Scott R Millis1, Sarah-Jane Meachen2, Julie A Griffen2, Robin A Hanks3, Lisa J Rapport4. 1. Department of Physical Medicine and Rehabilitation, Wayne State University, Detroit, MI. Electronic address: smillis@med.wayne.edu. 2. Rehabilitation Institute of Michigan, Detroit, MI. 3. Department of Physical Medicine and Rehabilitation, Wayne State University, Detroit, MI. 4. Department of Psychology, Wayne State University, Detroit, MI.
Abstract
OBJECTIVE: To examine the measurement properties of the Community Integration Measure (CIM) in persons with traumatic brain injury (TBI). DESIGN: Rasch analysis was used to retrospectively evaluate the CIM. SETTING: Rehabilitation hospital. PARTICIPANTS: Persons (N=279) 1 to 15 years after a TBI. INTERVENTIONS: None. MAIN OUTCOME MEASURE: CIM RESULTS: The CIM met Rasch expectations of unidimensionality and reliability (person separation ratio=2.01, item separation ratio=4.52). However, item endorsibility was poorly targeted to the participants' level of community integration. A ceiling effect was found with this sample. CONCLUSIONS: The CIM is a relatively reliable and unidimensional scale. Future iterations might benefit from the addition of items that are more difficult to endorse (ie, improved targeting).
OBJECTIVE: To examine the measurement properties of the Community Integration Measure (CIM) in persons with traumatic brain injury (TBI). DESIGN: Rasch analysis was used to retrospectively evaluate the CIM. SETTING: Rehabilitation hospital. PARTICIPANTS: Persons (N=279) 1 to 15 years after a TBI. INTERVENTIONS: None. MAIN OUTCOME MEASURE: CIM RESULTS: The CIM met Rasch expectations of unidimensionality and reliability (person separation ratio=2.01, item separation ratio=4.52). However, item endorsibility was poorly targeted to the participants' level of community integration. A ceiling effect was found with this sample. CONCLUSIONS: The CIM is a relatively reliable and unidimensional scale. Future iterations might benefit from the addition of items that are more difficult to endorse (ie, improved targeting).