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Evidence for use of a healthy relationships assessment tool in the CHARISMA pilot study
Tolley, E. E., Martinez, A., Zissette, S., Palanee-Phillips, T., Mathebula, F., Tenza, S., Hartmann, M., & Montgomery, E. T. (2021). Evidence for use of a healthy relationships assessment tool in the CHARISMA pilot study. PLoS One, 16(12), Article e0261526. https://doi.org/10.1371/journal.pone.0261526
INTRODUCTION: The CHARISMA intervention, nested within the MTN-025/HOPE vaginal ring trial in Johannesburg, South Africa, seeks to facilitate women's use of HIV prevention products by promoting partner dialogue and mitigating intimate partner violence (IPV). We developed "HEART", a lay counselor-administered relationship assessment tool, for the CHARISMA pilot. The five-scale tool assesses participants' endorsement of Traditional Values (TV), her HIV Prevention Readiness (HPR) and levels of partner support (PS), abuse and control (PAC), and resistance to HIV prevention (PR), guiding decisions about which of three counselling modules to offer (partner communication/A; ring disclosure/B; and IPV prevention/C).
METHODS: We correlated baseline scores on HEART subscales with a) independent measures of relationship stability, disclosure and IPV to assess construct validity, and b) with specific modules offered to determine how HEART was used in the pilot. We examined changes in HEART scores at three and six months. Finally, we ran separate growth models for each subscale to examine changes in scores, accounting for partnership changes and counseling module(s) received.
RESULTS: Baseline HEART scores correlated as predicted among subscales and with other measures. Reliabilities for four subscales were 0.75 or higher. Women who disclosed study participation and ring use scored higher on PS and lower on PR. Women experiencing IPV scored lower on PS, and higher on PAC and PR. During the pilot, 82% of women received one and 17% received two or more modules; over half received the IPV module. Women with higher PAC and PR scores were more likely to receive the IPV than the communication or disclosure modules. Over time, the TV, PAC and PR scores decreased, and PS score increased. Receiving the IPV module was associated with a decreased PAC score.
CONCLUSIONS: These data offer preliminary evidence for HEART construct and predictive validity and support its further evaluation to guide implementation and monitor the impact of the CHARISMA intervention in a randomized controlled evaluation.
