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Table 1 Data collection plan

From: Online singing interventions for postnatal depression in times of social isolation: a feasibility study protocol for the SHAPER-PNDO single-arm trial

Type of measure Measures Timepoint collected Type of data
Feasibility Recruitment, attendance, retention and withdrawal rates, study completion Throughout intervention period Feasibility
Semi-structured interviews with a sub sample of 20–30 women and intervention deliverers to understand intervention uptake, acceptance, and acceptability Week 6
Mental health: screening tool for PND Edinburgh Postnatal Depression Scale (EPDS) (33) Baseline, weeks 3, 6, 16, 32 Quantitative
Demographic information Demographics interview, Childhood Experience of Care and Abuse-Questionnaire (CECA-Q) (34), Brief Life Events Scale (35), Intrusive Life Events Scale, Composite Abuse Scale (CAS) (36) Baseline
Mental health: depression, anxiety, wellbeing, stress Structured Clinical Interview for DSM-IV Disorders (SCID-IV) (37) Baseline
Hamilton Depression Rating Scale (HDRS) (38) Baseline, week 6
Beck Depression Inventory (BDI) (39), State Trait Anxiety Inventory (STAI) (40), Perceived Stress Scale (PSS) (41), Office for National Statistics Wellbeing Scale (ONS) (42) Baseline, weeks 3, 6, 16, 32
Social: mother-infant relationship Maternal Postpartum Attachment Scale (MPAS) (43), Parental Reflective Functioning Questionnaire (PRFQ) (44) Baseline, weeks 3, 6, 16, 32
Crittenden CARE-Index (CCI) (45) Baseline, weeks 6, 32
Social: loneliness and social support UCLA Loneliness Scale (46), Short General Self-Efficacy Scale (GSE-6) (47), Multidimensional Scale of Perceived Social Support (MSPSS) (48) Baseline, weeks 3, 6, 16, 32
Biological markers Diurnal cortisol saliva samples Baseline, week 6
Pre- and post-session saliva samples Singing sessions 1, 6
Qualitative interview Semi-structured interviews with a sub sample of 20–30 women and intervention deliverers for clinical mechanisms of effect After week 6 Qualitative