Table 2. The four-way decomposition of the total effect of continuity of care on complaints.

Mediators	Effects	Estimate	95% CI	Proportion attributed	95% CI
Lost trust and confidence	Total effect	0.091	0.082 to 0.099
	Controlled direct effect	0.089	0.080 to 0.097	0.979	0.970 to 0.987
	Reference interaction	0.000	−0.000 to 0.000	0.001	−0.002 to 0.003
	Mediated interaction	−0.001	−0.002 to −0.001	−0.014	−0.019 to −0.009
	Pure indirect effect	0.003	0.002 to 0.004	0.035	0.025 to 0.045
Unmet clinical needs	Total effect	0.088	0.079 to 0.097
	Controlled direct effect	0.086	0.077 to 0.095	0.975	0.966 to 0.984
	Reference interaction	0.000	−0.000 to 0.000	0.001	−0.001 to 0.003
	Mediated interaction	−0.001	−0.001 to −0.001	−0.011	−0.016 to −0.006
	Pure indirect effect	0.003	0.002 to 0.004	0.035	0.025 to 0.046