Table 5.

Percentage relapsed at the end of the 12-week post-quit period by alcohol use disorder history and baseline drinking level in the intent-to-treat sample and among those providing post-quit information

Intent-to-treat sample
		AUD history main effect		Baseline drinking main effect			Baseline drinking × AUD effects
Group:	Entire sample	No AUD history	AUD history	Abstinent	Moderate Drinker	Heavy Drinker	Abstinent no AUD	Abstinent w/AUD	Moderate no AUD	Moderate w/AUD	Hazardous no AUD	Hazardous w/AUD
N/n (percent of sample)	249	157 (63.1%)	92 (36.9%)	73 (29.3%)	95 (38.2%)	81 (32.5%)	42 (16.9%)	31 (12.4%)	69 (27.7%)	26 (10.4%)	46 (18.5%)	35 (14.1%)
Percent relapsed:	76.7%	77.1%	76.1%	78.1%	69.5%	84%	78.6%	77.4%	68.1%	73.1%	89.1%	77.1%
Post-quit sample
		AUD history main effect		Baseline drinking main effect			Baseline drinking × AUD effects
Group:	Entire sample	No AUD history	AUD history	Abstinent	Moderate Drinker	Heavy Drinker	Abstinent no AUD	Abstinent w/AUD	Moderate no AUD	Moderate w/AUD	Hazardous no AUD	Hazardous w/AUD
N/n (percent of sample)	208	124 (59.6%)	84 (40.4%)	60 (28.8%)	77 (37%)	71 (34.1%)	33 (15.9%)	27 (13%)	52 (25%)	25 (12%)	39 (18.8%)	32 (15.4%)
Percent relapsed:	72.1%	71.0%	73.8%	73.3%	62.3%	81.7%	72.7%	74.1%	57.7%	72.0%	87.2%	75.0%

Relapse was defined as having smoked during the week prior to assessment by self-report and/or carbon monoxide > 10 ppm at assessment appointment or being lost to follow-up

Level of current alcohol use was based on a 28-day Timeline Followback: abstainers reported no alcohol use; moderate drinkers reported drinking but did not violate

NIAAA daily or weekly drinking guidelines; hazardous drinkers reported violating NIAAA daily or weekend drinking guidelines at least once.

Lifetime history of an alcohol use disorder is a past or current DSM-IV diagnosis of alcohol abuse or a past diagnosis of alcohol dependence according to the SCID