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. 2023 Apr 28;72(1):22–28. doi: 10.15585/mmwr.su7201a3

TABLE 5. Adjusted prevalence ratios for suicide risk and substance use behavior, by gun carrying — Youth Risk Behavior Survey, United States, 2021*.

Risk/Behavior No, gun carrying
% (95% CI) Yes, gun carrying
% (95% CI) aPR
(95% CI)
Suicide risk
Seriously considered attempting suicide§
21.7 (20.7–22.9)
40.2 (35.2–45.5)
2.0 (1.8–2.3)
Attempted suicide§
9.3 (8.5–10.1)
36.4 (30.1–43.2)
3.7 (3.1–4.5)
Substance use
Current binge drinking
9.7 (8.7–10.9)
38.2 (30.5–46.7)
3.9 (3.1–4.8)
Current marijuana use**
14.8 (13.3–16.4)
51.2 (42.8–59.5)
3.3 (2.8–3.9)
Lifetime prescription drug misuse
11.2 (10.4–12.1)
43.5 (36.5–50.9)
4.0 (3.2–5.0)
Lifetime illicit drug use†† 12.1 (11.1–13.2) 46.9 (41.6–52.2) 3.8 (3.2–4.5)

Abbreviation: aPR = adjusted prevalence ratio.

* N = 17,232 respondents. Because the state and local questionnaires differ by jurisdiction, students in these schools were not asked all national YRBS questions. Therefore, the total number (N) of students answering each question varied. Percentages in each category are calculated on the known data.

Logistic models adjusted for sex, race and ethnicity, age, and sexual identity. Estimates were considered statistically significant if the 95% CI did not include 1.0.

§ During the 12 months before the survey.

Had four or more drinks of alcohol in a row (if they were female) or five or more drinks of alcohol in a row (if they were male) within a couple of hours on ≥1 day during the 30 days before the survey.

** One or more times during the 30 days before the survey.

†† Lifetime use of at least one of the following: cocaine, ecstasy, hallucinogenic drugs, heroin, inhalants, methamphetamines, or synthetic marijuana.