Dimensionality, reliability, invariance, and item analysis of the depression, anxiety, and stress scale-21 (DASS-21) in Honduran and Colombian university students

The results provide favorable psychometric evidence supporting the use of the DASS-21 as a screening tool for assessing depression, anxiety, and stress among Honduran and Colombian university students. Evidence of measurement invariance allows cross-cultural comparisons of latent means. Nevertheless, caution is advised when making country-specific item-level comparisons for the items that exhibited DIF.