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. Author manuscript; available in PMC: 2023 Dec 1.
Published in final edited form as: Surgery. 2022 Oct 22;172(6):1673–1681. doi: 10.1016/j.surg.2022.09.012

Table 3:

Changes in alcohol use in Brief Advice and Health Coaching conditions over time.

Baseline
(N=51)
1-Month
Follow Up
(N=46)
4-Month
Follow Up
(N=44)
Change from
Baseline to
1-month
Change from
Baseline to
4-month
Mean (SD) Mean (SD) Mean (SD) % %
Audit-C
    Brief Advice 6.4 (1.4) 3.2 (2.6) 3.7 (2.0) −49.7% −43.1%
    Health Coaching 6.2 (1.5) 2.7 (2.2) 3.6 (2.5) −57.2% −41.8%
Average weekly alcohol consumption (in standard drinks)
    Brief Advice 13.8 (12.5) 6.8 (8.2) 5.6 (6.4) −50.9% −59.2%
    Health Coaching 10.7 (7.8) 4.7 (7.1) 4.3 (5.3) −56.6% −60.1%
Percent days abstinent
    Brief Advice 47.8 (33.8) 67.6 (35.6) 70.6 (28.8) 41.3% 42.0%
    Health Coaching 52.8 (32.8) 77.8 (31.4) 78.6 (25.6) 47.3% 59.0%