Relationship discord at childbirth and parental postpartum depressive symptoms 437 Acknowledgements We thank all the mothers and fathers who took part in the present study. Birgitta Kerstis drafted the manuscript and performed some of the statistical analyses. Andreas Rosenblad helped in drafting the manuscript and performed most of the statistical analyses. The other authors contributed in interpre- tation of data and revised the article critically for important intellectual content. All authors have seen and approved the ﬁnal version of the article. Declaration of interest: The authors report no conﬂicts of interest. The authors alone are responsible for the content and writing of the paper. References 1. Heaton TB, Forste R, Hoffmann JP, Flake D. Cross-national variation in family inﬂuences on child health. Soc Sci Med. 2005;60:97–108. 2. Massoudi P, Wickberg B, Hwang CP. Fathers’ involvement in Swedish child health care—the role of nurses’ practices and attitudes. Acta Paediatr. 2011;100:396–401. 3. O’Hara M, Swain A. Rates and risk of postpartum depres- sion—a meta-analysis. Int Rev Psychiatry. 1996;8:37–54. 4. Bennett HA, Einarson A, Taddio A, Koren G, Einarson TR. Prevalence of depression during pregnancy: systematic review. Obstet Gynecol. 2004;103:698–709. 5. Gavin NI, Gaynes BN, Lohr KN, Meltzer-Brody S, Gartlehner G, Swinson T. Perinatal depression: a systematic review of prevalence and incidence. Obstet Gynecol. 2005; 106:1071–83. 6. Paulson JF, Bazemore SD. Prenatal and postpartum depres- sion in fathers and its association with maternal depression: a meta-analysis. JAMA. 2010;303:1961–9. 7. Wickberg B, Hwang C. Screening for postnatal depression in a population-based Swedish sample. Acta Psychiatr Scand. 1997;95:62–6. 8. Goodman JH. Paternal postpartum depression, its relation- ship to maternal postpartum depression, and implications for family health. J Adv Nurs. 2004;45:26–35. 9. Williamson V, McCutcheon H. Postnatal depression: a review of current literature. Aust J Midwifery. 2004;17:11–16. 10. Moehler E, Brunner R, Wiebel A, Reck C, Resch F. Maternal depressive symptoms in the postnatal period are associated with long-term impairment of mother-child bonding. Arch Womens Ment Health. 2006;9:273–8. 11. Beck CT. The effects of postpartum depression on maternal- infant interaction: a meta-analysis. Nurs Res. 1995;44:298–304. 12. Ramchandani P, Stein A, Evans J, O’Connor TG. Paternal depression in the postnatal period and child development: a prospective population study. Lancet. 2005;365:2201–5. 13. Ramchandani PG, O’Connor TG, Evans J, Heron J, Murray L, Stein A. The effects of pre- and postnatal depres- sion in fathers: a natural experiment comparing the effects of exposure to depression on offspring. J Child Psychol Psychi- atry. 2008;49:1069–78. 14. Paulson JF, Keefe HA, Leiferman JA. Early parental dep- ression and child language development. J Child Psychol Psychiatry. 2009;50:254–62. 15. Beck CT. Predictors of postpartum depression: an update. Nurs Res. 2001;50:275–85. 16. Goodman JH. Inﬂuences of maternal postpartum depression on fathers and on father-infant interaction. Infant Mental Health Journal. 2008;29:624–43. 17. Areias M, Kumar R, Barros H, Figueiredo E. Correlates of postnatal depression in mothers and fathers. Br J Psychiatry. 1996;169:36–41. 18. Pinheiro RT, Magalhaes PV, Horta BL, Pinheiro KA, da Silva RA, Pinto RH. Is paternal postpartum depres- sion associated with maternal postpartum depression? Population-based study in Brazil. Acta Psychiatr Scand. 2006;113:230–2. 19. Atkins DC, Dimidjian S, Bedics JD, Christensen A. Couple discord and depression in couples during couple therapy and in depressed individuals during depression treatment. J Consult Clin Psychol. 2009;77:1089–99. 20. Deater-Deckard K, Pickering K, Dunn JF, Golding J. Family structure and depressive symptoms in men preceding and following the birth of a child. The Avon Longitudinal Study of Pregnancy and Childhood Study Team. Am J Psychiatry. 1998;155:818–23. 21. Austin MP, Lumley J. Antenatal screening for postnatal depression: a systematic review. Acta Psychiatr Scand. 2003;107:10–17. 22. Cox JL, Murray D, Chapman G. A controlled study of the onset, duration and prevalence of postnatal depression. Br J Psychiatry. 1993;163:27–31. 23. Vesga-Lopez O, Blanco C, Keyes K, Olfson M, Grant BF, Hasin DS. Psychiatric disorders in pregnant and postpartum women in the United States. Arch Gen Psychiatry. 2008;65: 805–15. 24. Schulz MSCP, Cowan C. Promoting healthy beginnings: a randomized controlled trial of a preventive intervention to preserve marital quality during the transition to parenthood. J Consult Clin Psychol. 2006;74:20–31. 25. Salmela-Aro K, Halmesmäki E, Nurmi J-E. Couples share similar changes in depressive symptoms and marital satisfac- tion anticipating the birth of a child. J Soc Pers Relat. 2006;23: 781–803. 26. Spanier G. Measuring dyadic adjustment: new scales for assessing the quality of marriage and similar dyads. J Marriage Family. 1976;32:15–28. 27. Cox JL, Holden JM, Sagovsky R. Detection of postnatal depression. Development of the 10-item Edinburgh Postnatal Depression Scale. Br J Psychiatry. 1987;150:782–6. 28. South SC, Krueger RF, Iacono WG. Factorial invariance of the Dyadic Adjustment Scale across gender. Psychol Assess. 2009;21:622–8. 29. Spanier GB. Manual for the Dyadic Adjustment Scale. North Tonowanda, NY: Multi-Health Systems. 1989. 30. Graham J, Yenling L, Jeziorski J. The Dyadic Adjustment Scale: a reliability generalization meta-analysis. J Marriage Family. 2006;68:701–17. 31. Hansson K. Long term marriages. A study of couples who have been married or lived together for approximately 25 years. Nord Psykol. 1994;46:241–56. 32. Ngai FW, Chan SW, Holroyd E. Translation and validation of a Chinese version of the Self-Control Schedule in Chinese childbearing women. J Clin Nurs. 2008;17:323–32. 33. Hanlon C, Medhin G, Alem A, Araya M, Abdulahi A, Hughes M, et al. Detecting perinatal common mental dis- orders in Ethiopia: validation of the self-reporting question- naire and Edinburgh Postnatal Depression Scale. J Affect Disord. 2008;108:251–62.