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Residency Differences in Alcohol and Drug Use Among
CU-Boulder Undergraduates Spring 1998

1. Out-of-state students:
   • Tend to drink more often and more heavily than in-state students.
   • Are at more likely to ride with a drunk/high driver in the last month.
   • Are more likely to have used marijuana in the last month.
   • Are more likely to be binge drinkers both in High School and college, while in-state students are more likely to not binge in either High School or college.
   • Report more negative outcomes due to drinking, such as having a hangover or missing a class.
   • Report higher incidences of being insulted or humiliated as a result of another student’s drinking, and also of getting into a serious argument or quarrel.

                                                    Out-of	Out-of-state
                                        In-state     state	 Relative to
								  In-state
 Total Number                                218      165

Alcohol and Drug Consumption by 
Students -  % Who:
 Abstain                                    13%       7%			
 Drank, but did not binge                   35%      23%		-
 Binged 1-2 times in the past two weeks     26%      25%
 Binged 3 or more times in past 2 weeks     26%      44%		+

 Drank 10 or more times in past month       25%      40%		+
 Usually binge when drinking                40%      54%		+
 Drunk 3 or more times in the past month    35%      48%		+
 Drink to get drunk                         71%      72%
 Consider themselves problem drinkers        0%       1%
 Ever thought they had a drinking problem    8%      12%

 Drove after drinking in past month         32%      34%
 Drove after 5+ drinks in past month         8%       9%
 Rode with drunk/high driver past month     28%      37%		+

 Smoked cigarettes in past month            38%      39%
 Used marijuana in past month               25%      45%		+
 Used any drug past month (including MJ)    31%      47%			

High School and College Binge 
Drinking Behavior - % Who:
 No binge in HS or college                  40%      22%		-
 Binge in college, not HS                   22%      24%
 Binged in HS, not college                   7%       7%
 Binged in HS and college                   29%      45%		+

                                                    Out-of	Out-of-state
                                        In-state     state	 Relative to
								  In-state
 Total Number                                218      165

% of Students Reporting Drinking has 
Caused Them to:
 Have a hangover                            69%      84%		+
 Miss a class                               39%      55%		+
 Get behind in schoolwork                   36%      39%			
 Do something they regret                   44%      47%
 Argue with friends                         26%      32%		+
 Engage in unplanned sex                    32%      34%
 Engage in unprotected sex                  10%      13%
 Damage property                            16%      15%
 Into trouble with police                    8%       7%
 Get hurt or injured                        16%      23%		+
 Medical treatment for overdose              1%       1%
 Had 5 or more alcohol-related problems     27%  	 37%		+
(excluding hangover but including
      drinking after driving)

% of Students who have Experienced Problems 
Due to Other Students’ Drinking:
 Been insulted/humiliated                   35%      41%		+
 Serious argument or quarrel                28%      34%		+
 Been pushed/hit/assaulted                  19%      17%
 Had property damaged                       23%      25%
 Had to ‘babysit’ drunk                     63%      65%
 Interrupted studying/sleep                 61%      64%
 Victim of unwanted advance                 35%      37%
 Victim of sexual assault/date rape          3%       3%

Alcohol Survey Index

Last revision 07/08/05