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Table 1 Outcome measures and data collection points

From: Cluster randomized controlled trial protocol: addressing reproductive coercion in health settings (ARCHES)

Outcomes

Participant survey measurement points

Chart Abstraction Data

Measures

 

T1

T2

T3

 
 

Prior to clinical visit

Immediately after clinic visit

12–20 weeks

1 year

12 months pre-baseline to 18 months post-baseline

 

Primary Outcomes

      

 Recent reproductive coercion

X

 

X

X

 

10 items, investigator-developed (summary score)

 Recent physical and sexual partner violence victimization

X

 

X

X

 

Conflict Tactics Scale-2 (CTS2; 1 item on physical violence) [91]

Sexual Experiences Survey (2 items on sexual violence) [86] (summary score)

Secondary Outcomes

      

 Unintended pregnancya

X

  

X

X

Self-report 7 items from National Survey of Family Growth (summary score); electronic medical record data1

 Recognition of sexual and reproductive coercion

X

 

X

X

 

9 items, investigator-developed (mean score)

 Self-efficacy to implement harm reduction strategies

  

X

X

 

4 items, investigator-developed (mean score)

 Knowledge of IPV-related resources and services

  

X

X

 

5 item checklist of national and local resources (summary score)

 Use of harm reduction strategies

  

X

X

 

6 items, investigator-developed (summary score)

Additional Secondary Outcomes (restricted to those reporting physical or sexual partner violence or RC at baseline)

 Use of IPV-related resources and services

  

X

X

 

5 item checklist of national and local resources (summary score)

 Disclosure to health care provider Reproductive coercion

   

X

 

Two items on telling HCP about IPV or RC experiences

Intervention Implementation (to assess intensity of intervention received for as-treated analyses)

 Conversation with HCP about healthy and unhealthy relationships

 

X

   

1 item, self-report

 Receipt of safety card

 

X

   

1 item, self-report

  1. aInformation is assessed both via self-report and medical record data, such that the greater value of the two data sources is used for analyses