46) | 913(4.99) | 0.001 | |
Any illicit psychoactive drug use other than marijuana in the last 12 months | No | 151(1.27) | 155(1.3) | 245(1.72) | 232(1.55) | 253(1.9) | 280(1.55) | 1316(1.56) | 0.020 |
Yes | 83(8.83) | 95(13.92) | 106(15.19) | 127(20.19) | 106(18.76) | 94(20.2) | 610(15.35) | 0.000 | |
Perceived health risk for consumption of TSSp | No/few problems | 67(6.02) | 85(5.97) | 126(7.10) | 107(6.12) | 94(8.48) | 79(4.85) | 557(6.34) | 0.699 |
Quite a few/many problems | 120(1.29) | 130(1.48) | 143(1.47) | 164(1.81) | 184(2.12) | 204(1.66) | 946(1.64) | 0.009 | |
Perceived availability of TSSp | Impossible/very difficult to obtain | 29(0.87) | 32(0.9) | 55(1.26) | 49(1.44) | 62(1.66) | 86(1.55) | 313(1.31) | 0.004 |
Easy/very easy to obtain | 175(2.7) | 175(3.46) | 229(4.26) | 222(3.97) | 196(4.89) | 196(3.92) | 1193(3.79) | 0.000 | |
Information on drugs received at school | No | 65(1.97) | 95(1.99) | 102(2.78) | 111(3.04) | 111(3.47) | 101(2.48) | 584(2.58) | 0.012 |
Yes | 169(1.77) | 155(1.97) | 213(2.01) | 226(1.98) | 225(2.21) | 242(1.76) | 1230(1.94) | 0.848 |