TABLE 4.

Mediation analyses: effects of social deprivation on preemptive kidney transplantation (one mediator at a time)

	Living-donor transplantation		Positive CMV serology		HLA immunization		Positive hepatitis C serology		Blood group B
	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
Natural direct effect	0.69	[0.61-0.78]**	0.65	[0.57-0.75]**	0.64	[0.56-0.73]**	0.64	[0.55-0.73]**	0.64	[0.56-0.73]**
Natural indirect effect	0.92	[0.89-0.95]**	0.98	[0.95-1.00]*	1.00	[0.99-1.00]	0.99	[0.99-1.00]*	0.99	[0.98-1.00]*
Total effect	0.64	[0.56-0.73]**	0.63	[0.56-0.73]**	0.63	[0.55-0.73]**	0.63	[0.55-0.73]**	0.63	[0.55-0.73]**

The analyses were adjusted for confounders: age, sex, diabetes, and underlying nephropathy.

*P < 0.05.

**P < 0.001.

CI, confidence interval; CMV, cytomegalovirus; OR, odds ratio.