Table 1 Description of baseline characteristics of the 3 cohort samples.
From: Corticolimbic DCC gene co-expression networks as predictors of impulsivity in children
MAVAN | ||||
Sample description | Total (n = 202) | Low ePRS (n = 96) | High ePRS (n = 106) | p-value |
Sex – male (n) | 49.5% (100) | 56.3% (54) | 43.4% (46) | 0.09 |
Maternal age at birth (years) | 30.72 (4.90) | 31.42 (5.07) | 30.08 (4.67) | 0.053 |
Gestational age (weeks) | 39.03 (1.23) | 38.89 (1.30) | 39.16 (1.15) | 0.11 |
Birth weight (g) | 3313 (452) | 3300 (450) | 3224 (456) | 0.71 |
Maternal education – University degree or above | 55.7% (108) | 54.3% (50) | 56.9% (58) | 0.47 |
Low family income | 20.6% (50) | 25.8% (23) | 27.3% (27) | 0.96 |
GUSTO | ||||
Sample description | Total (n = 398) | Low ePRS (n = 202) | High ePRS (n = 196) | p-value |
Sex – male (n) | 53.3% (212) | 49.5% (100) | 57.1% (112) | 0.15 |
Maternal age at birth (years) | 31.55 (5.04) | 31.81 (5.34) | 31.28 (4.73) | 0.37 |
Gestational age (weeks) | 38.49 (1.28) | 38.47 (1.33) | 38.50 (1.23) | 0.87 |
Birth weight (g) | 3137 (416) | 3127 (441) | 3147 (391) | 0.39 |
Maternal education – University degree or above | 35.64% (103) | 38.36% (56) | 32.88% (47) | 0.39 |
Household income < $2000 SGD per month | 12.11% (35) | 15.75% (23) | 8.39% (12) | 0.08 |
ALSPAC | ||||
Sample description | Total (n = 4392) | Low ePRS (n = 2210) | High ePRS (n = 2182) | p-value |
Sex – male (n) | 49.2% (2159) | 48.6% (1075) | 49.7% (1084) | 0.51 |
Maternal age at birth (years) | 29.31 (4.47) | 29.31 (4.47) | 29.31 (4.47) | 0.97 |
Gestational age (weeks) | 39.76 (1.27) | 39.79 (1.26) | 39.73 (1.28) | 0.11 |
Birth weight (g) | 3499 (465) | 3503 (458) | 3496 (471) | 0.61 |
Maternal education – University degree or above | 18.9% (786) | 19.7% (411) | 18.2% (375) | 0.25 |
Low SESa | 35.0% (1537) | 34.5% (762) | 35.5% (775) | 0.49 |