Table 1.

Subject demographics compared by sex (n=352).

	Male (n = 166, 47.2%) N (%)	Female (n = 186, 52.8%) N (%)
Age in years, mean (95% CI)	49 (45 to 51)	45 (42 to 47)
Age categories (years)
18 to 29	33 (19.9%)	57 (30.6%)
30 to 39	27 (16.3%)	25 (13.4%)
40 to 49	28 (16.9%)	29 (15.6%)
50 to 59	27 (16.3%)	25 (13.4%)
60 to 69	25 (15.1%)	25 (13.4%)
70 to 79	26 (15.7%)	25 (13.4%)
BMI mean (95% CI)	24.2 (23.6 to 24.7)	23.5 (23.0 to 24.1)
BMI categories
< 18.50	6 (3.6%)	8 (4.3%)
18.50 to 24.99	105 (63.3%)	133 (71.5%)
25.00 to 29.99	40 (24.1%)	34 (18.3%)
≥ 30.00	15 (9.0%)	11 (5.9%)
Dominance
Right	150 (90.4%)	167 (89.8%)
Left	16 (9.6%)	19 (10.2%)

BMI, body mass index; CI, confidence interval.