Measurement and Structural Invariance of Posttraumatic Stress Disorder Symptoms in Hispanic and Caucasian Firefighters: A Bias-Corrected Bootstrap Confidence Intervals Approach

被引:3
作者
Arbona, Consuelo [1 ]
Fan, Weihua [1 ]
Schwartz, Jonathan [1 ]
Pao, Christine [1 ]
Tran, Jana K. [2 ]
Buser, Sam [2 ]
机构
[1] Univ Houston, Houston, TX USA
[2] Houston Fire Dept, Firefighter Support Network, Houston, TX USA
关键词
posttraumatic stress disorder; PTSD; Hispanic; ethnicity; factor structure; invariance testing; CONFIRMATORY FACTOR-ANALYSIS; PTSD CHECKLIST; 5-FACTOR MODEL; PSYCHOMETRIC PROPERTIES; FACTORIAL INVARIANCE; DYSPHORIC AROUSAL; LATENT STRUCTURE; ETHNICITY; VETERANS; DIMENSIONALITY;
D O I
10.1177/1073191116685805
中图分类号
B849 [应用心理学];
学科分类号
040203 ;
摘要
This study compared across Hispanic and Caucasian firefighters the relative fit of the four-factor Emotional Numbing and Dysphoria posttraumatic stress disorder models to the more recently proposed Dysphoric Arousal five-factor model. As hypothesized, the Dysphoric Arousal five-factor model emerged as the best fitting model within each ethnic group and it also showed measurement invariance between groups (configural invariance). Results of multigroup confirmatory factor analyses and a bias-corrected bootstrap confidence intervals analytic approach indicated that the five factor model also demonstrated invariance in factor loadings (metric invariance) and item-level intercepts (scalar invariance) across the two ethnic groups. Results indicate that the Dysphoric Arousal five factor model captures similar psychological constructs across Caucasian and English-speaking Hispanic firefighters. Therefore, observed factor scores are comparable across ethnic groups and can be combined when examining predictors of posttraumatic stress disorder severity.
引用
收藏
页码:209 / 222
页数:14
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