Measure of five core mindfulness skills over the past month (15 items). Minimum score: 15, Maximum score: 75. Higher scores mean greater dispositional mindfulness (good outcome).

Measure of mindful acceptance and awareness over the past month (20 items). Minimum score: 20, Maximum score: 100. Higher scores mean greater dispositional mindfulness (good outcome).

Well-validated measure of perceived stress over the past month (10 items). Minimum score: 0, Maximum score: 40. Higher scores mean greater perceived stress (worse outcome).

Measure of ruminative thought patterns over the past 30 days using 10 items. Minimum score: 10, Maximum score: 40. Higher scores mean greater tendency to ruminate (worse outcome).

Measure of negative repetitive thought patterns over the past 30 days using 10 items. Minimum score: 10, Maximum score: 50. Higher scores mean greater tendency to experience repetitive thinking (worse outcome).

Measure of worry and rumination over the past 30 days using 16 items. Minimum score: 16, Maximum score: 80. Higher scores mean greater tendency to worry (worse outcome).

Measure of disruption to work and activities because of mental health symptoms in the past month using 5 items. Scores vary as the scale utilizes open response options to some questions. Higher scores generally indicate more impairment to productivity.

Assesses the patient's perception of the treatment as useful, helpful, and effective using 6 items. Minimum score: 6, Maximum score: 42. Higher scores indicate greater acceptability.

An 18-item measure of the ease of use, acceptability as a treatment, and satisfaction. Minimum score: 18, Maximum score: 126. Higher scores indicate greater usability and satisfaction.