We used the Early Childhood Longitudinal Study-Birth Cohort 9- and 24-mo surveys (n = 8693) and Structural Equation Modeling to examine direct and indirect associations between food insecurity and toddlers' overweight (weight for length), physical health, and length for age. There were significant effects of food insecurity on parental depression and parental depression in turn influenced physical health. There were also significant effects of food insecurity on parenting practices, which in turn were significantly associated with infant feeding and subsequently toddlers' overweight. There were no significant direct or indirect associations between food insecurity and toddlers' length for age. Our results show that food insecurity influences parenting, including both depression and parenting practices. Findings suggest parental depression is a stressor on parenting behavior that social policy should address to alleviate problematic child health outcomes. Findings underscore the importance of continuing and strengthening policy initiatives to ensure that families with infants and toddlers have sufficient, predictable, and reliable food supply.

Social policies that address the adequacy and predictability of food supplies in families with infants have the potential to affect parental depression and parenting behavior, and thereby attachment and cognitive development at very early ages.

This study uses a sample of 2,139 resident biological fathers from the Fragile Families and Child Wellbeing surveys (baseline and 12-month follow-up), to examine whether paternal aggravation and stress in parenting is associated with father engagement and coparenting and whether this association differs by father's socioeconomic status. Results of Ordinary Least Squares regression models indicate that paternal aggravation and stress in parenting is significantly associated with lower levels of father engagement and with less supportive coparenting relationships (controlling for mothers' aggravation and stress in parenting). Findings also indicate a more negative association between paternal aggravation/stress in parenting and father engagement and coparenting for fathers with household incomes below the poverty threshold. Findings suggest that policies aimed at decreasing parenting stress may be especially beneficial to fathers living in poor families.

Using a sample of resident fathers in the Early Childhood Longitudinal Study-Birth Cohort (9-month Father Study), this study examined how father involvement is associated with infant cognitive outcomes in two domains (babbling and exploring objects with a purpose). Results from a series of logistic regression models indicate that varied aspects of father involvement (cognitively stimulating activities, physical care, paternal warmth, and caregiving activities) are associated with a lower likelihood of infant cognitive delay. Two-way interaction models further indicate that father involvement is related to greater reductions in infant cognitive delay for male infants than for female infants and for infants with disabilities than for infants without. These findings point to the importance of considering fathers' roles in early infant outcomes. Early positive father-child interactions reduce cognitive delay.

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