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February 28, 2011Issues in Mental Health Nursing

Spielberger's State Anxiety Inventory: Development of a Shortened Version for Critically Ill Patients

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Key result

A 6-item shortened version of Spielberger's State Anxiety Inventory showed good internal reliability (Cronbach's alpha 0.84) and strong construct validity in acute myocardial infarction patients.

Why the study?

Does a 6-item shortened version of Spielberger's State Anxiety Inventory provide reliable and valid anxiety measurement in acute myocardial infarction patients?

Population

530 acute myocardial infarction patients

Comparison

6-item shortened version of Spielberger's State… vs Original Spielberger's State Anxiety Inventory…

Design

Other

Authors

MAMona A. AbedBayCare Health SystemLHLynne A. HallUniversity of LouisvilleDMDebra K. MoserHeart Failure & Transplant

Discussion

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Implication

May support brief anxiety screening in AMI; extends validation data yet leaves open prospective outcome studies.

Key Points

  • The aim is to create a shorter version of the State Anxiety Inventory suitable for critically ill patients.
  • Exploratory factor analysis used with data from 530 acute myocardial infarction patients.
  • Development of a 6-item version from the original State Anxiety Inventory.
  • Assessment of internal reliability and construct validity against original and alternative anxiety measures.
  • The 6-item version showed good internal reliability with a Cronbach's alpha of .84.
  • Strong correlations were found between the shortened and original SAI, and with the Brief Symptom Inventory.
  • The shortened version supports known hypotheses related to state anxiety.

Study Design

Type

Observational (n=530)

Structured PICO

Does a 6-item shortened version of Spielberger's State Anxiety Inventory provide reliable and valid anxiety measurement in acute myocardial infarction patients?

P
Population
530 acute myocardial infarction patients
I
Intervention
6-item shortened version of Spielberger's State Anxiety Inventory (SAI)
C
Comparator
Original Spielberger's State Anxiety Inventory (SAI) and Brief Symptom Inventory (BSI)
O
Outcome
Internal reliability consistency (Cronbach's alpha) and construct validitypatient reported

Main Result

Effect estimate: Cronbach's alpha 0.84

A 6-item shortened version of Spielberger's State Anxiety Inventory is a reliable and valid tool for assessing state anxiety in critically ill patients with acute myocardial infarction.

Cite This Study

Abed et al. (2011) conducted an observational in acute myocardial infarction (n=530). 6-item shortened Spielberger's State Anxiety Inventory vs. original SAI and Brief Symptom Inventory was evaluated on internal reliability consistency and construct validity (Cronbach's alpha 0.84). A 6-item shortened version of Spielberger's State Anxiety Inventory showed good internal reliability (Cronbach's alpha 0.84) and strong construct validity in acute myocardial infarction patients.

synapsesocial.com/papers/6a193402f2eb401dc788c2c8https://doi.org/10.3109/01612840.2010.546493
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Using a 0-10 Scale for Assessment of Anxiety in Patients With Acute Myocardial Infarction2005 · 24 citations
  2. 2Evidence That the Brief Symptom Inventory Can Be Used to Measure Anxiety Quickly and Reliably in Patients Hospitalized for Acute Myocardial Infarction2010 · 47 citations
  3. 3“The Rust of Life”: Impact of Anxiety on Cardiac Patients2007 · 152 citations
  4. 4Anxiety is Not Manifested by Elevated Heart Rate and Blood Pressure in Acutely Ill Cardiac Patients2004 · 59 citations
  5. 5Measurement of Anxiety for Patients With Cardiac Disease2006 · 12 citations