NIDA InfoFacts: Tendencias de estudiantes de la secundaria y otros jóvenes
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Estudio de Observación del Futuro: Tendencias en la prevalencia del uso de varias drogas por estudiantes del 8º, 10º y 12º grado
2002-2005
|
8º grado |
10º grado |
12º grado |
|
2002 |
2003 |
2004 |
2005 |
2002 |
2003 |
2004 |
2005 |
2002 |
2003 |
2004 |
2005 |
| Uso de cualquier droga ilícita |
en la vida
anual
30 días
|
24.5
17.7
10.4
|
22.8
16.1
9.7
|
21.5
15.2
8.4
|
21.4
15.5
8.5
|
44.6
34.8
20.8
|
41.4
32.0
19.5
|
39.8
31.1
18.3
|
38.2
29.8
17.3
|
53.0
41.0
25.4
|
51.1
39.3
24.1
|
51.1
38.8
23.4
|
50.4
38.4
23.1
|
| Marihuana/hachís |
en la vida
anual
30 días
diario
|
19.2
14.6
8.3
1.2
|
17.5
12.8
7.5
1.0
|
16.3
11.8
6.4
0.8
|
16.5
12.2
6.6
1.0
|
38.7
30.3
17.8
3.9
|
36.4
28.2
17.0
3.6
|
35.1
27.5
15.9
3.2
|
34.1
26.6
15.2
3.1
|
47.8
36.2
21.5
6.0
|
46.1
34.9
21.2
6.0
|
45.7
34.3
19.9
5.6
|
44.8
33.6
19.8
5.0
|
| Inhalantes |
en la vida
anual
30 días
|
15.2
7.7
3.8
|
15.8
8.7
4.1
|
17.3
9.6
4.5
|
17.1
9.5
4.2
|
13.5
5.8
2.4
|
12.7
5.4
2.2
|
12.4
5.9
2.4
|
13.1
6.0
2.2
|
11.7
4.5
1.5
|
11.2
3.9
1.5
|
10.9
4.2
1.5
|
11.4
5.0
2.0
|
| Alucinógenos |
en la vida
anual
30 días
|
4.1
2.6
1.2
|
4.0
2.6
1.2
|
3.5
2.2
1.0
|
3.8
2.4
1.1
|
7.8
4.7
1.6
|
6.9
4.1
1.5
|
6.4
4.1
1.6
|
5.8
4.0
1.5
|
12.0
6.6
2.3
|
10.6
5.9
1.8
|
9.7
6.2
1.9
|
8.8
5.5
1.9
|
| LSD |
en la vida
anual
30 días
|
2.5
1.5
0.7
|
2.1
1.3
0.6
|
1.8
1.1
0.5
|
1.9
1.2
0.5
|
5.0
2.6
0.7
|
3.5
1.7
0.6
|
2.8
1.6
0.6
|
2.5
1.5
0.6
|
8.4
3.5
0.7
|
5.9
1.9
0.6
|
4.6
2.2
0.7
|
[3.5]
1.8
0.7
|
| Cocaína |
en la vida
anual
30 días
|
3.6
2.3
1.1
|
3.6
2.2
0.9
|
3.4
2.0
0.9
|
3.7
2.2
1.0
|
6.1
4.0
1.6
|
5.1
3.3
1.3
|
5.4
3.7
1.7
|
5.2
3.5
1.5
|
7.8
5.0
2.3
|
7.7
4.8
2.1
|
8.1
5.3
2.3
|
8.0
5.1
2.3
|
| Cocaína crack |
en la vida
anual
30 días
|
2.5
1.6
0.8
|
2.5
1.6
0.7
|
2.4
1.3
0.6
|
2.4
1.4
0.6
|
3.6
2.3
1.0
|
2.7
1.6
0.7
|
2.6
1.7
0.8
|
2.5
1.7
0.7
|
3.8
2.3
1.2
|
3.6
2.2
0.9
|
3.9
2.3
1.0
|
3.5
1.9
1.0
|
| Heroína |
en la vida
anual
30 días
|
1.6
0.9
0.5
|
1.6
0.9
0.4
|
1.6
1.0
0.5
|
1.5
0.8
0.5
|
1.8
1.1
0.5
|
1.5
0.7
0.3
|
1.5
