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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Am J Addict. 2015 Sep 1;24(7):582–585. doi: 10.1111/ajad.12271

Table 1.

Profile of Internet Access of Individuals with Urinalysis-Confirmed Cocaine Use

Internet Access
No (n = 20; 30%)
Mean (SEM)
Yes (n = 46; 70%)
Mean (SEM)
p
Demographics
Age (years) 44 (1.2) 38.8 (1.2) < 0.01
Education (years) 11.2 (0.4) 11.8 (0.2) 0.18
% Female 30% 45.7% 0.28
% Smokers 95% 91.3% 1
% Caucasian 10% 30.4% 0.12
Past Month Income $552 (148) $592 (110) 0.83
Past Year Income $5792 (1310) $7732 (1242) 0.29
% Employed 15% 22% 0.74
Drug Use Behavior
MAST 14.7 (2.6) 11.1 (1.6) 0.24
DAST 13.7 (1.7) 11.4 (0.8) 0.24
Cigarettes / day 10.7 (1.5) 14.9 (1.3) 0.04
Drinks / week 33.1 (7.7) 20.8 (3.4) 0.16
Past Year Heavy Drinking Days 54.9 (16.4) 91.1 (27.7) 0.26
COC days / month 15.5 (1.9) 14.3 (1.2) 0.62
% Reported Past Month Use
THC 75% 78.3% 0.76
Other 25% 58.7% 0.02
% Positive Urines
COC only 55% 58.7% 0.79
COC and THC 40% 39.1% 1
COC, THC, and Other 5% 13% 0.42

Note. MAST = Michigan Alcoholism Screening Test (range of possible scores = 0 to 53); DAST = Drug Abuse Screening Test (range of possible scores = 0 to 28); COC = cocaine; THC = tetrahydrocannabinol. Heavy drinking days were defined using the NIAAA guidelines of 5 or more drinks for males and 4 or more drinks for females per drinking occasion. Internet access was treated dichotomously as self-reported Internet use in the past 30 days.