Review of the psychometric properties and measurement invariance of the Adult Self-Report Scale for ADHD in a sample of employees in Puerto Rico

This study examined the psychometric properties and measurement invariance of the 6-item Adult ADHD Self-Report Scale Screener (ASRS-6) in a sample of 753 Spanish-speaking employed adults in Puerto Rico. Confirmatory factor analyses supported a bifactor model with a dominant general ADHD factor and two weaker specific dimensions (inattention and hyperactivity). The general factor accounted for substantial shared variance (ECV = .520; ω_H = .724), supporting the use of the total score as the primary indicator of ADHD symptom burden. Internal consistency estimates were satisfactory, and scores were significantly higher among participants with a self-reported ADHD diagnosis. The ASRS-6 also demonstrated strong screening accuracy, with an AUC of.91 in ROC analysis. Importantly, ADHD symptoms were associated with functional impairment markers, including lower job satisfaction, greater burnout, reduced work engagement, and higher physical health complaints, underscoring the ecological validity of the screener in real-world settings. Findings support the ASRS-6 as a psychometrically sound and clinically useful tool for adult ADHD screening in Spanish-speaking populations. Its brevity and strong diagnostic performance make it suitable for use in psychiatric and primary care contexts where time-efficient assessments are needed.