Outcome
Type |
Measure |
Description |
Time frame |
Safety issue |
Primary |
Days of App Use |
Frequency of app openings in each group |
Daily throughout study duration, 4 months |
|
Primary |
Duration of App Use |
Mean duration of app use in each group over the course of study participation (4 months) |
Daily throughout study duration, 4 months |
|
Primary |
Feasibility as Measured by Study Accrual Relative to Recruitment Goal |
Percent of subjects consented into study relative to study recruitment goal (N=90).92 subjects signed consent prior to eligibility determination and randomization. |
Approximately 15 months |
|
Primary |
Feasibility as Measured by Study Attrition |
Number and percentage of subjects who complete 4-month follow up assessment |
4-months |
|
Primary |
Recruitment Yield Effort |
Percent of subjects responding to ads and clinician referrals |
Approximately 15 months |
|
Primary |
Feasibility of Measurement Strategy |
Percent completion of assessment measures. Assessment measures include surveys, questionnaires, and cognitive tasks. |
Approximately 19 months |
|
Primary |
Usability of App Design as Measured by the System Usability Scale (SUS) |
10-item scale giving a global assessment of systems usability using a 5-point Likert Scale with a composite score ranging from 0-100. Higher scores indicate higher usability rating. |
1-month follow-up |
|
Primary |
Usability of App Design as Measured by the System Usability Scale (SUS) |
10-item scale giving a global assessment of systems usability using a 5-point Likert Scale with a composite score ranging from 0-100. Higher scores indicate higher usability rating. |
2-month follow-up |
|
Primary |
Usability of App Design as Measured by the System Usability Scale (SUS) |
10-item scale giving a global assessment of systems usability using a 5-point Likert Scale with a composite score ranging from 0-100. Higher scores indicate higher usability rating. |
3-month follow-up |
|
Primary |
Usability of App Design as Measured by the System Usability Scale (SUS) |
10-item scale giving a global assessment of systems usability using a 5-point Likert Scale with a composite score ranging from 0-100. Higher scores indicate higher usability rating. |
4-month follow-up |
|
Secondary |
Biochemically Confirmed 7-day Point Prevalence Abstinence |
Percent of subjects in each group reporting biochemically confirmed 7-day point prevalence abstinence. Abstinence is determined by a self-report of not smoking for 7 days prior to the specified timepoint AND by a result of = 5 ppm in carbon monoxide breath testing. If the participant does not meet both criteria, they are not considered abstinent. |
1 month follow-up |
|
Secondary |
Biochemically Confirmed 7-day Point Prevalence Abstinence |
Percent of subjects in each group reporting biochemically confirmed 7-day point prevalence abstinence. Abstinence is determined by a self-report of not smoking for 7 days prior to the specified timepoint AND by a result of = 5 ppm in carbon monoxide breath testing. If the participant does not meet both criteria, they are not considered abstinent. |
2 month follow-up |
|
Secondary |
Biochemically Confirmed 7-day Point Prevalence Abstinence |
Percent of subjects in each group reporting biochemically confirmed 7-day point prevalence abstinence. Abstinence is determined by a self-report of not smoking for 7 days prior to the specified timepoint AND by a result of = 5 ppm in carbon monoxide breath testing. If the participant does not meet both criteria, they are not considered abstinent. |
3 month follow-up |
|
Secondary |
Biochemically Confirmed 7-day Point Prevalence Abstinence |
Percent of subjects in each group reporting biochemically confirmed 7-day point prevalence abstinence. Abstinence is determined by a self-report of not smoking for 7 days prior to the specified timepoint AND by a result of = 5 ppm in carbon monoxide breath testing. If the participant does not meet both criteria, they are not considered abstinent. |
4 month follow-up |
|
Secondary |
Biochemically Confirmed Prolonged Abstinence Rates |
Total number of participants in each group reporting prolonged abstinence at the specified time point. Abstinence is determined by a self-report of not relapsing after their quit date (i.e., not smoking for 7 consecutive days, or not smoking at least once each week for 2 consecutive weeks) following a 2-week grace period, AND by a result of = 6 ppm in carbon monoxide breath testing. If the participant does not meet both criteria, they are not considered abstinent |
1 month follow up |
|
Secondary |
