Beta-3-adrenergic receptor Trp64Arg polymorphism: does it modulate the relationship between exercise and percentage of body fat in young adult Japanese males?

Table 1 Characteristics of the study population

Study population characteristics	Trp64Arg polymorphism		p value
Study population characteristics	T/T	T/A or A/A	p value
n	39	26
Age (years)	22 (21–22)	22 (21–23)	0.744^a
Height (cm)	170 (166–178)	175 (169–177)	0.181^a
Weight (kg)	65.1 ± 1.2	65.0 ± 1.6	0.948^b
Daily total energy intake (kcal/day)	2306 ± 383	2239 ± 317	0.466^b
Food intake pattern
Eating fewer than 3 times a day (yes/no), n	8/31	6/20	1.000^c
Meal prior to sleep (yes/no), n	8/31	3/23	0.503^d
Alcohol consumption (non-drinker/<20 g/≥20 g), n	17/18/4	8/15/3	0.435^c,e
Smoking (non-smoker/smoker), n	33/6	25/1	0.228^d
PAE (MET-h/day, mean ± SD)	6.9 ± 0.8	6.2 ± 1.1	0.615^b
BMI (kg/m²)	21.7 (20.5–23.4)	21.1 (20.1–22.7)	0.312^a
%BF	16.5 (14.5–18.0)	16.8 (13.9–20.0)	0.778^a
Waist-to-hip ratio (%)	81.3 ± 2.9	80.7 ± 3.8	0.466^b

PAE Physical activity due to exercise, BMI body mass index, %BF percentage of body fat
Unless indicated otherwise, data are presented as the median with the interquartile range in parenthesis, or as the mean ± standard deviation (SD), where appropriate
^aMann–Whitney U test
^bStudent’s t test
^cChi-square test
^dFisher’s exact test
^eTest was performed between non-drinkers and drinkers

ISSN: 1347-4715