TABLE 2.
Age-specific prevalence of heavy episodic drinking and alcohol misuse among OEF/OIF patients in the Department of Veterans Affairs with and without traumatic brain injury (TBI)a
| Women (N=47,411) |
Men (N=310,736) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| TBI (N=1,836) |
No TBI (N=45,575) |
TBI (N=28,361) |
No TBI (N=282,375) |
|||||||
| Variable and age | % | 95% CI | % | 95% CI | p | % | 95% CI | % | 95% CI | p |
| Heavy episodic drinkingb | ||||||||||
| <30 | 10.1 | 7.7–13.1 | 8.0 | 7.5–8.5 | ns | 28.5 | 27.6–29.4 | 23.1 | 22.8–23.4 | <.001 |
| 30–39 | 8.9 | 6.5–12.4 | 5.9 | 5.5–6.4 | <.05 | 22.3 | 21.3–23.4 | 17.7 | 17.4–18.0 | <.001 |
| ≥40 | 6.9 | 4.3–10.8 | 5.0 | 4.6–5.6 | ns | 17.8 | 16.6–19.0 | 11.5 | 11.2–11.7 | <.001 |
| AUDIT-C ≥5 (moderate misuse) | ||||||||||
| <30 | 8.3 | 6.5–10.5 | 7.2 | 6.8–7.6 | ns | 25.4 | 24.6–26.1 | 22.6 | 22.3–22.8 | <.001 |
| 30–39 | 6.0 | 4.4–8.1 | 5.1 | 4.8–5.5 | ns | 18.2 | 17.4–19.0 | 16.3 | 16.1–16.6 | <.001 |
| ≥40 | 5.9 | 4.0–8.4 | 4.1 | 3.8–4.4 | ns | 13.7 | 12.9–14.6 | 10.4 | 10.2–10.6 | <.001 |
| AUDIT-C ≥8 (severe misuse) | ||||||||||
| <30 | 3.2 | 2.1–4.7 | 2.1 | 1.9–2.4 | ns | 11.1 | 10.5–11.6 | 8.7 | 8.5–8.9 | <.001 |
| 30–39 | 1.9 | 1.1–3.2 | 1.5 | 1.3–1.7 | ns | 7.7 | 7.2–8.3 | 6.3 | 6.1–6.4 | <.001 |
| ≥40 | 1.3 | .6–2.9 | 1.2 | 1.0–1.4 | ns | 5.6 | 5.0–6.2 | 3.7 | 3.6–3.8 | <.001 |
a
OEF, Operation Enduring Freedom;OIF, Operation Iraqi Freedom. All patients were screened with the Alcohol Use Disorders Identification Test alcohol consumption questions (AUDIT-C) between January 1 and December 31, 2012. Analytic samples for the AUDIT-C moderate and severe groups are not mutually exclusive.
b
Six or more drinks on one occasion