Maternal stress, child behavior and the promotive role of older siblings.

In other words, higher maternal stress was linked to higher behavior problems in children at 7 years of age, and although maternal stress and child behavior problems were always significantly correlated in the three waves (Spearman exact test: all p < 0.001, N = 228, with rho ranging from 0.229 to 0.402), these relationships failed to reach significance after taking into account the other dynamic parameters (see non-significant estimates of correlated change in Table S 2 in Suppl.

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