Trp64Arg Polymorphism in Beta3-Adrenergic Receptor Gene Is Associated with Decreased Fat Oxidation Both in Resting and Aerobic Exercise in the Japanese Male

Table 2

The physical characteristics and energy expenditure in subjects with the UCP1-3826A/G polymorphism. Data are expressed as means ± SD. ^∗𝑃< .05.

	Male				Female
	A/A	A/G	G/G	𝑃	A/A	A/G	G/G	𝑃
Number of subjects	9 (20%)	27 (60%)	9 (20%)		10 (24.4%)	17 (41.5%)	14 (34.1%)
Age (years)	24.1±4.7	21.6±2.4	21.7±2.0	0.10	20.8±0.6	23.1±6.0	21.9±2.0	0.36
Height (cm)	169.2±7.4	172.8±5.4	173.7±3.5	0.17	156.9±5.4	160.1±6.8	159.1±4.4	0.37
Weight (kg)	63.7±10.1	67.6±8.6	76.3±17.1	^∗0.05	58.5±7.8	55.1±7.5	53.7±7.0	0.30
BMI (kg/m^2)	22.2±3.0	22.6±2.8	25.2±5.6	0.13	23.8±3.9	21.4±2.5	21.2±2.6	0.07
Lean body mass (kg)	49.2±5.03	51.7±4.47	55.2±6.31	^∗0.04	37.5±5.31	36.7±5.28	35.6±2.34	0.57
In the resting state
(kcal/kg/30min)
Energy expenditure	0.73±0.07	0.70±0.13	0.72±0.11	0.82	0.68±0.15	0.69±0.08	0.71±0.15	0.8
Fat oxidation	0.35±0.22	0.34±0.16	0.25±0.24	0.43	0.38±0.18	0.36±0.17	0.32±0.16	0.65
Carbohydrate  oxidation	0.39±0.20	0.36±0.15	0.47±0.16	0.26	0.29±0.17	0.33±0.15	0.39±0.21	0.42
During the aerobic exercise
(kcal/kg/30min)
Energy expenditure	3.38±0.69	3.06±0.33	2.98±0.50	0.13	2.29±0.37	2.33±0.34	2.25±0.21	0.78
Fat oxidation	0.95±0.44	0.97±0.35	0.78±0.29	0.38	0.69±0.34	0.85±0.27	0.68±0.30	0.23
Carbohydrate  oxidation	2.43±0.40	2.09±0.42	2.20±0.30	0.09	1.60±0.51	1.48±0.35	1.57±0.34	0.70