Table 1.

Characteristics of 987 participants at the baseline visit

Characteristics	n (%) *
Total number of visits
One	288 (29)
Two	289 (29)
Three	262 (27)
Four	148 (15)
Age, mean (SD)	69.1 (7.0)
Race
White	972 (98)
Black	15 (2)
Years of education, mean (SD)	14.8 (2.9)
Use of anti-depressant medication	27 (3)
Physical activity (METS/week), mean (SD)	17.0 (21.7)
Missing information on physical activity	25 (3)

Abbreviations: SD standard deviation, METS metabolic equivalent of task score.

^*Unless otherwise noted.