title: Measuring implementation behaviour of menu guidelines in the childcare setting: confirmatory factor analysis of a theoretical domains framework questionnaire (TDFQ).
abstract: While there are number of frameworks which focus on supporting the implementation of evidence based approaches, few psychometrically valid measures exist to assess constructs within these frameworks. This study aimed to develop and psychometrically assess a scale measuring each domain of the Theoretical Domains Framework for use in assessing the implementation of dietary guidelines within a non-health care setting (childcare services).
  
  
  
  A 75 item 14-domain Theoretical Domains Framework Questionnaire (TDFQ) was developed and administered via telephone interview to 202 centre based childcare service cooks who had a role in planning the service menu. Confirmatory factor analysis (CFA) was undertaken to assess the reliability, discriminant validity and goodness of fit of the 14-domain theoretical domain framework measure.
  
  
  
  For the CFA, five iterative processes of adjustment were undertaken where 14 items were removed, resulting in a final measure consisting of 14 domains and 61 items. For the final measure: the Chi-Square goodness of fit statistic was 3447.19; the Standardized Root Mean Square Residual (SRMR) was 0.070; the Root Mean Square Error of Approximation (RMSEA) was 0.072; and the Comparative Fit Index (CFI) had a value of 0.78.
  
  
  
  While only one of the three indices support goodness of fit of the measurement model tested, a 14-domain model with 61 items showed good discriminant validity and internally consistent items. Future research should aim to assess the psychometric properties of the developed TDFQ in other community-based settings.
authors.affiliation: Hunter New England Population Health, Wallsend, NSW, 2287, Australia. Kirsty.seward@hnehealth.nsw.gov.au.|School of Medicine and Public Health, University of Newcastle, Callaghan, NSW, 2308, Australia. Kirsty.seward@hnehealth.nsw.gov.au.|Priority Research Centre for Health Behaviour, The University of Newcastle, Callaghan, NSW, 2308, Australia. Kirsty.seward@hnehealth.nsw.gov.au.
authors.forename: Kirsty
authors.initials: K
authors.lastname: Seward
authors.affiliation: Hunter New England Population Health, Wallsend, NSW, 2287, Australia.|School of Medicine and Public Health, University of Newcastle, Callaghan, NSW, 2308, Australia.|Priority Research Centre for Health Behaviour, The University of Newcastle, Callaghan, NSW, 2308, Australia.|Hunter Medical Research Institute, Newcastle, NSW, 2300, Australia.
authors.forename: Luke
authors.initials: L
authors.lastname: Wolfenden
authors.affiliation: Hunter New England Population Health, Wallsend, NSW, 2287, Australia.|School of Medicine and Public Health, University of Newcastle, Callaghan, NSW, 2308, Australia.|Priority Research Centre for Health Behaviour, The University of Newcastle, Callaghan, NSW, 2308, Australia.|Hunter Medical Research Institute, Newcastle, NSW, 2300, Australia.
authors.forename: John
authors.initials: J
authors.lastname: Wiggers
authors.affiliation: Hunter New England Population Health, Wallsend, NSW, 2287, Australia.|School of Medicine and Public Health, University of Newcastle, Callaghan, NSW, 2308, Australia.|Priority Research Centre for Health Behaviour, The University of Newcastle, Callaghan, NSW, 2308, Australia.
authors.forename: Meghan
authors.initials: M
authors.lastname: Finch
authors.affiliation: Hunter New England Population Health, Wallsend, NSW, 2287, Australia.|School of Medicine and Public Health, University of Newcastle, Callaghan, NSW, 2308, Australia.|Priority Research Centre for Health Behaviour, The University of Newcastle, Callaghan, NSW, 2308, Australia.|Hunter Medical Research Institute, Newcastle, NSW, 2300, Australia.
authors.forename: Rebecca
authors.initials: R
authors.lastname: Wyse
authors.affiliation: Priority Research Centre for Health Behaviour, The University of Newcastle, Callaghan, NSW, 2308, Australia.
authors.forename: Christopher
authors.initials: C
authors.lastname: Oldmeadow
authors.affiliation: Ottawa Hospital Research Institute, Ottawa, ON, K1H 8L6, Canada.|School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa, Ottawa, ON, K1H 8L6, Canada.
authors.forename: Justin
authors.initials: J
authors.lastname: Presseau
authors.affiliation: Hunter New England Population Health, Wallsend, NSW, 2287, Australia.|School of Medicine and Public Health, University of Newcastle, Callaghan, NSW, 2308, Australia.|Priority Research Centre for Health Behaviour, The University of Newcastle, Callaghan, NSW, 2308, Australia.|Hunter Medical Research Institute, Newcastle, NSW, 2300, Australia.
authors.forename: Tara
authors.initials: T
authors.lastname: Clinton-McHarg
authors.affiliation: Hunter New England Population Health, Wallsend, NSW, 2287, Australia.|School of Medicine and Public Health, University of Newcastle, Callaghan, NSW, 2308, Australia.|Priority Research Centre for Health Behaviour, The University of Newcastle, Callaghan, NSW, 2308, Australia.|Hunter Medical Research Institute, Newcastle, NSW, 2300, Australia.
authors.forename: Sze Lin
authors.initials: SL
authors.lastname: Yoong
mesh_terms: D002648:Child; D002654:Child Care; D002656:Child Day Care Centers; D000067576:Child Health; D004032:Diet; D005163:Factor Analysis, Statistical; D005247:Feeding Behavior; D005260:Female; D019983:Guideline Adherence; D006801:Humans; D008297:Male; D008612:Menu Planning; D008962:Models, Theoretical; D018673:Nutrition Policy; D011594:Psychometrics; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires / Q000592:standards*
keywords: Childcare; Guidelines; Implementation; Psychometric properties; Theoretical domains framework