Table 1.
Sub-groups | P-words Mean (SD) |
S-words Mean (SD) |
|
---|---|---|---|
Age (years) |
> 60 (n = 135) ≤ 60 (n = 180) |
13.0 (5.0) 14.4 (4.6) |
14.0 (5.4) 15.1 (5.0) |
|
|||
Sex | Men (n = 136) Women (n = 179) |
13.6 (5.1) 13.9 (4.6) |
14.3 (5.3) 14.6 (5.2) |
|
|||
Education (years) |
≥ 14a (n = 170) < 14 (n = 145) |
15.3 (5.0)* 12.5 (4.3) |
16.0 (5.2)* 13.0 (4.8) |
Median split
sub-group differences within each letter cue: p < 0.001