Table 2.

Fit across models without and with interactions and with BMI as a mediator

		Model 1 Main effects	Model 2 With interaction	Model 3 With BMI
N	Systolic	4007	4007	2915
R-squared		0.0382	0.04064	0.11841
ΔR-squared		0.00071	0.00817	0.0042
ΔR-squared%		0.07%	0.82%	0.42%
N	Diastolic	4007	4007	2915
R-squared		0.01689	0.01946	0.07164
ΔR-squared		0.00155	0.00879	0.00595
ΔR-squared%		0.16%	0.88%	0.6%