Table 1: Summary of demographic characteristics.

Demographic characteristics %
Age
 Octogenarian ( )7223.5
 Centenarian ( )23476.5
Gender
 Female243 79.4
 Male63 20.6
Type of residence
 Private home/apartment16554.1
 Personal care4815.7
 Nursing home9230.2
Ethnicity
 White/Caucasian24078.4
 Black/African American6621.6
Education
 Less than high school complete9934.1
 High school diploma6121.0
 GED/some college6723.1
 College/graduate degree6321.7
Subjective health
 Poor10   3.3
 Fair6922.7
 Good14848.7
 Excellent7725.3