Table 1: Descriptive characteristic of study participants.

Women Men p value
Age 85.8 ± 3.8 85.4 ± 3.9 0.58
UPSIT 27.6 ± 6.8 25.3 ± 5.1 0.07
Education (years) 12.5 ± 4.0 15.7 ± 4.2 0.0004***
Smoking 0.009**
Never 31 15
Past 19 28
Current 0 0