Table 1.

The clinical characteristics of the participants.

Variables	Mean ± Standard Deviation	Range
Age (years)	48.3 ± 11.9	20–69
Sex, female: n (%)	21 (70)
Education (years)	14.5 ± 2.0	10–18
Height (cm)	161 ± 8.0	148–180
Weight at baseline (kg)	58.6 ± 12.7	44–102
Body mass index at baseline (kg/m2)	22.5 ± 3.9	17.1–31.5
Drinking alcohol habit: n (%)	20 (66.7)
Smoking habit: n (%)	8 (26.7)

n = 30, frequency (percentage).