TABLE 2.
Subject characteristics at baseline and at 6-wk follow-up1
6-wk Follow-up |
||||
Baseline (total n = 272) | Reported change in supplement use (n = 45) | Did not report change in supplement use (n = 227) | P | |
Age (y) | 58.1 ± 10.62 | 54.2 ± 8.9 | 58.9 ± 10.7 | 0.006 |
Sex [n (%)] | 0.07 | |||
Women | 193 (71.0) | 37 (80.4) | 156 (68.4) | |
Men | 79 (29.0) | 8 (19.6) | 71 (31.6) | |
Race [n (%)] | 0.85 | |||
White | 221 (81.3) | 37 (82.2) | 184 (81.1) | |
African American | 51 (18.8) | 8 (17.8) | 43 (18.9) | |
Educational level [n (%)] | 0.53 | |||
<4 y of college | 86 (31.6) | 16 (35.6) | 70 (30.7) | |
≥4 y of college | 186 (68.4) | 29 (64.4) | 157 (69.3) | |
APOE status [n (%)] | <0.0001 | |||
ϵ4− | 161 (59.2) | 13 (28.9) | 148 (65.1) | |
ϵ4+ | 111 (40.8) | 32 (71.1) | 79 (34.8) | |
Baseline supplement consumption [n (%)] | 0.02 | |||
Yes | 138 (50.7) | 30 (66.7) | 108 (47.6) | |
No | 134 (49.3) | 15 (33.3) | 119 (52.4) | |
Randomization arm [n (%)] | 0.006 | |||
Condensed | 182 (66.9) | 38 (84.4) | 144 (20.9) | |
Extended | 90 (33.1) | 7 (15.5) | 83 (79.1) | |
Number of affected relatives [n (%)] | 0.13 | |||
1 | 155 (57.0) | 21 (53.3) | 134 (59.0) | |
>1 | 117 (43.0) | 24 (46.7) | 93 (41.0) |
−, absence of the risk-increasing ϵ4 allele; ϵ4+, having at least one copy of the risk-increasing ϵ4 allele.
Mean ± SD (all such values).