Table 4. Detailed results of model B equation (2).

	Sum of squares	F-statistic	P-value	Pct. Exp. (%)
rs6901583 (PARK2)	83.13	0.83	0.364	0.67
rs1473533 (SNCA)	136.13	1.36	0.247	1.10
rs9346876 (PARK2)	348.26	3.49	0.066	2.81
rs363611 (HtrA2)	703.45	7.04	0.009	5.68
GDS	303.08	3.03	0.085	2.45
Sex	523.84	5.24	0.025	4.23
rs1473533 × rs363611	1303.70	13.05	<0.001	10.52
rs9346876 × rs363611	1893.50	18.95	<0.001	15.28
Total				42.74

Pct. Exp.: percentage of explained variance.