Negative correlations between PRAS-S and the demographic variables of birth order, education level, gestational age, and maternal age. 

New Mexico Highlands University

PRAS-S developed from PRAS and used Principal Axis Factoring (PAF) to develop two potential screeners. Study was done in Australia. 

Study on Psychometric Properties of Pregnancy Related Anxiety Scale Screener (PRAS-S) 

Dryer, R., Brunton, R., He, D., & Lee, E. (2022). Psychometric properties of the Pregnancy-Related Anxiety Scale—Screener. Psychological Assessment, 34(5), 443–458. https://doi-org.proxy.wichita.edu/10.1037/pas0001110.supp (Supplemental)

Psychometric Properties of the Pregnancy-Related Anxiety Scale—Screener

3 samples. Sample 1 was recruited on Facebook. Sample 2 was from a previous study on childhood trauma and pregnancy-related anxiety. High risk pregnancies excluded from samples 1 and 2. Sample 3 was from a previous study and included some high risk pregnancies.

Sample for Study on Psychometric Properties of PRAS-S

Focused on 5 factors with the most variance. The factors together explained 81.08% of the variance, and included the labels body image (39.03%), Baby Concerns (13.37%), Medical Staff (12.39%), Anxiety Symptoms (9.19%), and Childbirth (7.12%). Better internal consistency than PRAS-S Model 2 for Study on Psychometric Properties of PRAS-S. 

PRAS-S Model 1 for Study on Psychometric Properties of PRAS-S

Took the highest loading items from the 8 subscales. The factors together explained 64.22% of the variance and the labels included Childbirth Attitudes (33.375%), Body Image (12.249%), Anxiety (10.558%), and Baby Concerns (8.039%).

PRAS-S Model 2 for Study on Psychometric Properties of PRAS-S

PRAS-S correlated with PASS excessive fears and general worries; PRAQ-R2; and CWS. PRAS-S correlated less with EDS, STAI-S6 (state anxiety), anxiety disorders symptoms in PASS, and neuroticism in IPIP-N.

Construct Validity for Study on Psychometric Properties of PRAS-S

Baby Concerns, Childbirth, and Body Image PRAS-S subscales correlated and had convergent validity with PRAQ-R2, and CWS Sociomedical subscale. Body Image subscale correlated with IPIP-N. Medical staff subscale had greatest amount of variance but didn’t correlate much with other measures (PRAQ-R2, PASS, EDS, IPIP-N, and CWS subscales).

PRAS-S Subscales Correlations for Study on Psychometric Properties of PRAS-S

Measures on nonsomatic symptoms of anxiety correlated with STAI-S6 and PASS. Anxiety subscale correlated with EDS, and IPIP-N. 

Anxiety Correlations for Study on Psychometric Properties of PRAS-S

PRAS-S is 15 items long so doesn’t meet UK's National
Institute for Health and Care Excellence's (NICE) guidelines that prenatal mental health screenings in clinical and community settings should be under 12 items. 

Disadvantages of PRAS-S As Per Study on Psychometric Properties of PRAS-S

It’s valid, reliable, measures nonsomatic anxiety symptoms, and relatively brief. 

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