Table 1.
Demographic Variables by Genotype
| Genotype (n) | Age in years (SD) | Caucasian, % (n) | BMI (SD) | CDI (SD) | Postpubertal, % (n)a |
|---|---|---|---|---|---|
| COMT | |||||
| Val/val (21) | 12.14 (1.62) | 62% (13) | 20.84 (3.51) | 2.05 (2.19) | 50% (10) |
| Val/met (60) | 12.12 (1.55) | 77% (46) | 19.98 (2.97) | 1.84 (2.35) | 51% (21) |
| Met/met (22) | 12.41 (1.40) | 73% (16) | 19.40 (3.20) | 2.23 (2.37) | 53% (9) |
| 5-HTTLPR | |||||
| l/l (23) | 12.39 (1.27) | 87% (20) | 20.47 (2.62) | 2.27 (2.66) | 55% (11) |
| l/s (55) | 12.06 (1.63) | 75% (41) | 19.64 (3.30) | 1.85 (2.42) | 45% (18) |
| s/s (25) | 12.44 (1.45) | 56% (14) | 20.47 (3.18) | 1.96 (1.65) | 61% (11) |
a
Only 78 of the 103 participants reported their menarche status.
There were no significant genotype differences on any of the demographic variables.
BMI = body mass index; CDI = child depression inventory; COMT = catechol-O-methyltransferase; 5-HTTLPR = serotonin transporter promoter region; SD = standard deviation; n = number.