Table 1.
Frequencies for Independent Variables by Genotype, (N=218)
| 5-HTTLPR | COMT Val158Met | Total | |||||
|---|---|---|---|---|---|---|---|
| s/s n=28 |
s/l n=99 |
l/l n=91 |
Met/Met N=43 |
Met/Val N=99 |
Val/Val N=76 |
n=218 | |
| Age (M, SD) | 12.2 (.98) | 12.1 (.83) | 12.0 (.96) | 12.2 (.76) | 12.0 (.92) | 12.0 (.96) | 12.1 (.91) |
| Sex | |||||||
| Female (n, %) | 10 (35.7) | 46 (46.5) | 41 (45.1) | 15 (34.9) | 41 (41.4) | 41 (53.9) | 97 (44.5) |
| Male (n, %) | 18 (64.3) | 53 (53.5) | 50 (54.9) | 28 (65.1) | 58 (58.6) | 35 (46.1) | 121 (55.5) |
| Race/Ethnicity | |||||||
| EA (n, %) | 18 (64.3) | 56 (56.6) | 38 (41.8) | 30 (69.8) | 49 (49.5) | 33 (43.4) | 112 (51.4) |
| AA (n, %) | 4 (14.3) | 30 (30.3) | 37 (40.7) | 9 (20.9) | 30 (30.3) | 32 (42.1) | 71 (32.6) |
| Other (n, %) | 6 (21.4) | 13 (13.1) | 16 (17.6) | 4 (9.3) | 20 (20.2) | 11 (14.5) | 35 (16.1) |
| Family Income | |||||||
| 0-48,000 | 5 (17.9) | 19 (19.2) | 26 (28.6) | 5 (11.6) | 26 (26.3) | 19 (25.0) | 50 (22.9) |
| 48,001-85,000 | 4 (14.3) | 26 (26.3) | 22 (24.2) | 11 (25.6) | 20 (20.2) | 21 (27.6) | 52 (23.9) |
| 85,001-120,000 | 5 (17.9) | 24 (24.2) | 22 (24.2) | 11 (25.6) | 24 (24.2) | 16 (21.1) | 51 (23.4) |
| 120,000-highest | 14 (50.0) | 30 (30.3) | 21 (23.1) | 16 (37.2) | 29 (29.3) | 20 (26.3) | 65 (29.8) |
| Emot Abuse | |||||||
| Yes (n, %) | 10 (35.7) | 54 (54.5) | 48 (52.7) | 20 (46.5) | 54 (54.5) | 38 (50.7) | 105 (48.4) |
| No (n, %) | 17 (60.7) | 45 (45.5) | 43 (47.3) | 23 (53.5) | 45 (45.5) | 37 (49.3) | 112 (51.6) |
Note. Due to some missing data not all n’s add up to 218 (valid percentages presented). Abbreviations, EA is European American, AA is African American, Emot Abuse is emotional abuse.