Table 2.
Association between documented BIa and resolution of unhealthy alcohol useb among Veterans Affairs (VA) outpatients who initially screened positive.
| Documented BI |
Resolved unhealthy alcohol use |
Unadjusted prevalence of resolved unhealthy alcohol use |
Adjusted prevalence of resolved unhealthy alcohol use (RE) |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No BI |
BI |
No BI |
BI |
||||||||||
| n | n | (%) | n | (%) | % | % | P-valuec | % | (95% CI) | % | (95% CI) | P-valued | |
| Main results in overall sample | 6210 | 1751 | (28%) | 2922 | (47%) | 46% | 49% | 0.06 | 47% | (42–52%) | 48% | (42–54%) | 0.50 |
| Results of secondary post-hoc analyses in subsamples defined by severity of unhealthy alcohol use | |||||||||||||
| AUDIT-C < 8 | 3905 | 992 | (25%) | 1874 | (48%) | 47% | 51% | 0.02 | 48% | (43-53%) | 51% | (45–56%) | 0.19 |
| AUDIT-C ≥ 8 | 2305 | 759 | (33%) | 1048 | (45%) | 45% | 46% | 0.66 | 45% | (40–50%) | 45% | (39–51%) | 0.90 |
| Sample without AUD/TX | 3979 | 987 | (24%) | 1861 | (47%) | 46% | 48% | 0.26 | 47% | (43–53%) | 48% | (42–54%) | 0.57 |
a
BI = brief intervention documented in the electronic medical record with a clinical reminder.
b
Primary study outcome defined as screening negative on the follow-up Alcohol Use Disorders Identification Test Consumption (AUDIT-C) with at least a 2-point reduction in score.
c
χ2 test for difference in proportion of patients with resolution.
d
Wald test for multi-level regression model coefficients for documentation of brief intervention (yes/no).
CI = confidence interval; AUD = alcohol use disorder; TX = receipt of specialty addictions treatment in the year prior to initial positive alcohol screening.