The Development of the Healthy Pregnancy Stress Scale, and Validation in a Sample of Low-Income African American Women

Abstract

Objectives The association of stress with pregnancy health is well-known. However, few studies take a mixed methods approach to understand the stressors contributing to a woman's pregnancy-related stress. Among African American women, exposure to stressors during pregnancy likely contributes to disparities in pregnancy health outcomes. This work aimed to understand the types and magnitude of stressors African American women are exposed to during pregnancy. Methods Using a mixed methods research design, we developed and administered the Healthy Pregnancy Stress Scale to measure stressors within the stress environment of African American women living in poverty. Results Exploratory factor analysis with one random split-half sample (N = 85) identified a two-factor model. Factor 1, defined as general pregnancy stressors, had significant loadings for ten items that ranged in magnitude from 0.319 to 0.724. Factor 2, defined as relationship strain, had significant loadings for three items ranging in magnitude from 0.613 to 0.856. Confirmatory factor analysis in the second random split-half sample (N = 88) showed a strong fit for the two factor model with factor loadings similar in magnitude. Standard fit statistics and those that adjust for item non-normality suggested an adequate fit to the data (RMSEA = 0.057, CFI = 0.947, TLI = 0.932; Satorra-Bentler RMSEA = 0.037, CFI = 0.972, TLI = 0.965). Conclusions for Practice Our measurement tool may provide a way to determine differences in pregnancy stress experiences across diverse populations of women. Future research should include a test for construct validity by correlating the scale with other measures that should have a specific directional relationship in diverse populations.

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