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Table 1 Summary of measures

From: Maternal unwanted and intrusive thoughts of infant-related harm, obsessive-compulsive disorder and depression in the perinatal period: study protocol

Domain Measure Method Administrator Location
Data collection at 33-week in pregnancy
Consent 1 Written consent
Oral consent
Consent form
Check-in by interviewer
Participant
Interviewer
Online
Phone
Characteristics Demographic and reproductive history information Self-report questionnaire Participant Online
Symptoms Edinburgh Postnatal Depression Scale (EPDS)
Obsessional Beliefs Questionnaire (OBQ-44)
Dimensional Obsessive-Compulsive Scale (DOCS)
Self-report questionnaires Participant Online
Other areas of functioning Medical Outcome Study Social Support Survey (MOS-SSS)
Pittsburg Sleep Quality Index (PSQI)
Relationship Styles Questionnaire (RSQ)
Self-report questionnaires Participant Online
Diagnosis (OCD, MDE) Structured Clinical Interview for DSM-IV (modified to reflect the DSM-5) Structured Interview Interviewer Phone
Data collection at 7-week post-partum
Consent 2 Written consent
Oral consent
Consent form
Check-in by interviewer
Participant
Interviewer
Online
Phone
Characteristics Birth Information Self-report questionnaire Participant Online
Symptoms Edinburgh Postnatal Depression Scale (EPDS)
Obsessional Beliefs Questionnaire (OBQ-44)
Dimensional Obsessive-Compulsive Scale (DOCS)
Interpretations of Intrusions Inventory (III)
Self-report questionnaires Participant Online
Other areas of functioning Medical Outcome Study Social Support Survey (MOS-SSS)
Pittsburg Sleep Quality Index (PSQI)
Child Abuse Potential Inventory (CAP Inventory)
Self-report questionnaires Participant Online
Diagnosis (OCD, MDE) Structured Clinical Interview for DSM-IV (modified to reflect the DSM-5) Structured Interview Interviewer Phone
Thoughts of harm related to the baby Post-Partum Intrusions Interview (PPII)
Yale-Brown Obsessive Compulsive Scale (Y-BOSC)
Structured Interview Interviewer Phone
Data collection at 4-month post-partum
Consent Oral Consent Check-in by interviewer Interviewer Phone
Symptoms Edinburgh Postnatal Depression Scale (EPDS)
Obsessional Beliefs Questionnaire (OBQ-44)
Dimensional Obsessive-Compulsive Scale (DOCS)
Interpretations of Intrusions Inventory (III)
Self-report questionnaires Participant Online
Other areas of functioning Medical Outcome Study Social Support Survey (MOS-SSS)
Pittsburg Sleep Quality Index (PSQI)
Parenting Behaviours Questionnaire (PBQ)
Self-report questionnaires Participant Online
Diagnosis (OCD, MDE) Structured Clinical Interview for DSM-IV (modified to reflect the DSM-5) Structured Interview Interviewer Phone
Thoughts of harm related to the baby Post-Partum Intrusions Interview (PPII)
Yale-Brown Obsessive Compulsive Scale (Y-BOCS)
Structured Interview Interviewer Phone