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Negative thoughts after childbirth: development and preliminary validation of a self-report scale
Pauline L Hall1, Costas Papageorgiou
1Doctoral Programme in Clinical Psychology, Lancaster University, UK. pauline.hall@bstmht.nhs.uk
Depression and Anxiety
|October 13, 2005
Summary
A new questionnaire, the Postnatal Negative Thoughts Questionnaire (PNTQ), effectively measures negative thoughts in mothers. It distinguishes between cognitive appraisals and the experience of negative thoughts, aiding in postpartum depression assessment.
Area of Science:
- Psychiatry
- Psychology
- Perinatal Mental Health
Background:
- Postpartum negative thoughts are a significant concern for maternal mental health.
- Existing measures may not fully capture the nuances of these thoughts.
- Understanding the appraisal of negative thoughts is crucial for identifying risks.
Purpose of the Study:
- To develop and validate a reliable questionnaire for detecting and measuring postpartum negative thoughts.
- To explore the factor structure of postpartum negative thoughts.
- To examine the relationship between negative thought appraisal and postpartum depression.
Main Methods:
- Semistructured interviews with mothers experiencing postnatal depression informed questionnaire content.
- A nonclinical sample of mothers (0-7 months postpartum) completed the questionnaire and other measures.
- Principal components analysis was used to determine the questionnaire's factor structure.
Main Results:
- The Postnatal Negative Thoughts Questionnaire (PNTQ) demonstrated a two-factor structure: appraisal of cognition, emotion, and situation (ACES) and baby-related and motherhood negative thoughts (BRM-NT).
- The PNTQ showed acceptable validity, satisfactory test-retest reliability, and internal consistency.
- Appraisal of negative thoughts was more strongly associated with postpartum depression than the mere experience of negative thoughts.
Conclusions:
- The PNTQ is a reliable and valid tool for assessing postpartum negative thoughts.
- Metacognitive appraisals of negative thoughts are key indicators for postpartum depression risk.
- The PNTQ can assist clinicians in identifying problematic negative thoughts and appraisals, potentially enhancing cognitive therapy for new mothers.