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. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: Drug Alcohol Depend. 2016 Oct 15;169:41–47. doi: 10.1016/j.drugalcdep.2016.10.008

Table 1.

Demographic and Cannabis Use Variables at Screening (N = 1,485)1

N (%) or Mean (SD)
Age 45.1 (13.0)
Gender
    Female 634 (42.7%)
    Male 850 (57.2%)
    Transsexual 1 (0.1%)
Race/Ethnicity
    African American 141 (9.5%)
    Caucasian 1293 (87.1%)
    Other 51 (3.4%)
Education
    Less than high school/High school graduate 508 (34.2%)
    Some college/College graduate 977 (65.8%)
Marital Status
    Married or long-term relationship 819 (55.9%)
    Divorced/separated/widowed 326 (22.2%)
    Never married 321 (21.9%)
Employment Status
    Work full-time or part-time 686 (46.9%)
    Disability 426 (29.1%)
    Retired 166 (11.4%)
    Unemployed 100 (6.8%)
    Other 84 (5.7%)
Past 6 Months Cocaine Use
    No 1417 (96.9%)
    Yes 46 (3.1%)
Past 6 Months Methamphetamine Use
    No 1443 (98.8%)
    Yes 18 (1.2%)
Past 6 Months Nonmedical Stimulant Use
    No 1421 (97.2%)
    Yes 41 (2.8%)
Past 6 Months Nonmedical Sedative Use
    No 1383 (94.7%)
    Yes 77 (5.3%)
Past 6 Months Nonmedical Opioid Use
    No 1397 (96.3%)
    Yes 53 (3.7%)
Frequency of Past 6 Months Alcohol Use 1.2 (1.3)
Any Past 6 Months Heavy Alcohol Use
    No 1049 (72.5%)
    Yes 398 (27.5%)
Currently Have a MMJ Card
    No 498 (33.9%)
    Yes 972 (62.1%)
Past 6 Months Frequency of Cannabis Use
    Never 90 (6.1%)
    Monthly 37 (2.5%)
    Weekly 176 (12.0%)
    Daily or almost daily 1084 (74.0%)
Past 1 Month Quantity of Cannabis Use in
    None 140 ( 9.7%)
    Less than 1/8 of an oz. 228 (15.8%)
    1/8 to slightly less than ¼ of an oz 302 (21.0%)
    ¼ to slightly less than ½ of an oz 326 (22.6%)
    ½ to slightly less than 1 oz 236 (16.4%)
    One or more ounces 208 (14.5%)
Past 1 Month Number of Hours Felt High 2.8 (1.3)
Past 1 Month Cannabis Vaping
    Yes 511 (38.7%)
    No 809 (61.3%)
Routes of Cannabis Administration in Past 1 Month Among Vapers (n = 511)
    Vaping only 30 (5.9%)
    Vaping and smoking 182 (35.6%)
    Vaping and eating 28 (5.5%)
    Vaping and topical 2 (0.4%)
    Vaping, smoking, and eating 186 (36.4%)
    Vaping, smoking, and topical 11 (2.1%)
    Vaping, eating, and topical 5 (1.0%)
    Vaping, smoking, eating, and topical 67 (13.1%)
1

Due to missing data and panned missingness, Ns ranged from 1,310 to 1,468.