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. Author manuscript; available in PMC: 2008 Nov 1.
Published in final edited form as: J Adolesc Health. 2008 Jun 16;43(5):490–497. doi: 10.1016/j.jadohealth.2008.03.003

Table 2.

Unadjusted Mean Comparisons by Race and Level of Energy Drink Consumption

Race Energy Drink Consumption
Total (n=602) Whites (n=523) Blacks (n=79) Low (n=538) High (n=60)
Race (1=nonwhite) .13 ----- ----- .14 .07
Sex (1=female) .48 .49 .47 .52 .22***
Age 19.98 19.94 20.23 19.96 20.12
Years Parental Education 15.63 15.73 15.01** 15.61 15.90
College GPA (1.00-4.00) 2.98 3.02 2.74*** 3.00 2.86+
Energy Drink Frequency 1.85 1.91 1.47 .68 12.38***
Any Energy Drink, past month (=1) .38 .40 .25* .31 1.00***
Cigarette Use 4.47 5.02 .89*** 3.72 11.37***
Alcohol Use 7.31 8.00 2.72*** 6.65 13.20***
Alcohol Problems (5 items) 11.16 12.38 3.04*** 9.79 23.07***
Marijuana Use 13.13 14.35 5.11*** 12.13 21.86**
Prescription Drug Use 1.81 1.95 .87 1.41 5.02***
Sexual Risk-taking (7 items) 1.66 1.66 1.59 1.57 2.38***
Serious Physical Fight (=1) .16 .16 .15 .13 .42***
Seatbelt Omission (=1) .66 .66 .70 .64 .82**
Risk on a Dare (=1) .27 .28 .20 .23 .63***
Extreme Sport (=1) .29 .32 .11*** .27 .48**
***

p<.001

**

p<.01

*

p<.05

+

p<.10

Total N for high/low energy drink consumption is only 598 due to missing cases.