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Background <p>The two cross-sectional studies were conducted to examine the validity and reliability of the Patient Health Questionnaire for Adolescents (PHQ-A) in a sample of Vietnamese adolescents.</p> Method <p>Participants were recruited from secondary schools (grades 6 to 9) and high schools (grades 10 to 12) in Ho Chi Minh City, comprising 68 students in Study 1 and 624 students in Study 2. The scale was translated into Vietnamese following standard forward–backward translation procedures. PHQ-A scores were compared with clinical diagnoses based on DSM-5 criteria, and the psychometric properties of the scale were evaluated through test–retest reliability, internal consistency analyses, confirmatory factor analysis (CFA), and assessments of convergent validity.</p> Results <p>The findings indicated that PHQ-A have a sensitivity of 91.89% and a specificity of 70.97% for a cut-off point of 10. The scale also had a high internal consistency with Cronbach’s α exceeding 0.80 and McDonald’s omega total of 0.80. The confirmatory factor analysis validated the original structures of the PHQ-A, demonstrating acceptable fit indices. Furthermore, the scale revealed significant correlations with the ESSA, thereby affirming its convergent validity.</p> Conclusion <p>The findings indicate that the PHQ-A is appropriate for extensive initial assessment and screening in educational institutions, healthcare centres, and other time-limited contexts.</p>

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The validity and reliability of the Patient Health Questionnaire - Adolescent version (PHQ – A) in Vietnam

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月31日

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  • Ngoc-Anh Truong,
  • Nuttorn Pityaratstian,
  • Thanh Nghia Lam,
  • Tat Thien Do,
  • Huynh Nhu Nguyen Thi,
  • Anh Ngoc Tran,
  • Thi Thu Suong Nguyen,
  • Jirada Prasartpornsirichoke

摘要

Background

The two cross-sectional studies were conducted to examine the validity and reliability of the Patient Health Questionnaire for Adolescents (PHQ-A) in a sample of Vietnamese adolescents.

Method

Participants were recruited from secondary schools (grades 6 to 9) and high schools (grades 10 to 12) in Ho Chi Minh City, comprising 68 students in Study 1 and 624 students in Study 2. The scale was translated into Vietnamese following standard forward–backward translation procedures. PHQ-A scores were compared with clinical diagnoses based on DSM-5 criteria, and the psychometric properties of the scale were evaluated through test–retest reliability, internal consistency analyses, confirmatory factor analysis (CFA), and assessments of convergent validity.

Results

The findings indicated that PHQ-A have a sensitivity of 91.89% and a specificity of 70.97% for a cut-off point of 10. The scale also had a high internal consistency with Cronbach’s α exceeding 0.80 and McDonald’s omega total of 0.80. The confirmatory factor analysis validated the original structures of the PHQ-A, demonstrating acceptable fit indices. Furthermore, the scale revealed significant correlations with the ESSA, thereby affirming its convergent validity.

Conclusion

The findings indicate that the PHQ-A is appropriate for extensive initial assessment and screening in educational institutions, healthcare centres, and other time-limited contexts.