Table.

Association of Ser363 allele of GRL gene with overweight and body mass index

	Genotype			Significance
	Asn/Asn	Asn/Ser	Ser/Ser
Frequency of genotype
Group 1:
Body mass index ⩽25	107	4	0	χ2=18.8 (P=0.0001)
Body mass index >25	64	15	5
Group 2:
Body mass index ⩽25	63	0	0	χ2=15.0 (P<0.0001)
Body mass index >25	48	11	2
Mean (SD) body mass index
Group 1	25.7 (4.3); n=171	27.6 (4.0); n=19	28.2 (3.2); n=5	F=2.5* (P=0.082)
Group 2	25.6 (4.1); n=111	29.9 (2.4); n=11	38.0 (11); n=2	F=13.9* (P<0.0001)

^*By one way analysis of variance.