Skip to main content

Table 2 SPIRIT figure—schedule of enrollment, interventions, and assessments

From: Use of a sequential multiple assignment randomized trial to test contingency management and an integrated behavioral economic and mindfulness intervention for buprenorphine-naloxone medication adherence for opioid use disorder

 

Study period

 
 

Enrollment

Allocation

Post-allocation

Close-out

   

Stage 1

Stage 2

 

TIMEPOINT

 − t1

0

t1

t2

t3

t4

t5

t6

t7

t8

t9

ENROLLMENT:

           

Eligibility screen

X

          

Informed Consent

X

          

Allocation

 

X

         

INTERVENTIONS:

           

Stage 1 CM

  

X

X

X

X

     

Stage 1 BSM

  

X

X

X

X

     

Stage 2 Switch

      

X

X

X

X

 

Stage 2 Combine

      

X

X

X

X

 

ASSESSMENTS:

           

Baseline

           

Inclusion/exclusion

X

          

Contact information

X

 

X

X

X

X

X

X

X

X

 

Demographics

X

          

Opioid use disorder

X

          

Outcomes

           

Toxicology screen

  

X

X

X

X

X

X

X

X

X

Clinic visit attended

  

X

X

X

X

X

X

X

X

 

Moderators

           

Opioid Cravings Scale

X

 

X

X

X

X

X

X

X

X

X

TAPS Tool Part 1

X

         

X

Timeline Followback

  

X

X

X

X

X

X

X

X

 

Engagement in Substance-free activities

X

         

X

PEG for chronic pain

X

 

X

X

X

X

X

X

X

X

X

Brief Pain Inventory

X

         

X

EQ5D5L

X

         

X

PHQ-2 depression

X

 

X

X

X

X

X

X

X

X

X

GAD 2

X

 

X

X

X

X

X

X

X

X

X

Delay discounting

X

         

X

Opioid Purchase Task

X

 

X

X

X

X

X

X

X

X

X

Perceived social support

X

         

X

Buprenorphine-naloxone prescribed dose

X

 

X

X

X

X

X

X

X

X

X

Buprenorphine-naloxone dose log

  

X

X

X

X

X

X

X

X

X