CROSS-CULTURAL INVARIANCE OF THE BIRTH SATISFACTION SCALE-REVISED (BSS-R): COMPARING US AND UK SAMPLES
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Objective: This research sought to test the measurement invariance of the Birth Satisfaction Scale-Revised (BSS-R) across United States (US) and United Kingdom (UK) samples. Multiple-group measurement invariance analyses included tests of configural invariance, metric invariance, and scalar invariance of the BSS-R. Once scalar invariance was demonstrated, latent means analysis compared levels of birth satisfaction across the samples. Method: Using Confirmatory Factor Analysis (CFA), data previously collected from 409 mothers (181 US mothers; 228 UK mothers) were used to examine the multiple-group measurement invariance of the BSS-R model across US and UK samples. Results: A higher-order BSS-R model demonstrated lack of measurement invariance. A correlated factors BSS-R demonstrated partial measurement invariance. US mothers had significantly lower birth satisfaction levels on the three BSS-R subscales. Conclusions: This research demonstrates that the BSS-R is a robust tool that can be used to reliably measure women's birth satisfaction within and across the US and UK. Clinical implications for examining birth satisfaction within and across the US and UK are discussed.