Table 2.
Baseline and follow-up AUDIT scores for those attending the clinic, by traffic-light category
| Variable | Green, n = 191 | Amber/red, n = 202 | Total n = 393 | P-value |
|---|---|---|---|---|
| Response to 1-year AUDIT, n (%) | 150 (79) | 153 (76) | 303 (77) | |
|
| ||||
| Baseline AUDIT | ||||
| Mean (SD) | 13.0 (5.7) | 12.8 (5.1) | 12.9 (5.4) | 0.893a |
| Median | 11 | 11 | 11 | |
| Lower to upper quartile | 9–15 | 9–15 | 9–15 | |
| Minimum–maximum | 8–36 | 8–36 | 8–36 | |
|
| ||||
| 1-year follow-up AUDIT | ||||
| Mean (SD) | 10.6 (5.4) | 9.5 (5.3) | 10.0 (5.4) | 0.070a |
| Median | 9 | 9 | 9 | |
| Lower to upper quartile | 7–12.3 | 6–12 | 6–12 | |
| Minimum–maximum | 3–29 | 0–36 | 0–36 | |
|
| ||||
| Change in AUDIT at follow-up (negative value is a reduction) | ||||
| Mean (SD) | −1.9 (3.6) | −3.0 (4.5) | −2.4 (4.1) | 0.014b |
| Minimum–maximum | −15 to 7 | −17 to 9 | −17 to 9 | |
|
| ||||
| Completed cases only | ||||
| P-value for change | <0.001c | <0.001c | <0.001c | |
a
Mann-Whitney test.
b
Independent samples t-test.
c
Paired-samples t-test. AUDIT = Alcohol Use Disorders Identification Test. SD = standard deviation.