Biochemically Confirmed Prolonged Abstinence Rates |
Total number of participants in each group reporting prolonged abstinence at the specified time point. Abstinence is determined by a self-report of not relapsing after their quit date (i.e., not smoking for 7 consecutive days, or not smoking at least once each week for 2 consecutive weeks) following a 2-week grace period, AND by a result of = 6 ppm in carbon monoxide breath testing. If the participant does not meet both criteria, they are not considered abstinent |
2 month follow up |
|
Secondary |
Biochemically Confirmed Prolonged Abstinence Rates |
Total number of participants in each group reporting prolonged abstinence at the specified time point. Abstinence is determined by a self-report of not relapsing after their quit date (i.e., not smoking for 7 consecutive days, or not smoking at least once each week for 2 consecutive weeks) following a 2-week grace period, AND by a result of = 6 ppm in carbon monoxide breath testing. If the participant does not meet both criteria, they are not considered abstinent. |
3 month follow up |
|
Secondary |
Biochemically Confirmed Prolonged Abstinence Rates |
Total number of participants in each group reporting prolonged abstinence at the specified time point. Abstinence is determined by a self-report of not relapsing after their quit date (i.e., not smoking for 7 consecutive days, or not smoking at least once each week for 2 consecutive weeks) following a 2-week grace period, AND by a result of = 6 ppm in carbon monoxide breath testing. If the participant does not meet both criteria, they are not considered abstinent. |
4 month follow up |
|
Secondary |
30-day Point Prevalence Abstinence Rates |
Participants who self-reported not smoking for 30 days prior to the specified timepoint. |
1 month follow up |
|
Secondary |
30-day Point Prevalence Abstinence Rates |
Participants who self-reported not smoking for 30 days prior to the specified timepoint. |
2 month follow up |
|
Secondary |
30-day Prevalence Abstinence Rates |
Participants who self-reported not smoking for 30 days prior to the specified timepoint. |
3 month follow up |
|
Secondary |
30-day Point Prevalence Abstinence Rates |
Participants who self-reported not smoking for 30 days prior to the specified timepoint. |
4 month follow up |
|
Secondary |
7-day Point Prevalence Abstinence |
Participants who self-reported not smoking for 7 days prior to the specified timepoint. |
1 month follow up |
|
Secondary |
7-day Point Prevalence Abstinence |
Participants who self-reported not smoking for 7 days prior to the specified timepoint. |
2 month follow up |
|
Secondary |
7-day Point Prevalence Abstinence |
Participants who self-reported not smoking for 7 days prior to the specified timepoint. |
3 month follow up |
|
Secondary |
7-day Point Prevalence Abstinence |
Participants who self-reported not smoking for 7 days prior to the specified timepoint. |
4 month follow up |
|
Secondary |
24-hour Point Prevalence Abstinence |
Participants who self-reported not smoking for 24 hours prior to the specified timepoint. |
1 month follow up |
|
Secondary |
24-hour Point Prevalence Abstinence |
Participants who self-reported not smoking for 24 hours prior to the specified timepoint. |
2 month follow up |
|
Secondary |
24-hour Point Prevalence Abstinence |
Participants who self-reported not smoking for 24 hours prior to the specified timepoint. |
3 month follow up |
|
Secondary |
24-hour Point Prevalence Abstinence |
Participants who self-reported not smoking for 24 hours prior to the specified timepoint. |
4 month follow up |
|
Secondary |
Average Number of Quit Attempts Per Arm |
Average number of quit attempts per group defined as self-reported no smoking at all for 24 hours at the specified time point. |
1 month follow up |
|
Secondary |
Average Number of Quit Attempts Per Arm |
Average number of quit attempts per group defined as self-reported no smoking at all for 24 hours at the specified time point. |
2 month follow up |
|
Secondary |
Average Number of Quit Attempts Per Arm |
Average number of quit attempts per group defined as self-reported no smoking at all for 24 hours at the specified time point. |
3 month follow up |
|
Secondary |
Average Number of Quit Attempts Per Arm |
Average number of quit attempts per group defined as self-reported no smoking at all for 24 hours at the specified time point. |
4 month follow up |
|
Secondary |
Change in Nicotine Dependence as Measured by the Fagerstrom Test of Nicotine Dependence |
The Fagerstrom Test of Nicotine Dependence ranges from 0 to 10 with the lower score indicating "no dependence" and the highest score indicating "very dependent" |
