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. Author manuscript; available in PMC: 2023 Apr 17.
Published in final edited form as: J Psychopharmacol. 2021 Oct 26;35(11):1420–1430. doi: 10.1177/02698811211050563

Table 1.

Comparison of Intake Sample Demographics and Methamphetamine/Other Drug Use (N=34).

VARIABLE D-AMP (N= 17) PLACEBO (N= 17)
N (%) or Mean (SD) N (%) or Mean (SD) p-value
Gender
 Male 9 (53%) 9 (53%) 1.0000
 Female 8 (47%) 8 (47%)
Age (20–65) 40.25 (9.31) 34.18 (7.33) .0450
Race/Ethnicity
 White 17 (100%) 17 (100%) N/A
 Other 0 0
Education
 Less than High School Education 2 (13%) 5 (29%) 0.3983
 High School Graduate or Higher 14 (87%) 12 (71%)
Employment Status
 Employed 4 (25%) 3 (18%) 0.6880
 Unemployed 12 (75%) 14 (82%)
Relationship Status
 Married/Separated/Divorced 14 (87%) 10 (59%) 0.1175
 Never Married 2 (13%) 7 (41%)
Methamphetamine Use
 Days Used Per Week 5.50 (1.67) 5.91 (1.35) 0.5813
 Grams Used Per Day 1.39 (0.97) 1.17 (0.80) 0.625
 Age First Used 24.06 (8.96) 20.03 (5.06) 0.2204
 Years of Regular Use 12.64 (6.89) 11.03 (6.56) 0.4847
 Use Intravenously 9 (50%) 9 (53%) 0.8619
Other Drug Use (Past 30 days)
 Alcohol 7 (39%) 7 (41%) 0.8902
 Benzodiazepines 2 (11%) 5 (29%) 0.1761
 Cannabis 10 (56%) 8 (47%) 0.6152
 Cocaine 0 (0%) 2 (12%) 0.1340
 Opioids 1 (6%) 5 (29%) 0.0613
 Tobacco 16 (89%) 15 (88%) 0.9516