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1999 YRBS Middle School Survey Data

Oregon Youth Risk Behavior Survey (YRBS)

1999 Middle School YRBS Questions

Weighted Column Percents | Frequencies

Q52. How old were you when you tried marijuana for the first time?
Weighted Column Percents

TOTAL Grade
6th grade 7th grade 8th grade
TOTAL 100.0 100.0 100.0 100.0
I have never tried marijuana 88.2 96.2 89.1 79.5
8 years old or younger .8 .5 .7 1.0
9 or 10 years old 1.7 1.3 1.6 2.3
11 or 12 years old 5.1 1.9 5.7 7.6
13 or 14 years old 4.2 .0 2.9 9.5
15 years old or older .1
.0 .1
Female Total 100.0 100.0 100.0 100.0
I have never tried marijuana 89.5 96.9 90.7 81.2
8 years old or younger .3 .3 .3 .4
9 or 10 years old 1.5 1.1 1.3 2.0
11 or 12 years old 4.5 1.7 5.3 6.6
13 or 14 years old 4.1 .0 2.4 9.7
15 years old or older .0
.1 .1
Male Total 100.0 100.0 100.0 100.0
I have never tried marijuana 86.9 95.5 87.4 77.8
8 years old or younger 1.2 .8 1.1 1.6
9 or 10 years old 2.0 1.6 1.9 2.6
11 or 12 years old 5.6 2.1 6.2 8.6
13 or 14 years old 4.2
3.4 9.2
15 years old or older .1

.2

Q52. How old were you when you tried marijuana for the first time?
Frequencies

TOTAL Grade
6th grade 7th grade 8th grade
TOTAL 18,419 4,635 5,263 8,521
I have never tried marijuana 15,654 4,394 4,592 6,668
8 years old or younger 140 22 37 81
9 or 10 years old 354 62 93 199
11 or 12 years old 1,030 84 312 634
13 or 14 years old 946 1 140 805
15 years old or older 14
1 13
Refused/Unknown 281 72 88 121
Female Total 9,293 2,305 2,681 4,307
I have never tried marijuana 8,070 2,208 2,398 3,464
8 years old or younger 40 7 11 22
9 or 10 years old 157 28 39 90
11 or 12 years old 451 36 141 274
13 or 14 years old 470 1 61 408
15 years old or older 4
1 3
Refused/Unknown 101 25 30 46
Male Total 9,126 2,330 2,582 4,214
I have never tried marijuana 7,584 2,186 2,194 3,204
8 years old or younger 100 15 26 59
9 or 10 years old 197 34 54 109
11 or 12 years old 579 48 171 360
13 or 14 years old 476
79 397
15 years old or older 10

10
Refused/Unknown 180 47 58 75