Baseline to 1, 2, 3 and 4 month follow up |
|
Secondary |
Change in Average Number of Cigarettes Smoked Per Day |
Change in average number of self-reported cigarettes smoked per day per arm from baseline to the specified time point. |
Baseline to 1, 2, 3 and 4 month follow up |
|
Secondary |
Nicotine Replacement Patch Utilization |
Days of patch use over the last 30 days. |
1 month follow up |
|
Secondary |
Nicotine Replacement Patch Utilization |
Days of patch use over the last 30 days. |
2 month follow up |
|
Secondary |
Nicotine Replacement Patch Utilization |
Days of patch use over the last 30 days. |
3 month follow up |
|
Secondary |
Nicotine Replacement Patch Utilization |
Days of patch use over the last 30 days. |
4 month follow up |
|
Secondary |
Nicotine Replacement Lozenge Utilization |
Days of lozenge use over the last 30 days. |
1 month follow up |
|
Secondary |
Nicotine Replacement Lozenge Utilization |
Days of lozenge use over the last 30 days. |
2 month follow up |
|
Secondary |
Nicotine Replacement Lozenge Utilization |
Days of lozenge use over the last 30 days. |
3 month follow up |
|
Secondary |
Nicotine Replacement Lozenge Utilization |
Days of lozenge use over the last 30 days. |
4 month follow up |
|
Secondary |
Affect Ratings - Learn to Quit |
Average mood rating as self-reported through the Learn to Quit app. Ratings range from 1-10 with lower scores indicating poorer mood ratings. |
Daily throughout study duration, 4 months |
|
Secondary |
Affect Ratings - QuitGuide |
Percent of reported positive, negative, and mixed affect. Negative affect was coded as '1' when the following types of mood were reported using the mood tracking feature within the app: frustrated, stressed, nervous, anxious, angry, sad. Positive affect was coded as '1' when the following types of mood were reported using the mood tracking feature within the app: happy, relaxed, excited. Mixed affect was coded as '1' when there were instances where participants reported both positive and negative affect at different times of the day. |
Daily throughout study, 4 months |
|
Secondary |
Smoking Cravings |
Average daily smoking cravings as self-reported through each smartphone app. Cravings range from a score of 1 to 10 with higher scores indicating higher cravings to smoke. |
Daily throughout study duration, 4 months |
|
Secondary |
Psychotic Symptoms |
Psychotic symptoms (positive and negative symptoms) at the specified time point as measured by the Positive and Negative Symptoms Scale. Scores range from 7 to 49 with higher scores indicating more psychopathology. |
1 month follow up |
|
Secondary |
Psychotic Symptoms |
Psychotic symptoms (positive and negative symptoms) at the specified time point as measured by the Positive and Negative Symptoms Scale. Scores range from 7 to 49 with higher scores indicating more psychopathology. |
2 month follow up |
|
Secondary |
Psychotic Symptoms |
Psychotic symptoms (positive and negative symptoms) at the specified time point as measured by the Positive and Negative Symptoms Scale. Scores range from 7 to 49 with higher scores indicating more psychopathology. |
3 month follow up |
|
Secondary |
Psychotic Symptoms |
Psychotic symptoms (positive and negative symptoms) at the specified time point as measured by the Positive and Negative Symptoms Scale. Scores range from 7 to 49 with higher scores indicating more psychopathology. |
4 month follow up |
|
Secondary |
General Psychiatric Symptoms |
General psychiatric symptoms at the specified time point as measured by the Global Severity Index of the Brief Symptom Inventory. Scores range from 0 to 4 with higher scores indicating more psychiatric symptoms. |
1 month follow up |
|
Secondary |
General Psychiatric Symptoms |
General psychiatric symptoms at the specified time point as measured by the Global Severity Index of the Brief Symptom Inventory. Scores range from 0 to 4 with higher scores indicating more psychiatric symptoms. |
2 month follow up |
|
Secondary |
General Psychiatric Symptoms |
General psychiatric symptoms at the specified time point as measured by the Global Severity Index of the Brief Symptom Inventory. Scores range from 0 to 4 with higher scores indicating more psychiatric symptoms. |
3 month follow up |
|
Secondary |
General Psychiatric Symptoms |
General psychiatric symptoms at the specified time point as measured by the Global Severity Index of the Brief Symptom Inventory. Scores range from 0 to 4 with higher scores indicating more psychiatric symptoms. |
4 month follow up |
|