title: Development and validation of AIMFREE: Accessibility Instruments Measuring Fitness and Recreation Environments.
abstract: OBJECTIVE
  The purpose of this study was to develop and validate a series of 16 survey instruments measuring fitness and recreation accessibility, collectively referred to as AIMFREE (Accessibility Instruments Measuring Fitness and Recreation Environments). General domains of assessment included the built environment, equipment, programmes, policies, and training and behaviour.
  
  
  METHODS
  Fitness and recreation professionals (n=35) assessed fitness centres/swimming pools (n=35) in nine regions across the US. Rasch analysis was used to assess the psychometric properties of the instrument.
  
  
  RESULTS
  The AIMFREE evidenced adequate to good fit to the Rasch model and adequate to good internal consistency (r=0.70 - 0.90). Test-retest reliability ranged from 0.70 (entrance areas) to 0.97 (swimming pools). Analysis of differential item functioning indicated that item calibrations generally did not differ significantly between urban and suburban environments.
  
  
  CONCLUSIONS
  The AIMFREE instruments demonstrated adequate to good fit to the Rasch model with several of the subscales demonstrating well to excellent separation of facility accessibility.
authors.affiliation: Department of Disability and Human Development, University of Illinois at Chicago, Chicago, IL 60608-3904, USA. jrimmer@uic.edu
authors.forename: James
authors.initials: J
authors.lastname: Rimmer
authors.forename: Barth
authors.initials: B
authors.lastname: Riley
authors.forename: Edward
authors.initials: E
authors.lastname: Wang
authors.forename: Amy
authors.initials: A
authors.lastname: Rauworth
mesh_terms: D001107:Architectural Accessibility / Q000295:instrumentation* / Q000592:standards*; D006233:Persons with Disabilities; D004779:Environment Design; D005260:Female; D020446:Fitness Centers / Q000592:standards*; D006801:Humans; D008297:Male; D016134:Organizational Policy; D011594:Psychometrics; D015203:Reproducibility of Results; D013551:Swimming Pools / Q000592:standards*; D014481:United States