Research Article| Volume 32, ISSUE 1, P57-61, February 2018

Validating the Psychometric Characteristics of the Perinatal Posttraumatic Stress Disorder Questionnaire (PPQ) in a Chinese Context

Published:September 28, 2017DOI:


      • This is the first methodological study to validate the psychometric characteristics of the Perinatal Posttraumatic Stress Disorder Questionnaire (PPQ) among Chinese mothers.
      • The Chinese version of the PPQ (PPQ-C) is a reliable and valid measure of perinatal posttraumatic stress disorder (PPTSD) symptoms in a Chinese context.
      • The PPQ-C has the potential to be used as a screening tool for earlier recognition and treatment of PPTSD symptoms among mothers in the Chinese population, especially those at high risk.



      Perinatal posttraumatic stress disorder (PPTSD) is a common stress-induced mental disorder worldwide. The Perinatal Posttraumatic Stress Disorder Questionnaire (PPQ) is an excellent questionnaire that measures the symptoms of PPTSD, but has not been translated into Chinese yet.


      The aims of this study were to develop a translated Chinese version of the (PPQ) and validate the psychometric characteristics of the PPQ in a Chinese context.


      After translation, back-translation, and expert discussion, 280 mothers at 1 to 18 months postpartum filled out the questionnaires through the Internet. Then the reliability and validity of the translated questionnaire were tested.


      The Chinese version of PPQ (PPQ-C) was composed of 14 items. Cronbach's α coefficient was 0.84, test-retest reliability was 0.88, and the content validity was 0.99. Exploratory factor analysis extracted three factors (representing “arousal”, “avoidance” and “intrusion”) accounted for 53.30% of the variance. The established 3 factors model was well fitted with the collected data (χ2 = 76.40, p < 0.05).

      Implications for practice

      The PPQ-C is a short, reliable, and valid instrument that measures the symptoms of PPTSD, and it is recommend for clinical screening.

      Implications for research

      Further research could involve diverse participants, as well as better adapt the PPQ-C to Chinese culture.


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