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The COPD Helplessness Index: a new tool to measure factors affecting patient self-management.


ABSTRACT: Psychologic factors affect how patients with COPD respond to attempts to improve their self-management skills. Learned helplessness may be one such factor, but there is no validated measure of helplessness in COPD.We administered a new COPD Helplessness Index (CHI) to 1,202 patients with COPD. Concurrent validity was assessed through association of the CHI with established psychosocial measures and COPD severity. The association of helplessness with incident COPD exacerbations was then examined by following subjects over a median 2.1 years, defining COPD exacerbations as COPD-related hospitalizations or ED visits.The CHI demonstrated internal consistency (Cronbach alpha = 0.75); factor analysis was consistent with the CHI representing a single construct. Greater CHI-measured helplessness correlated with greater COPD severity assessed by the BODE (Body-mass, Obstruction, Dyspnea, Exercise) Index (r = 0.34; P < .001). Higher CHI scores were associated with worse generic (Short Form-12, Physical Component Summary Score) and respiratory-specific (Airways Questionnaire 20) health-related quality of life, greater depressive symptoms, and higher anxiety (all P < .001). Controlling for sociodemographics and smoking status, helplessness was prospectively associated with incident COPD exacerbations (hazard ratio = 1.31; P < .001). After also controlling for the BODE Index, helplessness remained predictive of COPD exacerbations among subjects with BODE Index

SUBMITTER: Omachi TA 

PROVIDER: S-EPMC2851553 | biostudies-literature | 2010 Apr

REPOSITORIES: biostudies-literature

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The COPD Helplessness Index: a new tool to measure factors affecting patient self-management.

Omachi Theodore A TA   Katz Patricia P PP   Yelin Edward H EH   Iribarren Carlos C   Knight Sara J SJ   Blanc Paul D PD   Eisner Mark D MD  

Chest 20091016 4


<h4>Background</h4>Psychologic factors affect how patients with COPD respond to attempts to improve their self-management skills. Learned helplessness may be one such factor, but there is no validated measure of helplessness in COPD.<h4>Methods</h4>We administered a new COPD Helplessness Index (CHI) to 1,202 patients with COPD. Concurrent validity was assessed through association of the CHI with established psychosocial measures and COPD severity. The association of helplessness with incident CO  ...[more]

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