Key result
The single-item Anxiety Level Index lacked construct validity for assessing anxiety in AMI patients despite moderate correlations with the SAI (rs=0.52) and BSI (rs=0.45) (P<0.001).
Why the study?
Is the single-item Anxiety Level Index (ALI) a valid alternative to the State Anxiety Index (SAI) or the anxiety subscale of the Brief Symptom Inventory (BSI) for assessing state anxiety in patients with acute myocardial infarction?
Population
243 inpatients with acute myocardial infarction (AMI)
Comparison
Anxiety Level Index vs State Anxiety Index and the anxiety subscale of…
Design
Cross-sectional
Authors
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Clinicians should not use single-item ALI for AMI anxiety assessment; leaves open need for validated brief alternatives in research.
Observational (n=243)
Yes
Is the single-item Anxiety Level Index (ALI) a valid alternative to the State Anxiety Index (SAI) or the anxiety subscale of the Brief Symptom Inventory (BSI) for assessing state anxiety in patients with acute myocardial infarction?
Effect estimate: rs = 0.52
p-value: p=< .001
The single-item Anxiety Level Index (ALI) lacks construct validity as an alternative to established multi-item scales for assessing anxiety in patients with acute myocardial infarction.
Jong et al. (2005) conducted an observational in Acute Myocardial Infarction (n=243). Anxiety Level Index (ALI) vs. State Anxiety Index (SAI) and Brief Symptom Inventory (BSI) anxiety subscale was evaluated on Correlation and construct validity of ALI compared to SAI and BSI (rs = 0.52, p=< .001). The single-item Anxiety Level Index lacked construct validity for assessing anxiety in AMI patients despite moderate correlations with the SAI (rs=0.52) and BSI (rs=0.45) (P<0.001).