0.9
0.5
|
1.5
0.9
0.5
|
1.7
1.0
0.5
|
1.5
0.8
0.4
|
1.5
0.9
0.5
|
1.5
0.8
0.5
|
| Tranquilizantes |
en la vida
anual
30 días
|
4.3
2.6
1.2
|
4.4
2.7
1.4
|
4.0
2.5
1.2
|
4.1
2.8
1.3
|
8.8
6.3
2.9
|
7.8
5.3
2.4
|
7.3
5.1
2.3
|
7.1
4.8
2.3
|
11.4
7.7
3.3
|
10.2
6.7
2.8
|
10.6
7.3
3.1
|
9.9
6.8
2.9
|
| Alcohol |
en la vida
anual
30 días
diario
|
47.0
38.7
19.6
0.7
|
45.6
37.2
19.7
0.8
|
43.9
36.7
18.6
0.6
|
[41.0]
[33.9]
17.1
0.5
|
66.9
60.0
35.4
1.8
|
66.0
59.3
35.4
1.5
|
64.2
58.2
35.2
1.3
|
63.2
56.7
[33.2]
1.3
|
78.4
71.5
48.6
3.5
|
76.6
70.1
47.5
3.2
|
76.8
70.6
48.0
2.8
|
75.1
[68.6]
47.0
3.1
|
| Cigarrillos (cualquier uso) |
en la vida
30 días
diario
1/2 cajetilla+/día
|
31.4
10.7
5.1
2.1
|
28.4
10.2
4.5
1.8
|
27.9
9.2
4.4
1.7
|
[25.9]
9.3
4.0
1.7
|
47.4
17.7
10.1
4.4
|
43.0
16.7
8.9
4.1
|
40.7
16.0
8.3
3.3
|
38.9
14.9
7.5
3.1
|
57.2
26.7
16.9
9.1
|
53.7
24.4
15.8
8.4
|
52.8
25.0
15.6
8.0
|
[50.0]
23.2
[13.6]
[6.9]
|
| Tabaco sin humo |
en la vida
30 días
diario
|
11.2
3.3
0.8
|
11.3
4.1
0.8
|
11.0
4.1
1.0
|
10.1
3.3
0.7
|
16.9
6.1
1.7
|
14.6
5.3
1.8
|
13.8
4.9
1.6
|
14.5
5.6
1.9
|
18.3
6.5
2.0
|
17.0
6.7
2.2
|
16.7
6.7
2.8
|
17.5
7.6
2.5
|
| Esteroides |
en la vida
anual
30 días
|
2.5
1.5
0.8
|
2.5
1.4
0.7
|
1.9
1.1
0.5
|
1.7
1.1
0.5
|
3.5
2.2
1.0
|
3.0
1.7
0.8
|
2.4
1.5
0.8
|
2.0
1.3
0.6
|
4.0
2.5
1.4
|
3.5
2.1
1.3
|
3.4
2.5
1.6
|
2.6
[1.5]
[0.9]
|
| MDMA |
en la vida
anual
30 días
|
4.3
2.9
1.4
|
3.2
2.1
0.7
|
2.8
1.7
0.8
|
2.8
1.7
0.6
|
6.6
4.9
1.8
|
5.4
3.0
1.1
|
4.3
2.4
0.8
|
4.0
2.6
1.0
|
10.5
7.4
2.4
|
8.3
4.5
1.3
|
7.5
4.0
1.2
|
[5.4]
3.0
1.0
|
| Metanfetamina |
en la vida
anual
30 días
|
3.5
2.2
1.1
|
3.9
2.5
1.2
|
2.5
1.5
0.6
|
3.1
1.8
0.7
|
6.1
3.9
1.8
|
5.2
3.3
1.4
|
5.3
3.0
1.3
|
[4.1]
2.9
1.1
|
6.7
3.6
1.7
|
6.2
3.2
1.7
|
6.2
3.4
1.4
|
[4.5]
[2.5]
[0.9]
|
| Vicodín |
| anual |
2.5 |
2.8 |
2.5 |
2.6 |
6.9 |
7.2 |
6.2 |
5.9 |
9.6 |
10.5 |
9.3 |
9.5 |
| OxyContín |
| anual |
1.3 |
1.7 |
1.7 |
1.8 |
3.0 |
3.6 |
3.5 |
3.2 |
4.0 |
4.5 |
5.0 |
5.5 |
Estudio de Observación del Futuro: Tendencias en la prevalencia del uso de varias drogas entre los estudiantes del 8º, 10º, y 12º grado
1998-2001
