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Table 1 Measures used in the TASA Trial

From: Protocol of the impact of alternative social assistance disbursement on drug-related harm (TASA) study: a randomized controlled trial to evaluate changes to payment timing and frequency among people who use illicit drugs

   

Follow-up (FU) period

Post-follow-up

Measure(s)

Screen

Baseline

FU 1-13

Intervention withdrawal

Study exit

60-day visit

Data linkage

Primary Outcome Measure

 Daily Drug Use (TLFB)

 

✓

✓

  

✓

 

Demographic Measures

 Date of Birth

✓

✓

     

 Gender

 

✓

     

 Ethnicity/race

 

✓

     

 Relationship status

 

✓

     

 Educational attainment

 

✓

     

 Residency / housing status

✓

✓

✓

  

✓

 

Drug Related Activity/Exposures

 Drug use (past six months)

 

✓

     

 Expenditure on drugs

 

✓

✓

  

✓

 

 Binge drug use

 

✓

✓

  

✓

 

 Distributive and acquisitive syringe sharing

 

✓

✓

  

✓

 

 Crack pipe and drug equipment sharing

 

✓

✓

  

✓

 

 Assistance injecting

 

✓

✓

  

✓

 

 Public drug use

 

✓

✓

  

✓

 

 Non-fatal overdose

 

✓

✓

  

✓

 

Addiction treatment and harm reduction

 Addiction treatment (type, timing)

 

✓

✓

  

✓

 

 Treatment interruptions/missed visits

 

✓

✓

  

✓

 

 Supervised injection facility use

 

✓

✓

  

✓

 

Police contact and illegal activity

 Police contact (frequency, type)

 

✓

✓

  

✓

 

 Criminal activity

 

✓

✓

  

✓

 

Exposure to Violence

 Exposure to violence (frequency, type)

 

✓

✓

  

✓

 

 Type of perpetrator

 

✓

✓

  

✓

 

 Police/medical involvement

 

✓

✓

  

✓

 

 Timing

 

✓

✓

  

✓

 

Health and Social Service Use

 Service accessed

 

✓

✓

  

✓

 

 Barriers to service access (type, timing)

 

✓

✓

  

✓

 

 Missed appointments

 

✓

✓

  

✓

 

 Leaving hospital against medical advice

 

✓

✓

  

✓

 

Income and Financial Information

 Social assistance income

✓

✓

     

 Additional Income Sources

 

✓

✓

  

✓

 

 Material security

 

✓

✓

  

✓

 

 Daily income generation activity

 

✓

✓

  

✓

 

 Banking practices

 

✓

     

 Drug Debt

 

✓

✓

  

✓

 

Government cheque day activities

 

✓

✓

  

✓

 

Individual cheque day activities

  

✓

  

✓

 

Health-related quality of life

 Euro-QoL (EQ-5D)

 

✓

✓

  

✓

 

Study-related measures

 Motivation to participate

 

✓

     

 Treatment preferences

 

✓

  

✓

  

 Client satisfaction questionnaire (CSQ-4)

 

✓

  

✓

  

 Reasons for intervention withdrawal

   

✓

   

 Duration of intervention

   

✓

   

 Participant experiences

    

✓

  

External Data Sources

 Hospital, ED, EDMH, SUH records

       

 Community and primary service records

      

✓

 Emergency health services records

      

✓

 Supervised injection facility records

      

✓

 Prescribed medications

      

✓

 Banking records (VanCity)

      

✓

 Ministry of Social Development & Social

      

✓

 Innovation assistance receipt records

      

✓

 Police contact records

      

✓

  1. Abbreviations: FU follow-up, TLFB timeline follow back, ED Emergency Department, EDMH Emergency Department Mental Health, SUH substance use hospitalization