Oregon Youth Risk Behavior Survey (YRBS)
1997 Middle School YRBS Questions
Unweighted Column Percents
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6th 7th 8th
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Total
I have never tried marijuana 91.6 84.5 72.0
8 years old or younger 1.4 1.7 1.8
9 years old 1.1 .8 1.0
10 years old 1.5 2.0 2.1
11 years old 3.1 4.0 3.6
12 years old 1.2 4.9 7.3
13 years old .2 2.2 9.6
14 years old or older .0 .1 2.6
Female
Total
I have never tried marijuana 91.8 86.6 72.5
8 years old or younger .9 1.4 1.2
9 years old 1.4 .5 .8
10 years old 1.7 1.7 2.2
11 years old 3.2 3.6 3.3
12 years old 1.0 4.2 7.5
13 years old .0 2.0 10.1
14 years old or older .0 .1 2.4
Male
Total
I have never tried marijuana 91.7 82.5 71.5
8 years old or younger 2.0 1.9 2.5
9 years old .8 1.1 1.1
10 years old 1.2 2.3 2.0
11 years old 2.8 4.3 3.8
12 years old 1.1 5.5 7.1
13 years old .4 2.4 9.2
14 years old or older .0 .1 2.7
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Total N =
9,463
Unweighted Frequencies
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6th 7th 8th
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Total
I have never tried marijuana 1,421 3,010 3,154
8 years old or younger 22 59 80
9 years old 17 27 43
10 years old 23 71 93
11 years old 48 141 156
12 years old 18 174 319
13 years old 3 78 422
14 years old or older 0 2 114
Female
Total
I have never tried marijuana 735 1,535 1,586
8 years old or younger 7 24 26
9 years old 11 8 18
10 years old 14 31 49
11 years old 26 64 73
12 years old 8 74 164
13 years old 0 35 220
14 years old or older 0 1 53
Male
Total
I have never tried marijuana 682 1,462 1,562
8 years old or younger 15 34 54
9 years old 6 19 25
10 years old 9 40 44
11 years old 21 76 83
12 years old 8 98 154
13 years old 3 43 202
14 years old or older 0 1 60
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Total N =
9,463
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