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The Attentional Function Index--a self-report cognitive measure.

Bernadine Cimprich¹, Moira Visovatti, David L Ronis

¹School of Nursing, University of Michigan, Ann Arbor, MI 48104, USA. cimprich@umich.edu

Psycho-Oncology

|March 10, 2010

Summary

This summary is machine-generated.

The Attentional Function Index (AFI) effectively measures perceived cognitive functioning in breast cancer patients. This brief instrument shows promise for assessing daily life impacts of cognitive changes in chronic illness populations.

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Area of Science:

Neuropsychology
Psychometrics
Oncology

Background:

Cognitive assessment in cancer patients requires both performance measures and self-reported functioning.
Limited instruments exist to evaluate the perceived impact of cognitive changes on daily life in cancer survivors.
The Attentional Function Index (AFI) was developed to assess perceived effectiveness in attention and working memory-dependent activities.

Purpose of the Study:

To investigate the psychometric properties of the Attentional Function Index (AFI).
To assess the AFI's ability to measure perceived effectiveness in daily activities requiring attention and working memory.
To evaluate the AFI's utility in individuals treated for cancer.

Main Methods:

A 13-item instrument, the AFI, was administered to 172 women (ages 27-86) before early-stage breast cancer treatment.
Exploratory principal component factor analysis with varimax rotation was used to establish construct validity.
Internal consistency (Cronbach's α) and correlations with established measures were examined.

Main Results:

A 13-item AFI with 3 subscales (effective action, attentional lapses, interpersonal effectiveness) emerged, explaining 74.69% of variance.
High internal consistency was found (α=0.92 total, 0.80-0.92 for subscales).
AFI scores correlated with measures of concentration, cognitive failures, confusion, and fatigue, and differentiated age groups, but not education or comorbidities.

Conclusions:

The brief Attentional Function Index (AFI) demonstrates utility for assessing perceived cognitive functioning.
The AFI is useful in populations experiencing life-threatening and chronic illnesses, such as breast cancer patients.
The instrument aids in understanding the subjective experience of cognitive alterations in clinical populations.