Overview of study outcomes and timepoints
| Variables | Instruments | Study period | ||||||
| T1 Baseline | T2 Immediate intervention | T3 Postimmediate intervention | T4 Delayed intervention | T5 Postdelayed intervention | T6 Follow-up | T7 Feedback phone call | ||
| CB-IM | Diaries | IIG+WCG | IIG+WCG | WCG | IIG | |||
| Content of CB-IM | IIG+WCG | IIG+WCG | WCG | IIG | ||||
| Distress of CB-IM | IIG+WCG | IIG+WCG | WCG | IIG | ||||
| Nowness of CB-IM | IIG+WCG | IIG+WCG | WCG | IIG | ||||
| Sensorial modalities of CB-IM | IIG+WCG | IIG+WCG | WCG | IIG | ||||
| CB-PTSS | City Birth Trauma Scale44 | IIG+WCG | IIG+WCG | WCG | IIG | |||
| Anxiety | Hospital Anxiety and Depression scale–Anxiety subscale46 | IIG+WCG | IIG | |||||
| Postnatal depression | Edinburgh Postnatal Depression Scale48 | IIG+WCG | IIG | |||||
| Heart rate variability | Firstbeat Bodyguard 2 ECG device | IIG | WCG | |||||
| Subjective distress | Visual Analogue Scales | IIG | WCG | |||||
| Intervention acceptability | Feedback questionnaire III | IIG+WCG | ||||||
| Sociodemographic variables | Sociodemographic questionnaire | IIG+WCG | ||||||
| Obstetric and medical data | Medical records and self-report questionnaire | IIG+WCG | ||||||
CB-IM, childbirth-related intrusive memories; CB-PTSS, childbirth-related post-traumatic stress symptoms; ECG, Electrocardiogram; IIG, Immediate Intervention Group; T1, weeks 1 and 2 preimmediate intervention; T2, day 15; T3, weeks 1 and 2 postimmediate intervention; T4, day 30; T5, weeks 1 and 2 postdelayed intervention; T6, weeks 5 and 6 postimmediate intervention; WCG, waitlist control group.