Table 2.
n-3 Sample (N=344) | Diet Sample (N=299) | Full AHAB Sample (N=1295) | ||||
---|---|---|---|---|---|---|
| ||||||
Mean | SD | Mean | SD | Mean | SD | |
Age | 44.37 | 6.72 | 44.53 | 6.69 | 44.63 | 6.74 |
Sex (% male) | 46.8% | 48.8% | 47.3% | |||
Race (% Caucasian) | 88.4% | 89.0% | 83.5% | |||
Years of Schooling | 15.97 | 2.65 | 16.01 | 2.71 | 15.71 | 2.84 |
Smoking (% Smokers) | 12.2% | 18.7% | 16.4% | |||
Ann. Household Income (mean range / % in range) | $35,000 – $49,999 | 20.3% | $35,000 – $49,999 | 18.6% | $35,000 – $49,999 | 15.3% |
Drinks / Week | 2.92 | 4.23 | 2.93 | 4.30 | 3.80 | 7.50 |
IQ | 115.78 | 10.35 | 115.80 | 10.29 | 116.09 | 12.79 |
Kilocalories | 2447.91 | 1727.26 | 2408.07 | 1694.53 | 2416.47 | 1839.74 |
AA | 8.76 | 1.94 | 8.50 | 1.82 | ||
DHA | 1.74 | 0.86 | 1.62 | 0.74 | ||
EPA | 0.50 | 0.36 | .050 | 0.38 | ||
AA:DHA | 5.99 | 2.42 | 6.13 | 2.42 | ||
Calories from Fat | 33.86 | 7.93 | ||||
Calories from Saturated | 11.60 | 3.36 | ||||
Fat | ||||||
| ||||||
N-Back Factor | ||||||
| ||||||
Letter 1-Back | 51.89 | 4.21 | 51.95 | 4.06 | 51.15 | 5.04 |
Letter 3-Back | 38.68 | 6.53 | 38.51 | 6.60 | 37.93 | 6.96 |
Spatial 1-Back | 50.09 | 5.08 | 50.09 | 4.95 | 49.26 | 6.10 |
Spatial 2-Back | 41.50 | 6.62 | 41.43 | 6.63 | 40.70 | 7.47 |
| ||||||
Trail Making Factor | ||||||
| ||||||
Trail B Time | 52.72 | 18.29 | 53.45 | 18.85 | 55.67 | 22.14 |
Trail B – A Time | 28.01 | 16.43 | 28.42 | 17.09 | 30.65 | 19.56 |
| ||||||
Logical Memory Factor | ||||||
| ||||||
Memory Recall | 29.22 | 8.15 | 29.09 | 8.36 | 28.37 | 8.05 |
Memory Recognition | 26.97 | 2.44 | 26.92 | 2.48 | 26.67 | 2.52 |
Population Demographics: demographic information as well as descriptive statistics of cognitive performance for the full sample of participants