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. 2023 Jun 7;12:e41890. doi: 10.2196/41890

Table 4.

Participant timeline (SPIRIT [Standard Protocol Items: Recommendations for Interventional Trials]) showing the schedule of enrollment, interventions, and assessments.


Study period

Enrollment Baseline and allocation Postallocation
Time point −12 to −1 week −2 to −1 week 0-9 weeks (intervention) 9-week follow-up 21-week follow-up
Enrollment

Eligibility screening (online and phone)




Informed consent




Allocation



Interventions

iDBT-Paina



Treatment as usual


Assessments

Primary outcome measure


Difficulties in Emotion Regulation Scale-18


Secondary outcome measures


Numeric Rating Scale



PROMISb Pain Interference Instrument



State-Trait Anxiety Inventory



Beck Depression Inventory



NIHc Toolbox Perceived Stress



PTSDd Checklist–Civilian Version



The Awareness of Social Inference Test



Medical Outcomes Study Sleep Scale



Temperament & Character Inventory



Satisfaction with Life Scale



COMPAS-We Scale of Wellbeing



Health Utilization Questionnaire



Medication & Health Interventions


Acceptability measures


DBTf Ways of Coping Checklist



Usefulness, Satisfaction & Ease of Use




Patient Global Impression of Change




Semistructured interview





Treatment adherence

aiDBT-Pain: internet-delivered DBT skills training for chronic pain.

bPROMIS: Patient-Reported Outcomes Measurement Information System.

cNIH: National Institutes of Health.

dPTSD: posttraumatic stress disorder.

eCOMPAS-W: Composure, Own-worth, Mastery, Positivity, Achievement, Satisfaction with Life–Well-being.

fDBT: dialectical behavioral therapy.