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1997 YRBS High School Survey

Oregon Youth Risk Behavior Survey (YRBS)
1997 High School


       
           Q55. During the past 30 days, how many times
                      did you use marijuana?
                     Weighted Column Percents
 ----------------------------------------------------------------
                           Total               Grade
                                  -------------------------------
                                    9th    10th    11th    12th
 ----------------------------------------------------------------
 0 times                     77.5    79.2    76.1    76.6    78.1
 1 or 2 times                 8.1     7.8     8.6     8.4     7.3
 3 to 9 times                 5.8     5.8     6.4     5.8     5.1
 10 to 19 times               3.3     2.9     3.4     3.6     3.2
 20 to 39 times               2.5     2.1     2.8     2.5     2.9
 40 or more times             2.8     2.2     2.7     3.0     3.4
 Female
   0 times                   79.4    79.9    77.7    78.7    81.9
   1 or 2 times               8.6     8.0     9.4     9.1     7.8
   3 to 9 times               5.7     6.1     6.0     5.6     4.9
   10 to 19 times             3.1     2.8     3.3     3.4     2.7
   20 to 39 times             1.7     1.8     1.9     1.6     1.5
   40 or more times           1.5     1.4     1.7     1.5     1.2
 Male
   0 times                   75.6    78.5    74.5    74.4    74.2
   1 or 2 times               7.5     7.6     7.9     7.6     6.8
   3 to 9 times               5.9     5.5     6.8     5.9     5.4
   10 to 19 times             3.5     3.1     3.5     3.9     3.7
   20 to 39 times             3.3     2.3     3.6     3.5     4.3
   40 or more times           4.1     3.0     3.8     4.7     5.6
 ----------------------------------------------------------------
                            Total N =
                              31,934
 
           Q55. During the past 30 days, how many times
                      did you use marijuana?
                      Unweighted Frequencies
 ----------------------------------------------------------------
                           Total               Grade
                                  -------------------------------
                                    9th    10th    11th    12th
 ----------------------------------------------------------------
 0 times                   24,488   7,483   6,641   5,583   4,781
 1 or 2 times               2,588     736     753     621     478
 3 to 9 times               1,911     560     572     432     347
 10 to 19 times             1,101     308     320     269     204
 20 to 39 times               816     213     237     186     180
 40 or more times             970     227     268     239     236
 Female
   0 times                 12,791   3,852   3,411   2,974   2,554
   1 or 2 times             1,397     389     416     336     256
   3 to 9 times               955     291     271     217     176
   10 to 19 times             515     152     151     127      85
   20 to 39 times             296      90      87      67      52
   40 or more times           283      80      81      67      55
 Male
   0 times                 11,697   3,631   3,230   2,609   2,227
   1 or 2 times             1,191     347     337     285     222
   3 to 9 times               956     269     301     215     171
   10 to 19 times             586     156     169     142     119
   20 to 39 times             520     123     150     119     128
   40 or more times           687     147     187     172     181
 ----------------------------------------------------------------
                            Total N =
                              31,934
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