Table 1. Results of generalized estimating equation analysis examining the effect of maltreatment, the 5-HTTLPR genotype, and the quality of the child's relationship with his or her primary support (WALD type 3 statistic).
| Source | df | χ2 test | Significance |
|---|---|---|---|
| Age | 1 | 0.35 | ns |
| Sex | 1 | 0.01 | ns |
| Ancestral proportion score | 1 | 0.82 | ns |
| Genotype | 2 | 12.3 | 0.002 |
| Maltreatment group | 1 | 4.2 | 0.04 |
| Social support: quality primary relationship | 3 | 11.2 | 0.01 |
| Genotype × maltreatment | 2 | 10.0 | 0.007 |
| Genotype × social support | 6 | 2.9 | ns |
| Genotype × maltreatment × social support | 7 | 59.9 | 0.0001 |
ns, not significant.