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Assessment of Acute Trauma Exposure Response for FIRE-EMS Personnel.

Abstract The purpose of this study was to develop an instrument that measures response to acute trauma exposure for firefighter and emergency medical service (EMS) personnel. The Acute Trauma Exposure Response Scale (ATERS) was intended to assess firefighter and EMS personnel response to acute trauma exposure from analytical, emotional, and physical perspectives.
PMID
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Authors

Mayor MeshTerms
Keywords
Journal Title journal of applied measurement
Publication Year Start




PMID- 28009592
OWN - NLM
STAT- In-Data-Review
DA  - 20161223
LR  - 20161224
IS  - 1529-7713 (Print)
IS  - 1529-7713 (Linking)
VI  - 17
IP  - 4
DP  - 2016
TI  - Assessment of Acute Trauma Exposure Response for FIRE-EMS Personnel.
PG  - 458-475
AB  - PURPOSE: The purpose of this study was to develop an instrument that measures
      response to acute trauma exposure for firefighter and emergency medical service
      (EMS) personnel. The Acute Trauma Exposure Response Scale (ATERS) was intended to
      assess firefighter and EMS personnel response to acute trauma exposure from
      analytical, emotional, and physical perspectives. METHODS: Data were analyzed on 
      97 firefighter and EMS personnel employed by a fire department in a mid-sized
      city in a western state. Principal component analysis (PCAR) using Winsteps
      software was employed to discover which variables in the set formed logical
      subsets that were independent of one another and included item analyses and
      assessment of internal consistency reliability (Cronbach's alpha). Rasch analysis
      included examination of dimensionality, person and item reliability, scale use
      and function, and construct validity including person-item fit statistics.
      RESULTS: Principal component analyses of residuals (PCAR) revealed three primary 
      scales which were termed Emotional Psyche, Coping Ability, and Support Systems.
      Rasch analyses showed the ATERS performance to be acceptable as a new pilot
      measure with three distinct scales through reliability of person separation of
      .81 for Emotional Psyche, .66 for Coping Ability, and .63 for Support Systems,
      respectively (Nunnally and Bernstein, 1994; Carmines and Zeller, 1979; Devellis, 
      2012). The Rasch item reliability was .96 for Emotional Psyche, .95 for Coping
      Ability, and .97 for Support Systems. Response scale use and function was
      appropriate for each subscale. Validity was supported through PCA by evidence of 
      good internal consistency. High item correlations indicated the items for each
      subscale were measuring a single construct. Likewise, Rasch analyses provided
      evidence of validity through an even spread of person ability to item difficulty 
      for each of the three constructs. Good item fit provided proof of construct
      relevant variance and the absence of gaps along the unidimensional continuum
      indicated each construct to be represented adequately. CONCLUSION: The ATERS
      performs well as a measure of acute trauma exposure response for three primary
      constructs: Emotional Psyche, Coping Ability, and Support Systems with good Rasch
      person internal consistency reliability and factor structure. Items were deleted 
      for each scale following PCA and Rasch analyses due to misfit and low loadings.
      Further research is recommended to optimally represent each construct in regards 
      to person-item fit. Fire departments may utilize results of this study to assess 
      current program effectiveness. Through evaluation, departments may incorporate
      programs and resources that are more effective at reducing stress associated with
      acute trauma, thereby increasing employees overall job satisfaction and
      performance.
FAU - Hoffmann, Melissa C
AU  - Hoffmann MC
AD  - Melissa C. Hoffmann, P. O. Box 748, Palmer Lake, CO 80133, USA,
      melhof4@gmail.com.
LA  - eng
PT  - Journal Article
PL  - United States
TA  - J Appl Meas
JT  - Journal of applied measurement
JID - 101084377
EDAT- 2016/12/24 06:00
MHDA- 2016/12/24 06:00
CRDT- 2016/12/24 06:00
PST - ppublish
SO  - J Appl Meas. 2016;17(4):458-475.

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