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. Author manuscript; available in PMC: 2010 Jul 12.
Published in final edited form as: J Drug Issues. 2009;39(3):677–714. doi: 10.1177/002204260903900310

Table 8.

Reasons for Amphetamine Use: Multivariate Analyses among Past 12-Month Users

Reason for Use Gender Race/Ethnicity Drug Use Level
Females Males White Black Hispanic Experiment Occasional Heavier
% % OR % % OR % OR % % OR % OR
Social/recreational
 To have a good time 28.4 (ref) 34.2 1.34*** 31.5 (ref) 22.9 0.74 26.9 0.83 21.7 (ref) 29.8 1.54*** 35.2 2.00***
 To experiment 48.0 (ref) 57.3 1.43*** 52.5 (ref) 50.7 0.84 46.1 0.76* 63.2 (ref) 57.2 0.77*** 45.2 0.47***
 To get high 45.1 (ref) 53.6 1.44*** 49.8 (ref) 36.8 0.70* 37.1 0.65** 33.3 (ref) 47.9 1.86*** 55.3 2.54***
 Because of boredom 13.8 (ref) 17.4 1.36*** 15.6 (ref) 16.0 1.19 11.2 0.68 9.4 (ref) 13.4 1.49** 18.8 2.27***
 To fit in 3.6 (ref) 4.6 1.29* 4.2 (ref) 1.8 0.41* 3.4 0.77 4.6 (ref) 3.7 0.78 4.1 0.87
Coping with negative affect
 To relax 20.6 (ref) 18.1 0.86* 19.6 (ref) 18.2 0.98 17.5 0.73 12.8 (ref) 20.5 1.76*** 21.4 1.92***
 To get away from problems 13.9 (ref) 8.7 0.59*** 11.4 (ref) 9.3 0.84 17.2 1.54** 6.7 (ref) 11.0 1.76*** 13.7 2.27***
 Because of anger/frustration 10.1 (ref) 6.7 0.64*** 8.5 (ref) 6.6 0.82 11.3 1.26 6.0 (ref) 7.4 1.27 10.2 1.81***
Drug effect
 To increase drug effects 6.7 (ref) 13.2 2.24*** 9.7 (ref) 9.7 1.27 7.6 0.79 4.3 (ref) 7.3 1.75** 13.0 3.51***
 To decrease drug effects 1.5 (ref) 4.1 3.02*** 2.7 (ref) 1.2 0.57 3.2 1.36 0.6 (ref) 1.4 2.57** 4.1 8.17***
Compulsive use
 To get through the day 26.2 (ref) 25.4 0.98 26.3 (ref) 13.9 0.53** 23.9 1.01 10.9 (ref) 18.9 1.92*** 35.4 4.45***
 Because I am hooked 2.8 (ref) 1.7 0.66* 2.1 (ref) 2.9 1.85 5.1 1.73* 0.2 (ref) 0.7 3.58* 4.0 24.53***
Coping with physical needs
 To stay awake 55.0 (ref) 53.2 0.94 55.5 (ref) 29.7 0.39*** 42.5 0.70** 32.6 (ref) 47.2 1.87*** 66.1 3.94***
 To get more energy 63.3 (ref) 59.1 0.85* 62.8 (ref) 33.4 0.33*** 50.1 0.67*** 40.1 (ref) 56.7 1.98*** 71.9 3.71***
Miscellaneous
 To seek deeper insights 3.9 (ref) 6.7 1.89*** 5.0 (ref) 8.9 2.27** 5.7 0.99 2.8 (ref) 5.3 1.94** 5.8 2.41***
 To lose weight 55.5 (ref) 11.3 0.09*** 35.5 (ref) 37.7 1.19 37.7 1.31* 22.3 (ref) 29.3 1.60*** 44.2 3.33***

Note: All models controlled for year using year dummies.

*

p<.05;

**

p<.01;

***

p<.001