Table 4.
Mediation and interaction of comfort and effect of gender of healthcare provider on reproductive discussions (4-way decomposition)
| Component | Interpretation | Excess relative riska (95%CI) | p-value | Proportion attributable (95%CI) |
|---|---|---|---|---|
| Total effect | Effect of provider gender on discussions | 1.18 (0.15, 2.20) | 0.024 | 100% |
| Controlled direct effect | Effect of provider gender due to neither mediation nor interaction | −0.18 (−0.58, 0.22) | 0.367 | −15% (−55%, 24%) |
| Reference interaction | Effect of provider gender due to interaction only | 0.59 (−0.02, 1.19) | 0.058 | 50% (19%, 81%) |
| Mediated interaction | Effect of provider gender due to mediation and interaction | 0.49 (−0.03, 1.02) | 0.065 | 42% (18%, 66%) |
| Pure indirect effect | Effect of provider gender due to mediation only | 0.28 (0.06, 0.50) | 0.012 | 24% (−5%, 52%) |
| Total % mediated | – | – | 66% (32%, 99%) |
a
adjusted for education, personalised HIV-related stigma, negative self-image related to HIV stigma, disclosure concerns, public attitudes towards HIV, preferring a woman HIV care provider, age, race/ethnicity, specialty of HIV care provider, previous discussions, previous pregnancy since HIV diagnosis.