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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Subst Abus. 2017 Jun 16;38(4):376–381. doi: 10.1080/08897077.2017.1343217

Table 1.

Background Characteristics and Alcohol Use Outcomes by Use of Energy Drink Use Typology. Reported Cell Values are Means (±SD) or n (%).

Sample (n = 481) ENERGY DRINK USE
F- or χ2 (p = )
None (n = 243) Not w Alcohol (n = 88) With Alcohol (n = 150)
Years Age 21.3 (± 2.07) 21.5 (± 2.10)a 21.1 (± 2.17) 20.9 (± 1.91) 5.04 (.010)
Gender (Male) 231 (48.0%) 99 (40.7%)a 48 (54.6%) 84 (56.0%) 10.49 (.005)
Non-Latino White 317 (65.9%) 144 (59.3%)a 62 (70.5%) 111 (74.0%) 9.96 (.007)
School Status
 Full-Time 236 (49.1%) 106 (43.6%) 51 (58.0%) 79 (52.7%) 6.51 (.164)
 Part-Time 58 (12.1%) 33 (13.6%) 9 (10.2%) 16 (10.7%)
 Not In School 187 (38.9%) 104 (42.8%) 28 (31.8%) 55 (36.7%)
Age First Used Alcohol 15.6 (± 2.32) 16.0 (± 2.28)a 15.6 (± 2.39) 15.0 (± 2.20) 8.78 (<.001)
Days Alcohol Use / 30 7.88 (± 5.49) 7.51 (± 5.56)a 6.51 (± 5.32)b 9.27 (± 5.21) 8.30 (<.001)
Days Binged / 30 3.79 (± 4.15) 3.00 (± 3.74)a 3.11 (± 3.84)b 5.47 (± 4.48) 17.22 (<.001)
SIP 6.30 (± 6.26) 5.81 (± 5.98)a 4.49 (± 4.38)b 8.15 (± 7.16) 11.42 (<.001)
DSM-V AUD Severityc
 No Disorder 280 (58.2%) 157 (64.6%)a 60 (68.2%)b 63 (42.0%)
 Mild Disorder 105 (21.8%) 45 (18.5%) 19 (21.6%) 41 (27.3%) 31.09 (<.001)
 Moderate Disorder 68 (14.1%) 25 (10.3%) 9 (10.2%) 34 (22.7%)
 Severe Disorder 28 (5.8%) 16 (6.6%) 0 (0.0%) 12 (8.0%)

SIP = Short Inventory of Problems; AUD = Alcohol Use Disorder

a

No energy drink use significantly (p < .05) different than concurrent energy drink use with alcohol, based on Holm-Bonferroni corrected p-value.

b

Energy drink alone significantly (p < .05) different than concurrent energy drink use with alcohol, based on Holm-Bonferroni corrected p-value.

c

P-values for pairwise between group comparisons on alcohol use disorder severity were estimated by ordered logistic regression.