Breathing Problems – Short Version

Abstract

The Breathing Problems Short Version (BPSV) is a specialized, disease-specific instrument developed to assess the impact of respiratory symptoms, primarily in patients suffering from Chronic Obstructive Pulmonary Disease (COPD). Designed specifically for use within clinical settings, particularly for measuring outcomes in Pulmonary Rehabilitation programs, the BPSV aims to provide a reliable and efficient measure of change related to treatment interventions.

Its development by Hyland, Singh, Sodergren, and Morgan addressed the need for a concise tool capable of capturing relevant shifts in patient-reported outcomes over time, optimizing assessment efficiency without sacrificing the necessary psychometric rigor required for clinical research and quality assurance.

Keywords

Chronic Obstructive Pulmonary Disease, COPD, Pulmonary Rehabilitation, Dyspnea, Quality of Life, Patient-Reported Outcomes, Respiratory Assessment, Disease-Specific Questionnaire.

Authors

Hyland, M. E., Singh, S. C., Sodergren, S. C., Morgan, M. P. L.

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Purpose

The primary objective of the Breathing Problems Short Version (BPSV) is to serve as a purpose-specific and disease-specific assessment tool for individuals diagnosed with COPD. Its fundamental utility lies in its application during Pulmonary Rehabilitation programs, where it is utilized to quantify meaningful change in patient status.

The scale is specifically calibrated to measure treatment efficacy and the resultant functional improvement following rehabilitation. The shortened format was developed to enhance clinical feasibility, ensuring that the instrument is efficient enough for repeated administration during the course of intensive therapy, thereby reducing respondent burden while maintaining sensitivity to change.

Construct

The BPSV fundamentally measures the patient’s perception of the functional and psychological impact of breathing difficulties, typically referred to as dyspnea, within the context of daily life. The core construct assessed is the disease-specific aspect of Quality of Life (QoL) as it relates specifically to respiratory impairment.

This construct typically encompasses several domains critical to COPD patients, including limitations in physical functioning (e.g., restrictions due to breathlessness), emotional impact (e.g., anxiety or frustration related to breathing), and the ability to maintain social and familial roles. The scale focuses on assessing the subjective burden of the disease rather than purely objective physiological metrics.

Validity

The development process for the BPSV prioritized establishing robust psychometric properties, particularly its validity in a clinical COPD population. Content Validity was assured through expert review and derivation from the original, longer Breathing Problems Questionnaire, ensuring items accurately reflect concerns relevant to COPD patients undergoing rehabilitation.

Construct Validity was typically evaluated by correlating BPSV scores with established measures of dyspnea severity (e.g., the Modified Medical Research Council scale) and generic or other disease-specific Quality of Life instruments, demonstrating that the BPSV measures what it intends to measure. Furthermore, responsiveness to change—a critical aspect of Validity for rehabilitation outcome measures—was assessed to confirm the scale’s ability to detect clinically significant improvements following intervention, distinguishing it from measures designed solely for static status assessment.

Reliability

Reliability analyses focused on demonstrating both the internal consistency and stability of the BPSV scores. Internal Consistency, often measured using Cronbach’s alpha, was established to ensure that the individual items within the scale are highly intercorrelated and measuring the same underlying construct. High internal consistency supports the use of a unified total score for clinical interpretation.

Test-Retest Reliability was assessed by administering the instrument to stable COPD patients over a short period (e.g., two weeks) to confirm the stability and repeatability of the measurements when no clinical change had occurred. These measures collectively confirm that the BPSV provides consistent data necessary for monitoring therapeutic progress and making reliable clinical decisions.

Factor Analysis

Factor analysis was employed during the shortening process to confirm the underlying dimensional structure of the BPSV and ensure that the reduced item set maintained the theoretical integrity of the original questionnaire. This statistical technique helped in identifying the minimum number of items required to represent the full breadth of the breathing problems construct.

Exploratory or confirmatory factor analysis was used to identify and confirm key domains, ensuring that the shortened version adequately represented the critical facets of breathing problems experienced by patients in Pulmonary Rehabilitation. The goal was to establish a parsimonious model that maximized item efficiency while retaining comprehensive coverage of the construct, demonstrating that the short form is structurally equivalent to the long form.

Instrument

Test Type: Patient-Reported Outcome (PRO) Measure

Format: Self-administered Questionnaire; Likert-type response scales

Language Available: English (Original development)

Population Group: Clinical population, specifically Chronic Obstructive Pulmonary Disease (COPD) patients

Age Group: Adults (Typically middle-aged and older)

Population Details: Individuals undergoing or being assessed for Pulmonary Rehabilitation; stable to moderately severe COPD, as defined in the original validation study.

Test Methodology: Assessment of subjective impact of breathing symptoms over a defined recall period, generally focusing on the frequency and severity of functional limitations caused by dyspnea.

Keywords

Patient-Reported Outcome, Psychometrics, QoL, Responsiveness, Dyspnea, Chronic Illness, Rehabilitation Outcome, Disease Management.

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Authors

Author ORCID Identifier: Not available in source documentation.

Affiliation Email addresses: Contact author M. E. Hyland for current affiliation details.

Correspondence Address: Refer to the 1998 publication in Qual Life Res for historical correspondence information.

Permissions & Fee and Test Year

Test Year: 1998 (Year of publication of the shortened version).

Permissions and Fee: Permissions for clinical use should generally be sought directly from the primary author, M. E. Hyland, or the copyright holder. Specific licensing fees are generally determined by the author or associated research institution, though the scale may be available for non-commercial academic research use.

Reference’s

• Hyland, M. E., Singh, S. J., Sodergren, S. C., & Morgan, M. P. L. (1998). Development of a Shortened Version of the Breathing Problems Questionnaire Suitable for Use in a Pulmonary Rehabilitation Clinic: A Purpose-Specific, Disease-Specific Questionnaire. Qual Life Res, 7, 227-233.

• Digital Object Identifier (DOI): https://dx.doi.org/10.13072/midss.85

• Web link to tool: Breathing problems questionnaire

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Items of the Breathing Problems Short Version

IMPORTANT: The following scale items must be preserved in their original language and must not be changed in any way.

The specific items comprising the Breathing Problems Short Version are not provided in the source material. Users must consult the key reference (Hyland et al., 1998) or contact the authors for the full item list and scoring instructions.