Table 1.

Study measures and outcomes.

Description	Measure	Ref.
Sociodemographic /medical information	Self-report and medical record	NA
Tobacco use and knowledge	CDC-QIT	15
Other substance use	NIH/NIAID Baseline Substance Use Report	18
Nicotine addiction	Modified Fagerstrom Tolerance Questionnaire	19
Motivation to quit	Modified Abrams & Biener Readiness to Quit Ladder	20
Self-efficacy	Self-efficacy/Temptations Scale	21
Decisional balance	Smoking Decisional Balance Short Form	22
Social support	Interpersonal Support Evaluation List	23
Loneliness	UCLA Loneliness Scale	24
Depression	Center for Epidemiologic Studies Depression Scale	25
Anxiety	General Anxiety Disorder-7	26
Perceived stress	Perceived Stress Scale – 4 Item	27
Study Outcomes
Adherence	# of sessions logged into; #web pages visited	NA
Engagement	# of interactive clicks; # total minutes logged in;	NA
Satisfaction*	Satisfaction survey designed by study team	NA
Study contamination**	Questionnaire designed by study team	NA
Abstinence (by history)	Seven-day point-prevalence abstinence at 3 months	28
Abstinence (biochemical)	Exhaled carbon monoxide<10 parts per million***	29

Note: NA=not applicable, CDC-QIT=Centers for Disease Control-Question Inventory on Tobacco, NIH/NIAID=National Institutes of Health/National Institute of Allergy and Infectious Diseases, UCLA=University of California, Los Angeles

^*PSFW subjects only

^**Standard care subjects only

^***Measured using the Bedfont piCO+ Smokerlyzer (Bedfont Scientific Ltd., Kent, UK) according to manufacturer’s instructions.