Key points are not available for this paper at this time.
Carolyn E. Cutrona, Beth R. Troutman, Social Support, Infant Temperament, and Parenting Self-Efficacy: A Mediational Model of Postpartum Depression, Child Development, Vol. 57, No. 6 (Dec., 1986), pp. 1507-1518
Cutrona et al. (1986) studied this question.