Article ; Online: Psychometric properties of two instruments measuring self-efficacy and outcome expectations of providing inhaler technique education to patients.
The Journal of asthma : official journal of the Association for the Care of Asthma
2021 Volume 59, Issue 11, Page(s) 2305–2313
Abstract: Introduction: Both the National Heart, Lung, and Blood Institute (NHLBI) and Global Initiative for Asthma (GINA) asthma practice guidelines recommend that providers routinely check inhaler technique and correct any mistakes that patients may make when ... ...
| Abstract | Introduction: Both the National Heart, Lung, and Blood Institute (NHLBI) and Global Initiative for Asthma (GINA) asthma practice guidelines recommend that providers routinely check inhaler technique and correct any mistakes that patients may make when using these devices. Providers, however, rarely check inhaler technique during asthma visits. The objectives of this study were to: (1) describe the development of an instrument to measure self-efficacy and outcome expectations regarding inhaler technique patient education, (2) evaluate the internal consistency reliability of the new scales, and (3) provide preliminary evidence of construct validity. Methods: First- and second-year physician assistant (PA) students at two institutions completed an anonymous and voluntary survey evaluating two new instruments, the Teaching Inhalers to Patients: Self-efficacy (TIP-SE) and the Teaching Inhalers to Patients: Outcome Expectations (TIP-OE) scales and sociodemographic characteristics. The data were analyzed using Principal Components Analysis (PCA), Cronbach's α, and multivariable logistic regression. Results: We had usable responses from 146 PA students (71.9% participation rate). The PCA identified one factor for the TIP-SE and TIP-OE, respectively. The internal consistency of the TIP-SE and TIP-OE was α = 0.96 and α = 0.92, respectively. The logistic regression found that second-year PA students who had higher mean TIP-SE scores were significantly more likely to report teaching patients to use inhalers during rotations (OR = 1.8, 95% CI = 1.1, 2.9). There was not a statistically significant relationship between reporting teaching patients to use inhalers during rotations and mean TIP-OE scores. Conclusion: The TIP-SE and TIP-OE show preliminary evidence of reliability and validity. Supplemental data for this article is available online at https://doi.org/10.1080/02770903.2021.2008428 . |
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| MeSH term(s) | Administration, Inhalation ; Asthma/drug therapy ; Humans ; Metered Dose Inhalers ; Motivation ; Nebulizers and Vaporizers ; Psychometrics ; Reproducibility of Results ; Self Efficacy |
| Language | English |
| Publishing date | 2021-11-28 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 603816-5 |
| ISSN | 1532-4303 ; 0277-0903 |
| ISSN (online) | 1532-4303 |
| ISSN | 0277-0903 |
| DOI | 10.1080/02770903.2021.2008428 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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