| Maternal postpartum depressive symptoms | Infantile aggression |
Maternal problems in reciprocal social behavior | ρ = 0.119, p = 0.002 | ρ = 0.078, p = 0.030 |
Maternal age | ρ = −0.006, p = 0.865 | ρ = −0.054, p = 0.137 |
Paternal age | ρ = 0.000, p = 0.991 | ρ = −0.067, p = 0.062 |
Maternal years of education | ρ = 0.029, p = 0.436 | ρ = −0.109, p = 0.003 |
Paternal years of education | ρ = 0.012, p = 0.753 | ρ = −0.107, p = 0.003 |
Marital status | ρ = 0.003, p = 0.935 | ρ = 0.113, p = 0.002 |
Annual household income | ρ = 0.042, p = 0.262 | ρ = 0.096, p = 0.008 |
Maternal history of depression and/or anxiety disorders | ρ = 0.133, p < 0.001 | ρ = 0.021, p = 0.571 |
Infant gender | ρ = 0.018, p = 0.630 | ρ = 0.113, p = 0.002 |