|
8º grado |
10º grado |
12º grado |
|
1998 |
1999 |
2000 |
2001 |
1998 |
1999 |
2000 |
2001 |
1998 |
1999 |
2000 |
2001 |
| Uso de cualquier droga ilícita |
en la vida
anual
30 días
|
29.0
21.0
12.1 |
28.3
20.5
12.2 |
26.8
19.5
11.9
|
26.8
19.5
11.7 |
44.9
35.0
21.5 |
46.2
35.9
22.1 |
45.6
36.4
22.5
|
45.6
37.2
22.7 |
54.1
41.4
25.6 |
54.7
42.1
25.9 |
54.0
40.9
24.9
|
53.9
41.4
25.7 |
| Marihuana/hachís |
en la vida
anual
30 días
diario
|
22.2
16.9
9.7
1.1 |
22.0
16.5
9.7
1.4 |
20.3
15.6
9.1
1.3
|
20.4
15.4
9.2
1.3 |
39.6
31.1
18.7
3.6 |
40.9
32.1
19.4
3.8 |
40.3
32.2
19.7
3.8
|
40.1
32.7
19.8
4.5 |
49.1
37.5
22.8
5.6 |
49.7
37.8
23.1
6.0 |
48.8
36.5
21.6
6.0
|
49.0
37.0
22.4
5.8 |
| Inhalantes |
en la vida
anual
30 días
|
20.5
11.1
4.8 |
19.7
10.3
5.0 |
17.9
9.4
4.5
|
17.1
9.1
4.0 |
18.3
8.0
2.9 |
17.0
7.2
2.6 |
16.6
7.3
2.6
|
15.2
6.6
2.4 |
15.2
6.2
2.3 |
15.4
5.6
2.0 |
14.2
5.9
2.2
|
13.0
4.5
1.7 |
| Alucinógenos |
en la vida
anual
30 días
|
4.9
3.4
1.4 |
4.8
2.9
1.3 |
4.6
2.8
1.2
|
5.2
3.4
1.6 |
9.8
6.9
3.2 |
9.7
6.9
2.9 |
8.9
6.1
2.3
|
8.9
6.2
2.1 |
14.1
9.0
3.8 |
13.7
9.4
3.5 |
13.0
8.1
2.6
|
14.7
9.1
3.3 |
| LSD |
en la vida
anual
30 días
|
4.1
2.8
1.1 |
4.1
2.4
1.1 |
3.9
2.4
1.0
|
3.4
2.2
1.0 |
8.5
5.9
2.7 |
8.5
6.0
2.3 |
7.6
5.1
1.6
|
6.3
4.1
1.5 |
12.6
7.6
3.2 |
12.2
8.1
2.7 |
11.1
6.6
1.6
|
10.9
6.6
2.3 |
| Cocaína |
en la vida
anual
30 días
|
4.6
3.1
1.4 |
4.7
2.7
1.3 |
4.5
2.6
1.2
|
4.3
2.5
1.2 |
7.2
4.7
2.1 |
7.7
4.9
1.8 |
6.9
4.4
1.8
|
5.7
3.6
1.3 |
9.3
5.7
2.4 |
9.8
6.2
2.6 |
8.6
5.0
2.1
|
8.2
4.8
2.1 |
| Cocaína crack |
en la vida
anual
30 días
|
3.2
2.1
0.9 |
3.1
1.8
0.8 |
3.1
1.8
0.8
|
3.0
1.7
0.8 |
3.9
2.5
1.1 |
4.0
2.4
0.8 |
3.7
2.2
0.9
|
3.1
1.8
0.7 |
4.4
2.5
1.0 |
4.6
2.7
1.1 |
3.9
2.2
1.0
|
3.7
2.1
1.1 |
| Heroína |
en la vida
anual
30 días
|
2.3
1.3
0.6 |
2.3
1.4
0.6 |
1.9
1.1
0.5
|
1.7
1.0
0.6 |
2.3
1.4
0.7 |
2.3
1.4
0.7 |
2.2
1.4
0.5
|
1.7
0.9
0.3 |
2.0
1.0
0.5 |
2.0
1.1
0.5 |
2.4
1.5
0.7
|
1.8
0.9
0.4 |
| Tranquilizantes |
en la vida
anual
30 días
|
4.6
2.6
1.2 |
4.4
2.5
1.1 |
4.4
2.6
1.4
|
5.0
2.8
1.2 |
7.8
5.1
2.2 |
7.9
5.4
2.2 |
8.0
5.6
2.5
|
9.2
7.3
2.9 |
8.5
5.5
2.4 |
9.3
