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. Author manuscript; available in PMC: 2021 Mar 1.
Published in final edited form as: Psychol Addict Behav. 2020 Jan 16;34(2):370–381. doi: 10.1037/adb0000545

Table 1.

Sociodemographic, Psychosocial, and Substance Use Differences between SAM Users, CAM Users, and Alcohol-only Users (N = 1,206)

Variable χ2 or F Effect size (Φ or η2) SAM Users (N = 678) CAM Users (N = 249) Alcohol only Users (N = 279)
School# 17.97** .12
 A (illegal) 29.4%a 34.8%b 35.8%b
 B (decriminalized) 35.3% 26.9% 38.8%
 C (legal for 21+) 36.0% 37.2% 26.8%
Birth sex# 5.63 .07
 Male 38.8%a 38.2%a 30.8%b
 Female 61.2% 61.8% 69.2%
Gender# 9.03 .09
 Male 38.9%a 38.8%a 30.8%a
 Female 59.5% 59.0% 67.7%
 Other 1.6% 3.2% 1.4%
Age# 3.43 .05
 21+ 32.7%a 31.7%a 38.4%a
Race# 16.31* .12
 Asian 11.4%a 16.1%b 14.0%a
 Black 3.3% 1.6% 4.3%
 White 71.1% 61.7% 69.9%
 Multi-racial 9.3% 12.9% 7.9%
 Other 4.9% 3.9% 3.9%
Ethnicity# 9.18* .09
 Hispanic/Latinx 12.2%a 17.3%b 8.6%a
Delinquent# 26.01*** .15
 Yes 16.7%a 8.4%b 5.4%b
Positive Urgency+ 8.91*** .02 11.4 (3.7)a 10.6 (3.5)b 10.4 (3.6)b
Negative Urgency+ 3.41* .01 12.2 (4.1)a 11.5 (4.2)b 11.6 (4.2)b
Sensation Seeking+ 6.72** .01 15.5 (4.1)a 14.9 (4.4)ab 14.4 (4.1)b
3-mo frequency alcohol use+ 34.73*** .05 20.2 (16.7)a 12.3 (12.5)b 13.4 (13.4)b
30-day freq heavy drink+ 33.76*** .05 4.0 (4.1)a 2.4 (3.4)b 2.2 (2.9)b
3-mo freq marijuana use+ 82.71*** .08 33.6 (33.6)a 12.6 (22.9)b --
Hours high typical week+ 68.94*** .07 11.7 (13.6)a 4.2 (6.4)b --
Past-year freq SAM use+ 35.49*** .10 26.90(42.68)a 4.93 (9.62) b 4.13 (7.15)c
Total consequences+ 74.39*** .11 8.8 (6.1)a 6.0 (4.9)b 4.3 (4.0)c
Alcohol-attributed conseq+ 7.36*** .01 5.4 (4.7)a 4.7 (4.7)b 4.3 (4.0)b
Marijuana-attributed conseq+ 25.71*** .03 3.5 (4.0)a 2.1 (2.9)b --
SAM-attributed conseq+ -- -- 2.3 (3.4) -- --
#

Percentages, chi-square coefficients, and phi coefficients presented;

+

Means (and standard deviations), F-tests (df = 2, 1203), and eta-squared presented.

Assessed at baseline.

Means in a row without a common superscript letter significantly differ at p <  0.05.

Other gender includes Trans male/Trans man; Trans female/Trans woman; Gender queer/Gender non-conforming; Different identity.

Other race includes American Indian, Pacific Islander, and “Other.”

Freq = frequency; Conseq = consequence score.

*

p < .05;

**

p < .01;

***

p < .001