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. Author manuscript; available in PMC: 2022 Feb 1.
Published in final edited form as: Contemp Clin Trials. 2020 Dec 10;101:106245. doi: 10.1016/j.cct.2020.106245

Table 1.

Eligibility criteria for the EMPOWER trial

Inclusion Criteria
Potential participants must:

  1. be 25–80 years of age

  2. be able to understand the study, and having understood, provide informed consent in English

  3. have a daily average prescribed morphine equivalent dose (MED) ≥ 20 mg over a recent three-month period1

  4. have a chronic pain-related diagnosis

  5. self-report current use of opioid medication(s) to treat pain

  6. have a Brief Pain Inventory Pain Intensity score ≥3

  7. have internet access and a working email account
Exclusion Criteria
Potential participants must not:

  1. be anyone who, in the judgment of study staff, would be unlikely to complete the study

  2. be unwilling/unable to complete the WebNeuro assessments2

  3. be pregnant

  4. be a prisoner
1

In accordance with the CDC table of MED conversion factors [36], buprenorphine does not contribute to MED; thus a patient prescribed only buprenorphine would not have met this eligibility criterion.

2

WebNeuro is a standalone web-based neuropsychological battery [51] that was included for the objective of testing moderators/mediators; individuals who report being unable/unwilling to complete it during the pre-screen are deemed ineligible for study participation