Skip to main content
. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: Am J Drug Alcohol Abuse. 2017 Dec 20;44(4):441–451. doi: 10.1080/00952990.2017.1402335

Table 3.

Covariate descriptives

Covariate % (SE%)
Gender
 Female 48.4% (0.3)
 Male 46.0% (0.3)
 Missing 5.6%
Race/Ethnicity
 White 70.9% (0.6)
 Black/African American 9.2% (0.4)
 Hispanic 7.7% (0.3)
 Other Races 7.0% (0.2)
 Missing 5.1%
Parent Education
 High school or less 33.0% (0.4)
 Some college or more 59.3% (0.4)
 Missing 7.7%
High school grades
 Grades of B- or better 70.0% (0.3)
 Grades of C+ or lower 21.8% (0.3)
 Missing 8.2%
Four-year college graduation plans
 No definite plans to graduate 45.7% (0.4)
 Definitely plan to graduate 43.4% (0.4)
 Missing 10.9%
Evenings out for fun/recreation
 Less than 3 evenings out/week 44.9% (0.2)
 Three or more evenings out/week 45.0% (0.2)
 Missing 10.1%
Truancy
 No classes cut in the past month 57.6% (0.3)
 Any classes cut in the past month 31.0% (0.3)
 Missing 11.4%
Illicit drug use other than marijuana (IOTM)
 No past 12-month IOTM use 67.0% (0.3)
 Any past 12-month IOTM use 23.5% (0.3)
 Missing 9.5%
Cohorta
 1976–1985 33.0% (1.1)
 1986–1995 26.5% (1.0)
 1996–2005 20.6% (0.8)
 2006–2016 19.9% (0.8)

Notes: Unweighted N = 84,805; estimates provided account for the complex sample design. (SE%) = standard error of the percentage (SE not reported for missing dummy terms).

a

No missing data for this covariate.