Table 1.

Summary of demographic characteristics

Demographic characteristics	n	%
Age
Octogenarian	71	33.8
Centenarian	139	66.2
Gender
Female	155	73.8
Male	55	26.2
Type of residence
Private home	148	70.5
Long-term care facility	62	29.5
Ethnicity
White/Caucasian	174	82.9
Black/African-American	36	17.1
Subjective health
Poor	7	3.4
Fair	42	20.4
Good	114	55.3
Excellent	43	20.9
Number of people in social network
One or two	7	3.4
Three or four	14	6.8
Five or more	184	89.8
Frequency of visits
Not at all	16	7.8
Once per week	12	5.8
2–6 times per week	51	24.8
Once a day or more	127	61.7