Table 3.
Phase 3 (RCT) dyad participant measures.
| Measures | Post-treatment follow-up |
||
|---|---|---|---|
| Baseline | 6 Months | 12 Months | |
| Index participants | |||
| Socio-demographics | X | ||
| Subsistence lifestyle information | X | ||
| Cigarettes per day, time to first cigarette [63] | X | ||
| Other nicotine/tobacco product use | X | X | X |
| Household tobacco exposure [64] | X | ||
| Communal Orientation Scale [65] (interdependence, cultural mediator) | X | X | |
| Monetary Choice Questionnaire [66] (delayed discounting, behavioral economics theory-based mediator) | X | X | |
| Partner Interaction Questionnaire [67] (cessation-specific support received from enrolled family member, mediator) | X | X | |
| Self-reported cigarette smoking status (past 7 days and since last assessment) | X | X | |
| Expired breath CO (iCO Smokerlyzer) and saliva cotinine (Alere™ iScreen oral fluid test) | X | X | |
| Self-reported cessation treatment utilization | X | X | |
| Quit attempts | X | X | |
| Potential for cross-treatment contamination [68]: self-reported exposure to common components (e.g., resource materials) and unique elements (e.g., rewards for smoking abstinence) across study groups | X | X | |
| Family member participants | |||
| Socio-demographics | X | ||
| Type of relationship with index participant and perceived closeness [69] | X | ||
| Partner Interaction Questionnaire [67] (cessation-specific support provided to index participant) | X | X | X |
| Self-reported cigarette smoking status, nicotine/tobacco product use (past 7 days and since last assessment) | X | X | X |
| Self-reported cessation treatment utilization | X | X | |