New HIV Social Support Scale Captures Stigma-Shaped Support for Chinese Patients

The 25-item HIV-related Social Support Scale, or HSSS, was built and evaluated using the COSMIN methodology, an international standard for assessing the quality of health measurement instruments. The study, published in BMC Psychology, reports promising preliminary psychometric evidence for the new tool. The motivation behind the work lies in a practical problem: existing social support measures were not designed with HIV in mind.

According to the authors, generic instruments fail to capture critical dimensions such as affiliational social support and appraisal support in the context of HIV-related stigma. That methodological gap, they argue, constrains research into the psychological mechanisms linking social support to mental health outcomes and hinders the development of targeted psychological interventions for people with HIV. To build the scale, the research team drew on a realist synthesis and qualitative inquiry, then refined the item pool through a two-round Delphi process involving 52 experts from 12 provinces in China.

The final instrument measures five distinct dimensions of support: informational, instrumental, emotional, affiliational social, and appraisal support. This multidimensional structure reflects the team's aim of producing a culturally tailored tool rather than adapting a generic measure. Psychometric evaluation relied on three independent analytic samples.

Validity and internal consistency were assessed in a sample of 406 participants, while reliability and measurement error were examined in a separate sample of 63, and responsiveness was tested in another 63. The five-factor structure showed mixed structural validity, with a chi-square to degrees-of-freedom ratio of 3.32, a comparative fit index of 0.95, a Tucker-Lewis index of 0.95, and a root mean square error of approximation of 0.075. Reliability results were strong.

Internal consistency at the subscale level was excellent, with a Cronbach's alpha of 0.976 for the full scale. Test-retest reliability was satisfactory, with an intraclass correlation coefficient of 0.85, and measurement error was within an acceptable range, with a standard error of measurement of 8.53 percent. These figures suggest the scale produces stable scores when administered repeatedly to the same individuals.

The scale also performed well against external benchmarks. Criterion validity was supported by a strong correlation of 0.731 with the Medical Outcomes Study Social Support Survey, a widely used generic measure, with the association significant at the 0.01 level. Two pre-specified construct validity hypotheses were confirmed: HSSS scores correlated negatively with depression and anxiety symptoms, at a coefficient of -0.362, and were significantly lower among older adults, with a p-value of 0.029.

Responsiveness analysis showed that the HSSS was sensitive to change in four of its five dimensions: informational, emotional, affiliational social, and appraisal support. The authors conclude that the HSSS is the first culturally tailored, multidimensional social support instrument for Chinese people with HIV that incorporates affiliational social and appraisal support. They describe the psychometric evidence as promising and preliminary, supporting the scale's application in mental health risk screening and in mechanism research on social support among people with HIV.

They also position the tool as a standardized measure for health psychology studies in stigmatized chronic disease populations more broadly. As with any newly validated instrument, the evidence base remains bounded by the study's own samples and setting. The validation was conducted in China, and the reported properties reflect those analytic samples rather than a demonstration of performance in other countries or clinical contexts.

Subject of Research: Development and psychometric validation of an HIV-specific social support scale for people with HIV in China

Article Title: The development and psychometric evaluation of the HIV-related Social Support Scale (HSSS): a health psychological measurement tool using the COSMIN methodology

Article References: Zhou, B., Li, D., Wang, X., Zhang, L., Wu, D., Wu, X., Chang, K., & Han, S. (2026). The development and psychometric evaluation of the HIV-related Social Support Scale (HSSS): a health psychological measurement tool using the COSMIN methodology. BMC Psychology. https://doi.org/10.1186/s40359-026-05617-9

Image Credits: AI Generated

DOI: 10.1186/s40359-026-05617-9

Keywords: HIV, social support, psychometrics, COSMIN, scale development, health psychology, stigma, mental health screening, China, measurement error, reliability, validity