Table 2.
Mean Hopelessness Score by 5-HTTLPR Genotype
Model | l/l | l/s | s/s | p-value (trend) |
---|---|---|---|---|
All study participants (n = 870) | 282 (32%) | 416 (48%) | 171 (20%) | |
Adjusted by race | 2.5 ± 0.1 | 2.8 ± 0.1 | 3.1 ± 0.2 | 0.015 |
Adjusted by race, age, depressive symptoms and antidepressant use | 2.5 ± 0.1 | 2.8 ± 0.1 | 3.1 ± 0.1 | 0.004 |
Males (n = 710) | 2.5 ± 0.1 | 2.9 ± 0.1 | 3.3 ± 0.2 | 0.001 |
Females (n = 160) | 2.4 ± 0.3 | 2.6 ± 0.2 | 2.2 ± 0.4 | 0.76 |
Non-depressed participants (n = 678) | 227 (33%) | 314 (46%) | 137 (20%) | |
Adjusted by race | 2.4 ± 0.2 | 2.6 ± 0.2 | 3.0 ± 0.2 | 0.03 |
Adjusted by race, age, depressive symptoms, and antidepressant use | 2.3 ± 0.2 | 2.5 ± 0.2 | 2.9 ± 0.2 | 0.007 |
Males (n = 579) | 2.3 ± 0.2 | 2.6 ± 0.2 | 3.0 ± 0.2 | 0.004 |
Females (n = 99) | 2.1 ± 0.5 | 2.2 ± 0.4 | 2.7 ± 0.5 | 0.48 |