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1999 YRBS High School Survey

Oregon Youth Risk Behavior Survey (YRBS)
1999 High School

Weighted Column Percents | Counts

Q62 During the past 30 days, how many times did you use marijuana?

Weighted Column Percents

TOTAL Grade
9th 10th 11th 12th
TOTAL 100.0 100.0 100.0 100.0 100.0
0 times 78.7 81.8 78.0 78.1 76.1
1 or 2 times 7.8 7.1 7.5 7.8 8.9
3 to 9 times 5.4 4.8 6.0 5.1 5.8
10 to 19 times 2.7 2.5 3.2 2.9 2.3
20 to 39 times 2.3 1.8 2.1 2.6 2.9
40 or more times 3.1 1.9 3.2 3.4 4.0
Female Total 100.0 100.0 100.0 100.0 100.0
0 times 80.7 82.5 79.4 81.2 79.3
1 or 2 times 7.9 7.1 7.8 8.1 8.8
3 to 9 times 5.5 5.2 6.3 4.6 5.9
10 to 19 times 2.3 2.5 2.7 2.4 1.5
20 to 39 times 1.6 1.4 1.4 1.7 1.8
40 or more times 2.0 1.4 2.3 1.9 2.7
Male Total 100.0 100.0 100.0 100.0 100.0
0 times 76.6 81.1 76.6 75.0 72.8
1 or 2 times 7.7 7.0 7.3 7.6 9.1
3 to 9 times 5.3 4.5 5.6 5.6 5.6
10 to 19 times 3.2 2.5 3.7 3.4 3.2
20 to 39 times 3.1 2.3 2.8 3.5 3.9
40 or more times 4.2 2.6 4.1 5.0 5.4


Q62 During the past 30 days, how many times did you use marijuana?

Counts

TOTAL Grade
9th 10th 11th 12th
TOTAL 22,913 7,002 6,070 6,380 3,461
0 times 17,755 5,583 4,652 4,949 2,571
1 or 2 times 1,782 516 459 496 311
3 to 9 times 1,243 359 367 316 201
10 to 19 times 679 200 193 190 96
20 to 39 times 539 131 137 165 106
40 or more times 704 146 202 214 142
Refused/Unknown 211 67 60 50 34
Female Total 11,597 3,632 3,016 3,218 1,731
0 times 9,253 2,941 2,381 2,599 1,332
1 or 2 times 934 270 239 259 166
3 to 9 times 621 189 187 143 102
10 to 19 times 304 107 79 82 36
20 to 39 times 186 54 43 54 35
40 or more times 229 55 62 65 47
Refused/Unknown 70 16 25 16 13< /TD>
Male Total 11,316 3,370 3,054 3,162 1,730
0 times 8,502 2,642 2,271 2,350 1,239
1 or 2 times 848 246 220 237 145
3 to 9 times 622 170 180 173 99
10 to 19 times 375 93 114 108 60
20 to 39 times 353 77 94 111 71
40 or more times 475 91 140 149 95
Refused/Unknown 141 51 35 34 21