5.8
2.5 |
8.9
5.7
2.6
|
10.3
6.9
2.9 |
| Alcohol |
en la vida
anual
30 días
diario
|
52.5
43.7
23.0
0.9 |
52.1
43.5
24.0
1.0 |
51.7
43.1
22.4
0.8
|
50.5
41.9
21.5
0.9 |
69.8
62.7
38.8
1.9 |
70.6
63.7
40.0
1.9 |
71.4
65.3
41.0
1.8
|
70.1
63.5
39.0
1.9 |
81.4
74.3
52.0
3.9 |
80.0
73.8
51.0
3.4 |
80.3
73.2
50.0
2.9
|
79.7
73.3
49.8
3.6 |
| Cigarrillos (cualquier uso) |
en la vida
30 días
diario
1/2 cajetilla+/día
|
45.7
19.1
8.8
3.6 |
44.1
17.5
8.1
3.3 |
40.5
14.6
7.4
2.8
|
36.6
12.2
5.5
2.3 |
57.7
27.6
15.8
7.9 |
57.6
25.7
15.9
7.6 |
55.1
23.9
14.0
6.2
|
52.8
21.3
12.2
5.5 |
65.3
35.1
22.4
12.6 |
64.6
34.6
23.1
13.2 |
62.5
31.4
20.6
11.3
|
61.0
29.5
19.0
10.3 |
| Tabaco sin humo |
en la vida
30 días
diario
|
15.0
4.8
1.0 |
14.4
4.5
0.9 |
12.8
4.2
0.9
|
11.7
4.0
1.2 |
22.7
7.5
2.2 |
20.4
6.5
1.5 |
19.1
6.1
1.9
|
19.5
6.9
2.2 |
26.2
8.8
3.2 |
23.4
8.4
2.9 |
23.1
7.6
3.2
|
19.7
7.8
2.8 |
| Esteroides |
en la vida
anual
30 días
|
2.3
1.2
0.5 |
2.7
1.7
0.7 |
3.0
1.7
0.8
|
2.8
1.6
0.7 |
2.0
1.2
0.6 |
2.7
1.7
0.9 |
3.5
2.2
1.0
|
3.5
2.1
0.9 |
2.7
1.7
1.1 |
2.9
1.8
0.9 |
2.5
1.7
0.8
|
3.7
2.4
1.3 |
| MDMA |
en la vida
anual
30 días
|
2.7
1.8
0.9 |
2.7
1.7
0.8 |
4.3
3.1
1.4
|
5.2
3.5
1.8 |
5.1
3.3
1.3 |
6.0
4.4
1.8 |
7.3
5.4
2.6
|
8.0
6.2
2.6 |
5.8
3.6
1.5 |
8.0
5.6
2.5 |
11.0
8.2
3.6
|
11.7
9.2
2.8 |
Estudio de Observación del Futuro: Tendencias en la prevalencia del uso de varias drogas entre los estudiantes del 8º, 10º, y 12º grado
1995-1997
|
8º grado |
10º grado |
12º grado |
|
1995 |
1996 |
1997 |
1995 |
1996 |
1997 |
1995 |
1996 |
1997 |
| Uso de cualquier droga ilícita |
en la vida
anual
30 días
|
28.5
21.4
12.4 |
31.2
23.6
14.6 |
29.4
22.1
12.9
|
40.9
33.3
20.2 |
45.4
37.5
23.2 |
47.3
38.5
23.0
|
48.4
39.0
23.8 |
50.8
40.2
24.6 |
54.3
42.4
26.2
|
| Marihuana/hachís |
en la vida
anual
30 días
diario
|
19.9
15.8
9.1
0.8 |
23.1
18.3
11.3
1.5 |
22.6
17.7
10.2
1.1
|
34.1
28.7
17.2
2.8 |
39.8
33.6
20.4
3.5 |
42.3
34.8
20.5
3.7
|
41.7
34.7
21.2
4.6 |
44.9
35.8
21.9
4.9 |
49.6
38.5
23.7
5.8
|
| Inhalantes |
en la vida
anual
30 días
|
21.6
12.8
6.1 |
21.2
12.2
5.8 |
21.0
11.8
5.6
|
19.0
9.6
3.5 |
19.3
9.5
3.3 |
18.3
