The impact of the COVID-19 pandemic on stress and other psychological factors in pregnant women giving birth during the first wave of the pandemic

Table 2 Basic characteristics and obstetric information of the study population

	Mean	SD	Number	In percent
Age in years	32.48	4.31
Groups by age
Age < 35 years			62	66.0%
Age ≥ 35 years			32	34.0%
BMI before pegnancy	23.95	4.34
Groups by BMI
BMI < 25			62	66.7%
BMI ≥ 25			31	33.3%
Education
Non-academics¹			59	62.8%
Academics²			35	37.2%
Previous mental illness
No			87	92.5%
Yes			7	7.5%
Number of pregnancies
1			36	38.3%
2			33	35.1%
3			12	12.8%
4			8	8.5%
5 and more			5	5.4%
Number of births
1			49	52.1%
2			34	36.2%
3			9	9.6%
4 and more			2	2.2%
Number of vaginal births
0			24	25.5%
1			42	44.7%
2			20	21.3%
3			6	6.4%
4 and more			2	2.2%
Number of Caesarian sections
0			62	66.0%
1			26	27.7%
2			3	3.2%
3			3	3.2%
Number of miscarriages
0			70	74.5%
1			15	16.0%
2			6	6.4%
3 and more			3	3.2%
Number of artificial abortions
0			91	96.8%
1			3	3.2%
Mode of birth delivery
Vaginal birth			62	66.0%
Vacuum extraction			3	3.2%
Scheduled Caeserian section			20	21.3%
Unplanned/emergency Caeserian section			9	9.6%
Date of birth
Premature birth (before 37 weeks of pregnancy)			6	5.4%
Birth at term			78	94.6%
Multiples
Singular			87	92.6%
Twin			7	7.5%
High-risk pregnancy³
No			45	47.9%
Yes			49	52.1%
Complication during birth⁴
No			65	69.1%
Yes			29	30.9%

SD = standard deviation
¹Non-academics were women without an university degree
²Academics were university graduates
³High-risk pregnancy is defined according to risk catalogue B of the German maternity card which includes any complication in pregnancy
⁴Complication during birth were defined by changing mode of delivery and/or high blood loss (vaginal birth > 500 ml, caesarian section > 1000 ml) and/or fetal acidosis (pHarterial < 7.10, base excess < − 10 mmol/l)

ISSN: 1742-4755