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. 2021 Jul 15;122:107052. doi: 10.1016/j.addbeh.2021.107052

Table 1.

Demographic characteristics pre-COVID-19.

Variable M(SD) or N(%)
Age 34.5 (3.67)
Sex (men) 1091 (88.7%)
Race/ethnicity
White 975 (79.3%)
Hispanic/Latino/a 134 (10.9%)
Black 90 (7.3%)
Asian 13 (1.1%)
Multiracial/other 18 (1.5%)
Combat scale 5.02 (2.35)
Mental Health (positive screen)
PTSD 397 (32.3%)
COVID-19 Time-varying Co-variates
Negative reactions to COVID-19 1.22 (0.49)
Loneliness 48.8 (7.07)
Economic hardship 477 (38.8%)
Days of Substance Use
Alcohol use Time 1 (past month) 11.1 (5.98)
Alcohol use Time 2 (past month) 8.82 (6.05)
Alcohol use Time 3 (past month) 9.54 (5.0)
Alcohol use Time 4 (past month) 9.13 (5.02)
Binge drinking Time 1 (past month) 4.99 (4.02)
Binge drinking Time 2 (past month) 3.39 (3.14)
Binge drinking Time 3 (past month) 2.33 (2.24)
Binge drinking Time 4 (past month) 2.42 (2.66)

Note: PTSD = Posttraumatic Stress Disorder.

Continuous variable ranges: all alcohol use and binge drinking variables are past 30-day, range 0–30; negative reactions to COVID-19 (0–4); loneliness (20–80); economic hardship (0–1); combat scale (0–12).