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1999 YRBS High School Survey

Oregon Youth Risk Behavior Survey (YRBS)
1999 High School

Weighted Column Percents | Counts

Q61 How old were you when you tried marijuana for the first time?

Weighted Column Percents

TOTAL Grade
9th 10th 11th 12th
TOTAL 100.0 100.0 100.0 100.0 100.0
I Have Never Tried Marijuana 57.7 66.1 57.3 54.6 50.8
8 years old or younger 1.1 1.6 1.1 1.0 .5
9 or 10 years old 1.8 2.3 2.2 1.5 1.1
11 or 12 years old 7.7 9.6 8.7 6.8 5.0
13 or 14 years old 17.5 17.0 19.1 17.4 16.1
15 or 16 years old 12.2 3.3 11.5 16.8 19.3
17 years old or older 2.0
.1 1.9 7.1
Female Total 100.0 100.0 100.0 100.0 100.0
I Have Never Tried Marijuana 59.9 67.6 59.7 57.4 52.6
8 years old or younger .6 .9 .5 .7 .3
9 or 10 years old 1.4 1.8 1.7 1.0 .9
11 or 12 years old 6.8 8.8 7.3 5.6 4.6
13 or 14 years old 17.2 17.5 18.8 17.0 15.3
15 or 16 years old 12.3 3.4 11.9 17.0 19.7
17 years old or older 1.7
.1 1.3 6.7
Male Total 100.0 100.0 100.0 100.0 100.0
I Have Never Tried Marijuana 55.5 64.5 54.9 51.7 49.0
8 years old or younger 1.6 2.3 1.7 1.3 .8
9 or 10 years old 2.3 2.9 2.8 2.0 1.3
11 or 12 years old 8.7 10.5 10.1 8.0 5.4
13 or 14 years old 17.7 16.4 19.3 17.9 17.0
15 or 16 years old 12.0 3.3 11.1 16.5 19.0
17 years old or older 2.3
.1 2.5 7.6


Q61 How old were you when you tried marijuana for the first time?

Counts

TOTAL Grade
9th 10th 11th 12th
TOTAL 22,913 7,002 6,070 6,380 3,461
I Have Never Tried Marijuana 13,146 4,518 3,435 3,474 1,719
8 years old or younger 276 123 68 61 24
9 or 10 years old 446 178 136 93 39
11 or 12 years old 1,776 671 512 418 175
13 or 14 years old 4,071 1,213 1,161 1,128 569
15 or 16 years old 2,673 243 719 1,060 651
17 years old or older 385
6 117 262
Refused/Unknown 140 56 33 29 22
Female Total 11,597 3,632 3,016 3,218 1,731
I Have Never Tried Marijuana 6,905 2,414 1,785 1,823 883
8 years old or younger 78 35 14 22 7
9 or 10 years old 164 69 46 34 15
11 or 12 years old 798 321 222 180 75
13 or 14 years old 2,065 657 567 565 276
15 or 16 years old 1,366 124 369 538 335
17 years old or older 176
2 45 129
Refused/Unknown 45 12 11 11 11
Male Total 11,316 3,370 3,054 3,162 1,730
I Have Never Tried Marijuana 6,241 2,104 1,650 1,651 836
8 years old or younger 198 88 54 39 17
9 or 10 years old 282 109 90 59 24
11 or 12 years old 978 350 290 238 100
13 or 14 years old 2,006 556 594 563 293
15 or 16 years old 1,307 119 350 522 316
17 years old or older 209
4 72 133
Refused/Unknown 95 44 22 18 11