Table 2.
Alcohol Use, Related-Problems, and Treatment Before and 1 and 2 Years After Bariatric Surgery
| No. (%)a | P | |||||
|---|---|---|---|---|---|---|
|
|
||||||
| Preoperative | 1 year Postoperative | 2 years Postoperative | Pre vs. 1 | Pre vs. 2 | 1 vs. 2 | |
| Select AUDIT items | ||||||
| In the past 12 months…. | ||||||
| Frequency of alcohol consumption | 0.89 | <.0001 | <.0001 | |||
| Never | 578 (41.3) | 628 (44.9) | 580 (41.4) | |||
| Monthly or less | 523 (37.4) | 455 (32.5) | 414 (29.6) | |||
| 2–4 times / month | 197 (14.1) | 200 (14.3) | 238 (17.0) | |||
| 2–3 times / week | 65 (4.6) | 74 (5.3) | 97 (6.9) | |||
| 4+ times / week | 37 (2.6) | 43 (3.1) | 71 (5.1) | |||
| Alcoholic drinks on a typical drinking day | <.0001 | 0.22 | <.01 | |||
| Not applicable (0 drinks) | 568 (41.8) | 619 (45.5) | 571 (42.0) | |||
| 1–2 drinks | 611 (44.9) | 607 (44.6) | 623 (45.8) | |||
| 3–4 drinks | 134 (9.9) | 106 (7.8) | 129 (9.5) | |||
| 5–6 drinks | 35 (2.6) | 18 (1.3) | 25 (1.8) | |||
| 7–9 drinks | 8 (0.6) | 8 (0.6) | 11 (0.8) | |||
| 10+ drinks | 4 (0.2) | 2 (0.2) | 1 (0.1) | |||
| AUDIT summary measures | ||||||
| Consumption at a hazardous level, missing=43 | 266 (19.6) | 180 (13.3) | 224 (16.5) | <.0001 | <.001 | 0.02 |
| AUDIT score ≥8, missing=8 | 36 (2.6) | 43 (3.1) | 76 (5.5) | 0.36 | <.0001 | <.001 |
| Alcohol dependence symptoms, missing=9 | 39 (2.8) | 44 (3.2) | 77 (5.5) | 0.44 | <.0001 | <.01 |
| Alcohol-related harm, missing=9 | 94 (6.8) | 93 (6.7) | 119 (8.6) | 0.65 | <.01 | 0.02 |
| Alcohol Use Disorder,b missing=11 | 106 (7.6) | 101 (7.3) | 133 (9.6) | 0.98 | <.01 | 0.01 |
| Treatment for alcohol or drug abuse in past 12 months | ||||||
| Admitted to hospital for treatment, missing=34 | 1 (0.1) | 3 (0.2) | 2 (0.2) | 0.40 | 0.52 | 0.87 |
| Out-patient treatment (i.e. counseling), missing=101 | 6 (0.5) | 9 (0.7) | 9 (0.7) | 0.29 | 0.18 | 0.74 |
| Treatment (in hospital or out-patient), missing=115 | 6 (0.5) | 10 (0.8) | 9 (0.7) | 0.16 | 0.25 | 0.84 |
Abbreviation: AUDIT, Alcohol Use Disorders Identification Test
a
No.(%) limited to participants with AUDIT data at all three time points (n=1400). The number of participants across categories may not sum to 1400 because of missing data. Differences by time point determined with generalized linear mixed models using all available data (n=1945).
b
Alcohol Use Disorder defined as AUDIT score ≥8 or indication of alcohol dependence symptoms or alcohol-related harm.