A comparison of discrete versus continuous environment in a variance components-based linkage analysis of the COGA data

Table 3 Linkage analyses of TTTH1 with and without incorporation of G × discrete E interaction

		LOD without G × E	LOD with G × E	QTL SD		Residual genetic SD
Chromosome	cM			Smokers	Nonsmokers	Smokers	Nonsmokers
1	212	1.97	2.63	0.32	0.33	0.31	0.56
6	96–97	1.68	2.25	0.40^a	0.77^a	0.28	0.27
7	157–158	3.40	3.62	0.34	0.34	0.27	0.55

ISSN: 2730-6844