12 on-line modules targeting social and emotional regulation through mindfulness training

12 on-line modules providing information regarding health behaviors

12 on-line modules provide didactic information and practice instructions re: mindfulness meditation for pain and distress

Trajectory of change in positive affect over the course of the trial is assessed via daily diaries. Positive and negative affect subscales are assessed daily with the Positive (10 items) and Negative (10 items) Affect Schedule (PANAS; Watson, Clark, & Tellegen, 1988).

Trajectory of change over the course of the intervention via daily diary reports. Pain and stress coping efficacy (PCE and SCE) are assessed with 2 items each, with items combined to form a mean score for PCE and for SCE (Johnson, Zautra, & Davis 2006). "The first was "How satisfied are you with how you coped with your symptoms (stress)?" referring to that day, rated on a 5-point Likert scale ranging from 1=very dissatisfied to 5=very satisfied. The second item was "If you had this level of pain (stress) again, how certain are you that you would be able to cope well with its negative aspects?" rated on a 5-point Likert scale, ranging from 1=very uncertain to 5 = very certain.

Trajectory of change over the course of the trial via daily diaries. Daily family relations were assessed by two items asking how enjoyable (1 item) and how stressful (1 item) individuals found the time they spent with family on that day, with each item rated on a 4-point scale ranging from 1=not at all to 4 = extremely. These items were drawn from the Inventory of Small Life Events scale (Zautra, Guarnaccia, & Dohrenwend, 1986)