title: Feasibility, Reliability, and Validity of the Iranian Version of the Quality of Life Questionnaire for Pregnancy.
abstract: BACKGROUND
  Clinical studies are giving increased importance to quality of life assessments as measures of the relative effectiveness of prevention and treatment programs used during pregnancy and antenatally.
  
  
  OBJECTIVE
  The aim of this study was to validate the Quality of life gravidarum (QOL-GRAV) questionnaire for Iranian women during the pregnant period.
  
  
  METHODS
  In this cross-sectional methodological study, content validity following back and forward translation was assessed by a panel of experts. Using the two-stage cluster sampling method, 565 pregnant women referred to health care centers from April to June 2015 in Tabriz, Iran were enrolled in the study. Construct validity by assessing the factor structure, and convergent and discriminant validity were evaluated using scale-item correlations and known group analyses. Internal consistency and test-retest reliability were assessed in a sample of 30 pregnant women by the Cronbach's α coefficient and intra-class correlation coefficient (ICC).
  
  
  RESULTS
  The QOL-GRAV showed good content validity (CVI value = 0.95 and CVR value = 1), internal consistency (α = 0.79), and test-retest reliability (ICC = 0.86). The results of the CFA for two-factor models indicate an acceptable ﬁt of the proposed model (RMSEA; 90% CI = 0.083; 0.068-0.099, CFI = 0.95, GFI = 0.96, and AGFI = 0.92).
  
  
  CONCLUSIONS
  The findings support the validity and reliability of the Iranian version of the QOL-GRAV questionnaire. Therefore, it is recommended to be used for both clinical and research purposes.
authors.affiliation: Nursing and Midwifery Faculty, Midwifery Department, Tabriz University of Medical Sciences, Tabriz, IR Iran.
authors.forename: Mojgan
authors.initials: M
authors.lastname: Mirghafourvand
authors.affiliation: Midwifery Department, Research Center of Social Determinants of Health, Nursing and Midwifery Faculty, Tabriz University of Medical Sciences, Tabriz, IR Iran.
authors.forename: Sakineh
authors.initials: S
authors.lastname: Mohammad-Alizadeh-Charandabi
authors.affiliation: Road Traffic Injury Research Center, Faculty of Health, Tabriz University of Medical Sciences, Tabriz, IR Iran.
authors.forename: Mohammad
authors.initials: M
authors.lastname: Asghari Jafarabadi
authors.affiliation: Students' Research Committee, Faculty of Nursing and Midwifery, Tabriz University of Medical Sciences (International Branch Aras), Tabriz, IR Iran.
authors.forename: Fatemeh
authors.initials: F
authors.lastname: Shiri
authors.affiliation: Students' Research Committee, Faculty of Nursing and Midwifery, Tabriz University of Medical Sciences, Tabriz, IR Iran.
authors.forename: Solmaz
authors.initials: S
authors.lastname: Ghanbari-Homayi
keywords: Feasibility; Iran; Pregnancy; Quality of Life; Reliability; Validity