Table 2

Overview and time frame of data sampling by questionnaires

Questionnaire time point	Mother	Other parent
Inclusion (pregnancy), approximately 20 min	GSE†, HADS†, SOC†, EPDS†, EQ5D-VAS*†
Inclusion (pregnancy), approximately 20 min	COPE questionnaire*†‡: Demographic variables, COVID-19 symptoms, physical activity, subjective experiences and free-text option
1-week post partum, approximately 5 min	COPE questionnaire: hospital stay, COVID-19 symptoms, hygiene measures etc.*†‡
1, 2, 3, 4, 5, 6 weeks post partum, approximately 5 min	COPE questionnaire: Morbidity-Q*†‡ At 6 weeks also COVID-19 symptoms
8–12 weeks post partum, approximately 30 min	CEQ, BSES, EPDS*†	FTFQ*
	HADS†, PBQ, SQ-PTSD, EQ5D-VAS†
	COPE questionnaire*†‡: demographic variables, COVID-19 symptoms, physical activity, subjective experiences and free-text option
4 months (corrected age), approximately 10 min	ASQ*
9 months (corrected age), approximately 10 min	ASQ*
10 months post partum, approximately 25 min	CEQ*
	GSE†, HADS†, SOC†, SQ-PTSD, EQ5D-VAS*†
	COPE questionnaire*†‡: demographic variables, physical activity, subjective experiences and free-text option
12 months (corrected age), approximately 10 min	ASQ*
2 years post partum, approximately 25 min	ASQ*
2 years post partum, approximately 25 min	HADS, RSES, PSS, EQ5D-VAS, ECRS* COPE questionnaire: demographic variables
3 and 4 years post partum, approximately 25 min	ASQ*
3 and 4 years post partum, approximately 25 min	HADS, RSES, PSS, EQ5D-VAS COPE questionnaire: demographic variables

*Available in English.
†Available in Arabic.
‡Available in Somali.
ASQ, Ages and Stages Questionnaire-Version III; BES, Breastfeeding Self-Efficacy Scale; CEQ, Childbirth Experience Questionnaire; COPE, COVID-19 in Pregnancy and Early Childhood; ECRS, Experiences in Close Relationsships Scale; EPDS, Edinburgh Postnatal Depression Scale; FTFQ, First Time Fathers Questionnaire; GES, General Self-Efficacy scale; HADS, Hospital Anxiety and Depression Scale; PBQ, Postpartum Bonding Questionnaire; PSS, Perceived Stress Scale; RSES, Rosenberg Self-esteem Scale; SOC-13, 13-item Sense of Coherence Scale; SQ-PTSD, Screen Questionnaire - Post-Traumatic Stress Disorder; ; VAS, Visual Analogue Scale.