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. Author manuscript; available in PMC: 2023 Jan 6.
Published in final edited form as: Subst Abus. 2021 Apr 2;42(4):487–492. doi: 10.1080/08897077.2021.1901176

Table 1.

Prevalence of past 3-month substance use and level of risk based on the ASSIST scores by sex, race/ethnicity, and age group (n = 2,000).

Sample size Total N ASSIST score category Past 3-month use Row % (95% CI)

No use Row % (95% CI) Low-risk usea Row % (95% CI) Moderate/high-risk useb Row % (95% CI)

Tobacco
 Overall 2,000 26.3 (24.4–28.3) 28.6 (26.7–30.7) 45.1 (42.9–47.2) 42.0 (39.9–44.2)
Sex
 Males 874 18.5 (16.1–21.2) 25.5 (22.7–28.5) 55.9 (52.6–59.2) 52.9 (49.5–56.2)
 Females 1,124 32.4 (29.7–35.2) 31.1 (28.5–33.9) 36.5 (33.7–39.3) 33.5 (30.8–36.4)
Race/ethnicity
 White, non-Hispanic 577 21.1 (18.0–24.7) 30.7 (27.1–34.6) 48.2 (44.1–52.3) 42.8 (38.8–46.9)
 Black/African American, non-Hispanic 1,058 26.0 (23.4–28.7) 27.0 (24.4–29.8) 47.0 (44.0–50.0) 44.1 (41.2–47.1)
 Hispanic 233 30.9 (25.3–37.1) 30.9 (25.3–37.1) 38.2 (32.2–44.6) 37.8 (31.8–44.1)
 Other/unknown 132 43.2 (35.0–51.7) 28.8 (21.8–37.0) 28.0 (21.1–36.2) 28.8 (21.8–37.0)
Age in years
 18–25 225 35.1 (29.2–41.6) 28.4 (22.9–34.7) 36.4 (30.4–42.9) 42.2 (36.0–48.8)
 26–34 301 27.6 (22.8–32.9) 31.2 (26.3–36.7) 41.2 (35.8–46.8) 42.9 (37.4–48.5)
 35–49 528 24.4 (21.0–28.3) 27.5 (23.8–31.4) 48.1 (43.9–52.4) 44.9 (40.7–49.2)
 50+ 946 24.8 (22.2–27.7) 28.5 (25.8–31.5) 46.6 (43.5–49.8) 40.1 (37.0–43.2)
Alcohol
 Overall 2,000 10.3 (9.1–11.8) 75.5 (73.6–77.3) 14.1 (12.7–15.7) 53.9 (51.7–56.1)
Sex
 Males 874 6.4 (5.0–8.2) 72.4 (69.4–75.3) 21.2 (18.6–24.0) 59.6 (56.3–62.8)
 Females 1,124 13.4 (11.6–15.6) 77.8 (75.3–80.2) 8.7 (7.2–10.5) 49.4 (46.5–52.3)
Race/ethnicity
 White, non-Hispanic 577 5.9 (4.2–8.1) 79.5 (76.1–82.6) 14.6 (11.9–17.7) 58.2 (54.2–62.2)
 Black, non-Hispanic 1,058 11.1 (9.3–13.1) 74.5 (71.8–77.0) 14.5 (12.5–16.7) 51.6 (48.6–54.6)
 Hispanic 233 11.6 (8.1–16.3) 74.7 (68.7–79.8) 13.7 (9.9–18.7) 56.2 (49.8–62.4)
 Other/unknown 132 22.0 (15.8–29.8) 67.4 (59.0–74.8) 10.6 (6.4–17.0) 49.2 (40.9–57.7)
Age in years
 18–25 225 8.9 (5.8–13.3) 82.7 (77.2–87.1) 8.4 (5.5–12.8) 63.6 (57.1–69.6)
 26–34 301 5.3 (3.3–8.5) 77.7 (72.7–82.1) 16.9 (13.1–21.6) 67.1 (61.6–72.2)
 35–49 528 9.7 (7.4–12.5) 76.3 (72.5–79.8) 14.0 (11.3–17.2) 57.8 (53.5–61.9)