8.7
3.0
|
17.4
8.0
3.2 |
16.6
7.6
2.5 |
16.1
6.7
2.5
|
| Alucinógenos |
en la vida
anual
30 días
|
5.2
3.6
1.7 |
5.9
4.1
1.9 |
5.4
3.7
1.8
|
9.3
7.2
3.3 |
10.5
7.8
2.8 |
10.5
7.6
3.3
|
12.7
9.3
4.4 |
14.0
10.1
3.5 |
15.1
9.8
3.9
|
| LSD |
en la vida
anual
30 días
|
4.4
3.2
1.4 |
5.1
3.5
1.5 |
4.7
3.2
1.5
|
8.4
6.5
3.0 |
9.4
6.9
2.4 |
9.5
6.7
2.8
|
11.7
8.4
4.0 |
12.6
8.8
2.5 |
13.6
8.4
3.1
|
| Cocaína |
en la vida
anual
30 días
|
4.2
2.6
1.2 |
4.5
3.0
1.3 |
4.4
2.8
1.1
|
5.0
3.5
1.7 |
6.5
4.2
1.7 |
7.1
4.7
2.0
|
6.0
4.0
1.8 |
7.1
4.9
2.0 |
8.7
5.5
2.3
|
| Cocaína crack |
en la vida
anual
30 días
|
2.7
1.6
0.7 |
2.9
1.8
0.8 |
2.7
1.7
0.7
|
2.8
1.8
0.9 |
3.3
2.1
0.8 |
3.6
2.2
0.9
|
3.0
2.1
1.0 |
3.3
2.1
1.0 |
3.9
2.4
0.9
|
| Heroína |
en la vida
anual
30 días
|
2.3
1.4
0.6 |
2.4
1.6
0.7 |
2.1
1.3
0.6
|
1.7
1.1
0.6 |
2.1
1.2
0.5 |
2.1
1.4
0.6
|
1.6
1.1
0.6 |
1.8
1.0
0.5 |
2.1
1.2
0.5
|
| Tranquilizantes |
en la vida
anual
30 días
|
4.5
2.7
1.2 |
5.3
3.3
1.5 |
4.8
2.9
1.2
|
6.0
4.0
1.7 |
7.1
4.6
1.7 |
7.3
4.9
2.2
|
7.1
4.4
1.8 |
7.2
4.6
2.0 |
7.8
4.7
1.8
|
| Alcohol |
en la vida
anual
30 días
diario
|
54.5
45.3
24.6
0.7 |
55.3
46.5
26.2
1.0 |
53.8
45.5
24.5
0.8
|
70.5
63.5
38.8
1.7 |
71.8
65.0
40.4
1.6 |
72.0
65.2
40.1
1.7
|
80.7
73.7
51.3
3.5 |
79.2
72.5
50.8
3.7 |
81.7
74.8
52.7
3.9
|
| Cigarrillos (cualquier uso) |
en la vida
30 días
diario
1/2 cajetilla+/día
|
46.4
19.1
--
3.4 |
49.2
21.0
10.4
4.3 |
47.3
19.4
9.0
3.5
|
57.6
27.9
--
8.3 |
61.2
30.4
18.3
9.4 |
60.2
29.8
18.0
8.6
|
64.2
33.5
--
12.4 |
63.5
34.0
22.2
13.0 |
65.4
36.5
24.6
14.3
|
| Tabaco sin humo |
en la vida
30 días
diario
|
20.0
7.1
1.2 |
20.4
7.1
1.5 |
16.8
5.5
1.0
|
27.6
9.7
2.7 |
27.4
8.6
2.2 |
26.3
8.9
2.2
|
30.9
12.2
3.6 |
29.8
9.8
3.3 |
25.3
9.7
4.4
|
| Esteroides |
en la vida
anual
30 días
|
2.0
1.0
0.6 |
1.8
0.9
0.4 |
1.8
1.0
0.5
|
2.0
1.2
0.6 |
1.8
1.2
0.5 |
2.0
1.2
0.7
|
2.3
1.5
0.7 |
1.9
1.4
0.7 |
2.4
1.4
1.0
|
| MDMA |
en la vida
anual
30 días
|
-
-
- |
3.4
2.3
1.0 |
3.2
2.3
1.0
|
-
-
- |
5.6
4.6
1.8 |
5.7
3.9
1.3
|
-
-
- |
6.1
4.6
2.0 |
6.9
4.0
1.6
|
Versión revisada 4/08
|
|
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