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Table 1 Variables and measures used in each phase of the study

From: Impact of the Covid-19 pandemic on perinatal mental health (Riseup-PPD-COVID-19): protocol for an international prospective cohort study

Variables Measures Baseline T1 T2 T3
Independent/predictor
 COVID-19 epidemiology and public health measures OxCGRT X X X X
 Demographic variables 14 questions X    
 Perinatal health care experiences related with COVID-19 COPE-IS X    
 COVID-19 exposures and symptoms COPE-IS; COPE-IU X X X X
 COVID-19 financial impact COPE-IS; COPE-CF X X X X
 COVID-19 social support impact COPE IS; COPE-CF X X X X
 COVID-19 coping strategies COPE-IS; COPE-IU X X X X
 COVID-19 emotional impact COPE-IS; COPE-IU X X X X
 Health background, mental health, and substance use COPE-IS X    
 Psychological distress BSI-18 X X X X
Dependent/outcome
 Depression symptoms EPDS X X X X
 Anxiety symptoms GAD-7 X X X X
 PTSD symptoms 10 questions from PTSD Checklist for DSM-5 included in COPE-IS; COPE-IU X X X X
  1. T1: 1-month follow-up; T2: 3-month follow-up; T3: 6-month follow-up; PTSD: Post-traumatic Stress Disorder; OxCGRT: Oxford COVID-19 Government Response Tracker; COPE-IS: Coronavirus Perinatal Experiences - Impact Survey; COPE-IU: Coronavirus Perinatal Experiences Scale - Impact Update; COPE-CF: Coronavirus Perinatal Experiences Scale - Care Follow Up; BSI-18: Brief Symptom Inventory-18; EPDS: Edinburgh Postnatal Depression Scale; GAD-7: Generalized Anxiety Disorder Screener