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. 2022 Aug 3;13:838747. doi: 10.3389/fpsyt.2022.838747

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Copyright © 2022 Vu, Le, Dam, Nguyen, Vu, Trinh, Do, Do, Le, Latkin, Ho and Ho.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Evaluated Patient Health Questionnaire (PHQ-9) factor structures. Model 1: One-factor PHQ9 model (Chi-Square = 749.019; df = 27; TLI = 0.697; CFI = 0.773; RMSEA (90%CI) = 0.174 (0.163–0.184); SRMR = 0.102; p-value ≤ 0.001; AIC = 8371.595; BIC = 8500.928); Model 2: two-correlated factor PHQ9 model (Chi-Square = 152.183; df = 26; TLI = 0.945; CFI = 0.960; RMSEA (90%CI) = 0.074 (0.063–0.086); SRMR = 0.043; p-value ≤ 0.001; AIC = 7776.759; BIC = 7910.882). df, degrees of freedom; TLI, Tucker-Lewis Index; CFI, comparative fit index; RMSEA, root-mean-square error of approximation; RMSEA 90% CI: 90% confidence interval for RMSEA; SRMR: standardized root-mean-square residual.