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. Author manuscript; available in PMC: 2020 Jun 4.
Published in final edited form as: J Addict Med. 2019 Aug 8;14(3):199–206. doi: 10.1097/ADM.0000000000000556

Table 4. Impulsive Behaviors and Psychiatric History of University Students Based on Nonmedical Use of Prescription Sedative/Tranquilizers.

Variable Students who currently misuse prescription Sedative/Tranquilizers
(n= 73)
Students who have misused prescription Sedative/Tranquilizers in the pas
(n=94)
Students who have never misused prescription Sedative/Tranquilizers
(n=3358)
Statistic
Likelihood Ratio
P-Value Effect Size
Cramer’s V
Amount of caffeinated soft drinks consumed over the past week n(%)
    •    Never
    •    1-2 drinks 34(47.2) 40(43.5) 1590(48.2) LR=22.345 df=10 .011 .070
    •    3-6 drinks 13(18.1) 30(32.6) 1076(32.6)
    •    7-12 drinks 12(16.7) 12(13.0) 420(12.7)
    •    13-23 drinks 5(6.9) 6(6.5) 145(4.3)
    •    24 or more drinks 6(8.3) 3(3.3) 47(1.4)
2(2.8) 1(1.1) 1(1.1)

Gambling disorder? 3(20.0) 1(6.7) 10(3.7) LR=5.207 df=2 .074 .169
    •    Positive screen

Binge eating disorder? 4(5.6) 5(5.8) 74(2.3) LR=5.208 .074 .045
    •    Positive screen

Has been treated for drug/alcohol use problems 7(9.7) 14(15.2) 41(1.2) LR=55.832 df=2 <.001 * .190
    •    Yes

Has been treated for psychological/emotional problems
    •    Yes 43(59.7) 53(57.6) 930(28.4) LR=61.364 df=2 <.001 * .141

Currently taking prescribed mental health medication(s) 34(47.2) 32(34.8) 408(12.4) LR=77.313 df=2 <.001 * .176
    •    Yes

Has used drugs in order to lose weight 19(39.6) 13(23.6) 103(6.8) LR=51.885 df=2 <.001 * .226
    •    Yes

PHQ-9 Total LR=19.837 df=2 <.001 * .098
    •    Score of 10 or more 13(18.1) 6(6.8) 134(4.2)

PTSD LR=51.849 df=2 <.001 * .144
    •    Positive screen 33(46.5) 23(25.3) 434(13.4)

Anxiety total Grouped
    •    No Anxiety (score 0-4) 18(25.0) 34(37.8) 1897(59.5) LR=67.314 df=6 <.001 * .114
    •    Mild (score 5-9) 21(29.2) 36(40.0) 751(23.5)
    •    Moderate (score 10-14) 13(18.1) 11(12.2) 348(10.9)
    •    Severe (score 15-21) 20(27.8) 9(10.0) 193(8.1)

ADHD 28(39.4) 27(29.7) 535(16.7) LR=28.440 df=2 <.001 * .101
    •    Positive screen

Rosenberg Self-esteem scale 22(31.0) 19(21.1) 450(14.3) LR=15.173 df=2 .001 * .074
    •    Less than 15

Data refer to N (percentage).

*

p<0.05 Bonferroni corrected.