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  • Title: Psychometric properties of the Postpartum Bonding Questionnaire and correlates of mother-infant bonding impairment in Italian new mothers.
    Author: Busonera A, Cataudella S, Lampis J, Tommasi M, Zavattini GC.
    Journal: Midwifery; 2017 Dec; 55():15-22. PubMed ID: 28915376.
    Abstract:
    OBJECTIVE: impaired maternal bonding is a risk factor for problems with infant well-being and development. The investigation of perinatal variables related to disorders of the mother-infant relationship as well as the administration of reliable and valid screening tools to new mothers in the postpartum can help identify early signs of a disturbed mother-child relationship. The Postpartum Bonding Questionnaire (PBQ) has been shown to be a valid screening instrument, but its dimensional structure is still controversial. An analysis of the literature demonstrated the need for research into the perinatal correlates of the quality of mother-newborn bonding as measured by the PBQ, and for information about the reliability and validity of the Italian version of the questionnaire. AIM: to (a) carry out preliminary analysis of the psychometric properties of an Italian version of the PBQ and (b) explore how mother-infant disturbances are related to relevant perinatal psychological variables. DESIGN: the research design consisted of a prenatal and a postnatal phase. SETTING: prenatal education classes delivered in public and private institutions. PARTICIPANTS: 123 pregnant Italian women were recruited from prenatal education classes. MEASUREMENTS: in the prenatal period participants completed a questionnaire measuring maternal-fetal attachment; at the postnatal assessment (3 months postpartum) participants completed the Italian PBQ together with measures of mother-infant attachment, the couple's adjustment and maternal psychological well-being. Exploratory factor analysis was used to investigate the factor structure of the PBQ. Internal consistencies were evaluated using Cronbach's alpha. Nomological validity was assessed via Pearson correlations. FINDINGS: a three-factor model provided the most meaningful representation of the PBQ data, with one factor reflecting annoyance and anger towards the infant, another reflecting detachment and rejection and the third reflecting anxiety about infant care. Internal consistencies were good. Impaired mother-infant bonding was negatively correlated with prenatal and postnatal mother-infant attachment and couple adjustment, as well as being positively correlated with maternal depressive symptoms. KEY CONCLUSIONS AND IMPLICATIONS FOR PRACTICE: the Italian PBQ is a reliable, valid screening instrument and can be used for research, including transcultural comparisons in perinatal psychiatry. It can also be used clinically to detect signs of a disordered mother-child relationship. Knowledge of the variables generally associated with mother-infant bonding problems combined with data from postpartum administration of the PBQ could be used in midwifery to develop preventive programmes based on the specific needs of new mothers.
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