Table 2 Primary and secondary outcomes in both groups at 2-month follow-up.

From: A brief alcohol intervention during smoking cessation treatment in daily cigarette smokers: A pilot randomized controlled trial

Intervention group (n = 51)

Control group (n = 49)

Crude RR (95% CI)

P-value

Adjusted* RR (95% CI)

P-value

Primary outcome: Biochemically validated tobacco abstinence, n (%)

6 (12)

5 (10)

1.15 (0.38, 3.53)

0.725

1.08 (0.34, 3.43)

0.900

Self-reported 7-day PPA of tobacco, n (%)

26 (51)

29 (59)

0.86 (0.60, 1.23)

0.245

0.84 (0.57, 1.24)

0.385

Intervention group (n = 51)

Control group (n = 49)

Crude β (95% CI)

P-value

Adjusted* β (95% CI)

P-value

Self-reported 7-day alcohol consumption (in alcohol units), mean (SD)1

6.9 (12.6)

13.7 (34.2)

5.17 (-3.83, 14.17)

0.257

4.48 (−4.86, 13.82)

0.344

Self-reported 7-day alcohol consumption (in alcohol units), mean (SD)2

5.6 (4.9)

7.1 (5.7)

1.49 (−0.71, 3.69)

0.183

1.48 (−0.73, 3.70)

0.187

  1. CI  confidence interval, RR   risk ratio, SD   standard deviation, PPA   Point of prevalence abstinence.
  2. 1 alcohol unit = 10 gram pure alcohol.
  3. *Adjusted for sex, age, baseline daily cigarette consumption.
  4. 1Total n = 100, 7 outliers (26.0, 27.7, 37.8, 39.0, 40.7, 63.0, 213.0 units) were not included in the interquartile range.
  5. 2Total n = 93, all 7 outliers were moved.
  6. 3AUDIT Alcohol Use Disorders Identification Test.
  7. 4STACS Screening Tool for Alcohol Control in Smokers.
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