 50+ 946 12.7 (10.7–15.0) 72.6 (69.7–75.4) 14.7 (12.6–17.1) 45.2 (42.1–48.4)
Drugsc
 Overall 2,000 33.5 (31.4–35.5) 37.6 (35.5–39.7) 28.9 (27.0–31.0) 24.2 (22.4–26.1)
Sex
 Males 874 20.0 (17.5–22.8) 39.5 (36.3–42.8) 40.5 (37.3–43.8) 33.5 (30.5–36.7)
 Females 1,124 44.0 (41.1–46.9) 36.1 (33.4–39.0) 19.9 (17.7–22.4) 16.9 (14.8–19.2)
Race/ethnicity
 White, non-Hispanic 577 31.7 (28.1–35.6) 44.4 (40.4–48.4) 23.9 (20.6–27.6) 21.5 (18.3–25.0)
 Black, non-Hispanic 1,058 30.9 (28.2–33.8) 36.5 (33.6–39.4) 32.6 (29.9–35.5) 25.4 (22.9–28.1)
 Hispanic 233 40.3 (34.3–46.7) 30.5 (24.9–36.7) 29.2 (23.7–35.3) 26.6 (21.3–32.6)
 Other/unknown 132 49.2 (40.9–57.7) 29.5 (22.4–37.8) 21.2 (15.1–28.9) 22.0 (15.8–29.8)
Age in years
 18–25 225 35.1 (29.2–41.6) 36.0 (30.0–42.5) 28.9 (23.4–35.1) 32.9 (27.1–39.3)
 26–34 301 31.2 (26.3–36.7) 37.2 (31.9–42.8) 31.6 (26.6–37.0) 33.9 (28.8–39.4)
 35–49 528 32.2 (28.4–36.3) 39.6 (35.5–43.8) 28.2 (24.5–32.2) 23.7 (20.2–27.5)
 50+ 946 34.5 (31.5–37.5) 37.0 (34.0–40.1) 28.5 (25.8–31.5) 19.3 (17.0–22.0)
Opioidsd,e
 Overall 2,000 79.7 (77.8–81.4) 11.3 (9.9–12.7) 9.0 (7.9–10.4) 5.3 (4.4–6.4)
Sex
 Males 874 71.5 (68.4–74.4) 16.1 (13.8–18.7) 12.2 (10.2–14.6) 8.0 (6.4–10.0)
 Females 1,124 85.9 (83.8–87.9) 7.5 (6.1–9.2) 6.6 (5.3–8.2) 3.2 (2.3–4.4)
Race/ethnicity
 White, non-Hispanic 577 78.9 (75.3–82.0) 13.7 (11.1–16.7) 7.3 (5.4–9.7) 4.3 (3.0–6.3)
 Black, non-Hispanic 1,058 79.0 (76.5–81.4) 10.8 (9.0–12.8) 10.2 (8.5–12.2) 5.4 (4.2–6.9)
 Hispanic 233 79.4 (73.7–84.1) 10.3 (7.0–14.9) 10.3 (7.0–14.9) 7.7 (4.9–11.9)
 Other/unknown 132 88.6 (82.1–93.0) 6.1 (3.1–11.5) 5.3 (2.6–10.5) 4.5 (2.1–9.6)
Age in years
 18–25 225 89.8 (85.1–93.1) 7.1 (4.4–11.2) 3.1 (1.5–6.3) 4.0 (2.1–7.4)
 26–34 301 81.1 (76.3–85.1) 11.6 (8.5–15.7) 7.3 (4.9–10.8) 5.0 (3.0–8.1)
 35–49 528 77.3 (73.5–80.6) 11.2 (8.8–14.1) 11.4 (8.9–14.4) 7.6 (5.6–10.2)
 50+ 946 78.1 (75.4–80.6) 12.2 (10.2–14.4) 9.7 (8.0–11.8) 4.4 (3.3–5.9)

CI: confidence interval.

a

Low-risk score on the ASSIST for drugs = 0–3; low-risk score for alcohol = 0–10.

b

Moderate/high-risk score on the ASSIST for drugs = ≥4; moderate/high-risk score for alcohol = ≥11.

c

Includes cannabis, cocaine, amphetamine type stimulants, inhalants, sedatives or sleeping pills, hallucinogens, opioids, and other drugs.

d

Includes prescription opioids and heroin.

e

One participant reported lifetime opioid use but had missing ASSIST score.