Table 1. Demographic and clinical characteristics of Taiwanese study subjects.

Characteristic	Overall
No. of subjects, n	547
Mean age ± SD, years	64.1±3.0
Female, %	50.63
Less than high school graduate, n	214
MMSE score, median (IQR)	27 (25–29)

IQR = interquartile range, MMSE = Mini-Mental State Examination, SD = standard deviation.

Data are presented as mean ± standard deviation.

All participants self-reported as being of Taiwanese Han Chinese ancestry.