Validation of the German version of the pregnancy-related anxiety scale (PrAS) : Psychometric properties across all trimesters of pregnancy

Journal article


Weigl, Tobias, Brunton, Robyn, Dryer, Rachel and Garthus-Niegel, Susan. (2023). Validation of the German version of the pregnancy-related anxiety scale (PrAS) : Psychometric properties across all trimesters of pregnancy. BMC Pregnancy and Childbirth. 23(1), p. Article 472. https://doi.org/10.1186/s12884-023-05787-z
AuthorsWeigl, Tobias, Brunton, Robyn, Dryer, Rachel and Garthus-Niegel, Susan
Abstract

Background
Pregnancy-related anxiety has received greater research attention recently given its association with adverse outcomes (e.g., negative birth experiences). The Pregnancy-related Anxiety Scale (PrAS) offers the possibility to assess pregnancy-related anxiety, but no German version is available. Therefore, the aim of this study was to validate a German version of the PrAS, a comprehensive measure with eight dimensions.

Methods
Pregnant women of any parity or gestation completed an online survey consisting of the PrAS, PRAQ-R2, and measures of anxiety, depression, and resilience. The PrAS was translated into German (PrAS-G) using the back-translation method. Data were subjected to confirmatory factor analysis and inferential statistics.

Results
Complete data were provided by 443 women. Participants were predominantly German nationals, partnered, and well-educated with a planned pregnancy. Approximately half were nulliparous. The eight-factor model was well fitting and consistent with the development of the original PrAS. Criterion-related validity was demonstrated by strong correlations with similar measures (PRAQ-R2, anxiety, and depression) and lower correlations with resilience scores. Predictive validity was shown by group comparisons for: planned versus unplanned pregnancy, trimester, and parity.

Conclusions
The PrAS-G provides a broader assessment of pregnancy-related anxiety than existing measures. Initial evaluation has demonstrated convergent, divergent, and predictive validity, excellent internal consistency, and good model fit indicating promising psychometric properties. The PrAS-G offers a comprehensive assessment of pregnancy-related anxiety which will enable tailored interventions aiming to improve birth experience and well-being of expectant mothers.

Keywordspregnancy; anxiety; screening; psychometric properties; questionnaire
Year2023
JournalBMC Pregnancy and Childbirth
Journal citation23 (1), p. Article 472
PublisherBioMed Central
ISSN1471-2393
Digital Object Identifier (DOI)https://doi.org/10.1186/s12884-023-05787-z
PubMed ID37355600
Scopus EID2-s2.0-85162761594
PubMed Central IDPMC10290791
Open accessPublished as ‘gold’ (paid) open access
Page range1-12
Publisher's version
License
File Access Level
Open
Output statusPublished
Publication dates
Online24 Jun 2023
Publication process dates
Accepted15 Jun 2023
Deposited31 Oct 2023
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