Remote-delivered MBCT for SCAD Survivors

Feasibility will be assessed by >70% of eligible patients enroll

Feasibility of retention will be assessed by > 70% of participants completing the post-intervention survey

Feasibility of daily diary completion will be assessed by >70% of participants completing daily diaries for 7 consecutive days at pre-intervention

Feasibility of daily diary completion will be assessed by >70% of participants completing daily diaries for 7 consecutive days at post-intervention

Feasibility of actigraphy use will be assessed by >70% of participants completing actigraphy for 7 consecutive days at pre-intervention

Feasibility of actigraphy use will be assessed by >70% of participants completing actigraphy for 7 consecutive days at post-intervention

Feasibility of UpBeat-MBCT intervention will be assessed by >70% of participants attending >6/8 sessions

Feasibility of videoconferencing delivery will be assessed by <20% of sessions missed due to videoconference problems

Intervention acceptability will be assessed by >70% plan to use the intervention skills in the future

Intervention acceptability will be assessed by >70% would recommend the program to others

Acceptability of the UpBeat-MBCT intervention will be assessed by >70% of participants completing home practice >3days/week

Acceptability of daily diaries will be assessed by ease of daily diary completion (1=not at all, 10=extremely). Mean acceptability rating > 7.0 indicates acceptability

Acceptability of daily diaries will be assessed by level of survey interference in daily life (1=not at all, 10=extremely, M<2.0)

Acceptability of actigraphy will be assessed by ratings of ease of actigraphy completion (1=not at all, 10 =extremely, M>7.0)

The Assessment of Survivor Concerns, a validated self-report survey, will be used to explore the severity of fears of recurrent cardiac events before and after the intervention. This study used a 5 item version of the ASC, thus the scores range from 5 (lower fear of reoccurrence) to 20 (higher fear of reoccurrence). The 5 item version has two subscales: health worry, cardiac worry. Scores from each subscale are summed to achieve the final score.

The Experiences Questionnaire, a validated self-report survey, will be used to explore levels of trait cognitive de-centering before and after the intervention (i.e., the ability to notice mental events as transient objects separate from the self). Each item is scored on a Likert scale from 1 (never) to 5 (all of the time); the total minimum score is 11 while the maximum score is 55. Higher scores indicate greater cognitive decentering (better outcomes), while lower scores indicate less cognitive de-centering (worse outcome)

The Distress Tolerance Scale, a validated self-report survey, will be used to explore levels of the ability to withstand negative emotional states before and after the intervention. The DTS is 15 item measure where each item is scores from 1 (strongly agree) to 5 (strongly disagree). Lower scores (minimum = 1) indicate lower distress tolerance and worse outcomes. Higher scores (maximum = 5) indicate higher distress tolerance and better outcomes.

The Cognitive Affective Mindfulness Scale-Revised, a validated self-report survey, will be used to explore levels of trait mindfulness before and after the intervention. Items are scored on a scale 1 (Rarely/Not at all) to 4 (Almost Always). Lower scores (minimum = 1) reflect lower trait mindfulness (worse outcome) whereas higher scores (maximum = 40) indicate higher trait mindfulness (better outcome)

The body trusting subscale of the multidimensional assessment of interoceptive awareness, a validated self-report survey, will be used to explore levels of non-judgmental body awareness before and after the intervention. The minimum score on the subscale is 0 while the maximum is 10. Scores of 10 indicate higher body trusting (better outcome). Scores of 0 indicate lower body trusting (worse outcome).

The Body Vigilance Scale, a validated self-report survey, will be used to explore attentional bias, hypervigilance, and sensitivity toward physical sensations around the chest before and after the intervention. The maximum score is 280, indicating high body vigilance and worse outcomes, while the minimum score is 0,indicating low body vigilance and better outcomes.

The Intolerance of Uncertainty Scale-12, a validated self-report survey, will be used to explore the ability to tolerate uncertainty before and after the intervention. The maximum score is 60 which indicates high intolerance of uncertainty and worse outcomes. The minimum score is 12 which indicates low intolerance of uncertainty and better outcomes. Each item is scored on a scale from 1 (not at all characteristic of me) to 5 (entirely characteristic of me).

Four items from the physical concerns subscale of the Anxiety Sensitivity Index 3 will be used to assess cardiac anxiety levels before and after the intervention. Items are scored on a scale from 0 (very little) to 4 (very much). The minimum possible score is 0, indicating low anxiety sensitivity and better outcomes. The maximum possible score is 16, indicating high anxiety sensitivity and worse outcomes.

Sleep duration, sleep efficiency, and sleep onset latency will be assessed by self-report survey via the Consensus Sleep Diary before and after the intervention and will be included in the sleep diaries.

Moderate-vigorous physical activity engagement will be assessed by self-report survey via the Physical Activity Vital sign before and after the intervention, including daily diaries.