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. Author manuscript; available in PMC: 2015 Apr 15.
Published in final edited form as: J Alzheimers Dis. 2015 Jan 1;45(4):1149–1155. doi: 10.3233/JAD-142658

Table 2.

WRAP Participant Characteristics.

Characteristic Mean (SD) or N (%)
Age (years) 55.6 (6.6)
Gender (female) 221 (72.9)
Family Gender Distributions
Mixed Genders 44 (36.7)
All Females 66 (55.0)
All Males 10 (8.3)
Education
High School or Equivalent 38 (12.5)
Some College/Technical School 113 (37.1)
College Graduate 90 (29.5)
Post-Graduate 64 (21.0)
APOE ε2 Count
0 268 (88.5)
1 33 (10.9)
2 2 (0.7)
APOE ε4 Count
0 160 (52.8)
1 120 (39.6)
2 23 (7.6)
Siblings per Family
2 88 (73.3)
3 20 (16.7)
4 4 (3.3)
5 3 (2.5)
6+ 5 (4.2)

Based on related participants who completed wave 2 (N=303 individuals, 120 families).