Table 1.
Participant characteristics (recorded at screening assessment). Values are median (interquartile range) unless stated
| Variable | Complete abstinence group (N = 14) | Intermittent abstinence group (N = 11) | Not randomized (N = 7) |
|---|---|---|---|
| Age (years) | 50.50 (43.75–54.00) | 46.00 (44.00–50.00) | 50.00 (45.00–56.00) |
| Ethnicity (% White British) | 85.71% | 90.91% | 100% |
| SES (% with university degree) | 71.43% | 81.82% | 71.43% |
| Body mass index | 28.40 (24.53–33.88) | 25.50 (24.10–34.70) | 28.60 (22.10–35.90) |
| SF-12 total | 39.50 (38.00–41.50) | 38.00 (31.00–40.00) | 36.00 (30.00–41.00) |
| PHQ-9 total | 2.00 (1.00–3.25) | 3.00 (2.00–6.00) | 7.00 (4.00–10.00) |
| Alcohol consumption (grams per week) | 263.00 (209.50–342.50) | 302.00 (225.00–345.00) | 320.00 (228.00–504.00) |
| Drinking days per week | 3.88 (3.44–5.06) | 4.00 (3.25–6.50) | 6.75 (5.50–6.75) |
| AUDIT total | 14.50 (11.50–23.75) | 12.00 (11.00–19.00) | 17.00 (14.00–28.00) |
| SADQ total | 6.50 (3.75–10.50) | 3.00 (3.00–11.00) | 4.00 (3.00–7.00) |
| DRSEQ social pressure | 2.83 (1.67–3.00) | 3.00 (2.33–4.33) | 3.33 (1.50–4.00) |
| DRSEQ emotional relief | 3.33 (3.00–4.08) | 3.67 (2.33–4.67) | 2.00 (1.33–3.33) |
| DRSEQ opportunistic | 4.67 (3.58–5.00) | 5.00 (4.00–5.67) | 3.00 (2.33–4.33) |
| SOCRATES Recognition | 18.50 (15.75–22.25) | 18.00 (12.00–23.00) | 22.00 (18.00–31.00) |
| SOCRATES Ambivalence | 11.50 (10.00–14.00) | 12.00 (10.00–14.00) | 13.00 (12.00–19.00) |
| SOCRATES Taking steps | 27.00 (20.75–33.25) | 21.00 (17.00–26.00) | 22.00 (17.00–30.00) |
SF12 Short-Form Health Survey, PHQ-9 Patient Health Questionnaire, AUDIT Alcohol Use Disorders Identification Test, SADQ Severity of Alcohol Dependence Questionnaire, DRSEQ Drinking Refusal Self-Efficacy Questionnaire, SOCRATES Stages of Change Readiness and Treatment Eagerness Questionnaire