title: Examining Factor Structure and Validating the Persian Version of the Pregnancy's Worries and Stress Questionnaire for Pregnant Iranian Women.
abstract: OBJECTIVE
  Pregnant women tend to experience anxiety and stress when faced with the changes to their biology, environment and personal relationships. The identification of these factors and the prevention of their side effects are vital for both mother and fetus. The present study was conducted to validate and to examine the factor structure of the Persian version of the Pregnancy's Worries and Stress Questionnaire.
  
  
  METHODS
  The 25-item PWSQ was first translated by specialists into Persian. The questionnaire's validity was determined using face, content, criterion and construct validity and reliability of questionnaire was examined using Cronbach's alpha. Confirmatory factor analysis was performed in AMOS and SPSS 21. Participants included healthy Iranian pregnant women (8-39 weeks) who refer to selected hospitals for prenatal care. Hospitals included private, social security and university hospitals and selected through the random cluster sampling method.
  
  
  RESULTS
  The results of validity and reliability assessments of the questionnaire were acceptable. Cronbach's alpha calculated showed a high internal consistency of 0.89. The confirmatory factor analysis using the c2, CMIN/DF, IFI, CFI, NFI and NNFI indexes showed the 6-factor model to be the best fitted model for explaining the data.
  
  
  CONCLUSIONS
  The questionnaire was translated into Persian to examine stress and worry specific to Iranian pregnant women. The psychometric results showed that the questionnaire is suitable for identifying Iranian pregnant women with pregnancy-related stress.
authors.forename: Fariba
authors.initials: F
authors.lastname: Navidpour
authors.affiliation: . mhdolatian@gmail.com.
authors.forename: Mahrokh
authors.initials: M
authors.lastname: Dolatian
authors.forename: Farideh
authors.initials: F
authors.lastname: Yaghmaei
authors.forename: Hamid Alavi
authors.initials: HA
authors.lastname: Majd
authors.forename: Seyed Saeed
authors.initials: SS
authors.lastname: Hashemi
mesh_terms: D000328:Adult; D001007:Anxiety / Q000453:epidemiology* / Q000523:psychology; D005260:Female; D006801:Humans; D007492:Iran / Q000453:epidemiology; D011247:Pregnancy; D037841:Pregnant People / Q000523:psychology*; D011594:Psychometrics; D015203:Reproducibility of Results; D013315:Stress, Psychological / Q000453:epidemiology* / Q000523:psychology; D011795:Surveys and Questionnaires