. 2013 Jan 6;18(4):323–329. doi: 10.1007/s12199-012-0325-3

Table 2.

Association between physical activity and the percentage of body fat stratified by the ADRB3 polymorphism

Presence/absence of Arg allele	Percentage of body fat (%)		p value
Presence/absence of Arg allele	Low-PAE group	High-PAE group	p value
Arg allele (−)	18.1 ± 3.9	16.3 ± 3.8	0.059^a
Arg allele (−)	n = 17	n = 22
Arg allele (+)	18.1 ± 4.0	15.6 ± 3.7	0.116^b
Arg allele (+)	n = 15	n = 11

Data are presented as the mean ± SD

^aTested by the Mann–Whitney U test

^bTested by Student’s t test