Table 1.
Variable | OXTR G/G (n = 34) | OXTR A-Alleles (n = 21) | Group difference |
---|---|---|---|
Age, m (SD) | 12.11 (2.42) | 11.05 (2.59) | ns |
Sex (Females), n (%) | 23 (67.65) | 11 (52.38) | ns |
IQ, m (SD) | 104.04 (12.33) | 100.72 (16.1) | ns |
Pubertal Development Group (Tanner Staging), n (%) | ns | ||
Pre/Early Pubertal | 14 (41.18) | 12 (57.14) | |
Mid/Late Pubertal | 20 (58.82) | 9 (42.86) | |
Ethnicity/Race, n (%) | ns | ||
African American | 12 (35.3) | 11 (52.3) | |
Caucasian | 12 (35.3) | 6 (28.6) | |
Mixed | 5 (14.7) | 2 (9.5) | |
Hispanic | 1 (2.9) | 1 (4.8) | |
Not reported | 4 (11.8) | 1 (4.8) | |
Annual Household Income, n (%) | ns | ||
Less than $40,000 | 16 (47.1) | 14 (66.7) | |
$40,000 - $60,000 | 9 (26.5) | 2 (9.5) | |
$60,000 - $80,000 | 3 (8.8) | 2 (9.5) | |
$80,000 - $100,000 | 2 (5.9) | 0 | |
Over $100,000 | 3 (8.8) | 3 (14.3) | |
Not Reported | 1 (2.9) | 0 | |
Whole Brain Volume (mm3), m (SD) | 1378701.18 (140652.9) | 1364428.1 (106421.75) | ns |
Number of Early Life Stressors (TESI), m (SD) | 2.82 (2.02) | 2.05 (1.1) | ns |
Anxiety Symptoms (SCR), m (SD) | 16.32 (12.06) | 14.95 (12.27) | ns |
Depressive Symptoms (CDI), m (SD) | 2.94 (3.43) | 1.81 (2.79) | ns |
Group difference tested using t-tests (age, IQ, anxiety), chi-square tests (sex, race), or Mann-Whitney U tests (income).
Abbreviations: mean, m; not significant, ns; Intelligence quotient, IQ; Screen for Child Anxiety Related Emotional Disorders, SCR; Children's Depression Inventory, CDI: Traumatic Events Screening Inventory, TESI.