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J Pediatr Psychol. 2003 Sep;28(6):383-92.

The Illness Management Survey: identifying adolescents' perceptions of barriers to adherence.

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1
Department of Psychology, The Children's Hospital of Philadelphia, PA 19104, USA. logan@email.chop.edu

Abstract

OBJECTIVE:

To develop a self-report measure of barriers to adherence and to evaluate its reliability and validity in a sample of adolescents with asthma.

METHODS:

The Illness Management Survey (IMS) was developed through item generation, expert panel review, and focus group administration. Adolescents with asthma (N = 152) completed the measure. Participants reported on perceived drawbacks to medication, risk-taking behavior, and social desirability tendencies. Providers rated adolescents' illness severity and adherence. Reliability and validity of the IMS were assessed, and factor structure was examined.

RESULTS:

The 27-item IMS shows high internal consistency (alpha =.87). Scores correlate with perceived medication drawbacks, risk taking, and self- and provider reports of adherence. Principal-components analysis indicates five domains of barriers, accounting for 52.4% of the variance: disease/regimen issues, cognitive difficulties, lack of social support/lack of self-efficacy, denial/distrust, and peer/family issues.

CONCLUSIONS:

Preliminary data indicate that the IMS reliably and validly assesses perceived barriers to adherence within this sample of adolescents with asthma. It shows promise as a tool for identifying subgroups of nonadherent adolescents.

PMID:
12904450
[Indexed for MEDLINE]
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