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Development and psychometric testing of a knowledge instrument on incontinence-associated dermatitis for clinicians : the know-IAD

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Abstract
PURPOSE: The purpose of this study was to describe the development and evaluation of the psychometric properties of an instrument used to assess clinician knowledge of Incontinence-associated dermatitis (IAD). DESIGN: The instrument was developed in three phases: Phase 1 involved item development; Phase 2 evaluated content validity of the instrument by surveying clinicians and stakeholders within a single state of Australia and, Phase 3 used a pilot multisite cross-sectional survey design to determine composite reliability and evaluate scores of the knowledge tool. SUBJECTS AND SETTINGS: In Phase 1, the instrument was developed by five persons with clinical and research subject expertise in the area of IAD. In Phase 2, content validity was evaluated by a group of 13 clinicians (nurses, physicians, occupational therapists, dietitians, and physiotherapists) working in acute care across one Australian state, New South Wales, along with two consumer representatives. In Phase 3, clinicians, working across six hospitals in New South Wales and on wards with patients diagnosed with incontinence-associated dermatitis, participated in pilot-testing the instrument. METHODS: During Phase 1, a group of local and international experts developed items for a draft tool based on an international consensus document, our prior research evaluating incontinence-associated dermatitis knowledge, and agreement among an expert panel of clinicians and researchers. Phase 2 used a survey design to determine content validity of the knowledge tool. Specifically, we calculated item- and scale-level content validity ratios and content validity indices for all questions within the draft instrument. Phase 3 comprised pilot-testing of the knowledge tool using a cross-sectional survey. Analysis involved confirmatory factor analysis to confirm the hypothesized model structure of the knowledge tool, as measured by model goodness-of-fit. Composite reliability testing was undertaken to determine the extent of internal consistency between constituent items of each construct. RESULTS: During Phase 1, a draft version of the Barakat-Johnson Incontinence-Associated Dermatitis Knowledge tool (Know-IAD), comprising 19 items and divided into three domains of IAD-related knowledge: 1) Etiology and Risk, 2) Classification and Diagnosis, and 3) Prevention and Management was developed. In Phase 2, 18 of the 19 items demonstrated high scale content validity ratios scores on relevance (0.75) and clarity (0.82); and high scale-content validity indices scores on relevance (0.87) and clarity (0.91). In Phase 3, the final 18-item Know-IAD tool demonstrated construct validity by a model goodness-of-fit. Construct validity was excellent for the Etiology and Risk domain (root mean squared error=0.02) and Prevention and Management domain (root mean squared error=0.02); it was good for the Classification and Diagnosis domain (root mean squared error=0.04). Composite reliability (CR) was good in the Etiology and Risk domain (CR=0.76), Prevention and Management domains (CR=0.75), and adequate in the Classification and Diagnosis domain (CR=0.64). Respondents had good understanding of etiology and risk (72.6% correct responses); fairly good understanding of prevention and management of IAD (64.0% correct responses) and moderate understanding of classification and diagnosis (40.2% correct responses). CONCLUSIONS: The Know-IAD demonstrated good psychometric properties and provides preliminary evidence that it can be applied to evaluate clinician knowledge on IAD.
Keywords
Advanced and Specialized Nursing, Medical–Surgical Nursing, Dermatitis, Knowledge, Incontinence-associated dermatitis, Incontinence, Psychometric testing, Reliability Tool, Validity, HEALTH DISTRICT, PRESSURE ULCERS, RISK-FACTORS, PREVALENCE, RELIABILITY, PREVENTION, MOISTURE, INJURY, VALUES, ALPHA

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MLA
Barakat-Johnson, Michelle, et al. “Development and Psychometric Testing of a Knowledge Instrument on Incontinence-Associated Dermatitis for Clinicians : The Know-IAD.” JOURNAL OF WOUND OSTOMY AND CONTINENCE NURSING, vol. 49, no. 1, 2022, pp. 70–77, doi:10.1097/won.0000000000000837.
APA
Barakat-Johnson, M., Beeckman, D., Campbell, J., Dunk, A. M., Lai, M., Stephenson, J., & Coyer, F. (2022). Development and psychometric testing of a knowledge instrument on incontinence-associated dermatitis for clinicians : the know-IAD. JOURNAL OF WOUND OSTOMY AND CONTINENCE NURSING, 49(1), 70–77. https://doi.org/10.1097/won.0000000000000837
Chicago author-date
Barakat-Johnson, Michelle, Dimitri Beeckman, Jill Campbell, Ann Marie Dunk, Michelle Lai, John Stephenson, and Fiona Coyer. 2022. “Development and Psychometric Testing of a Knowledge Instrument on Incontinence-Associated Dermatitis for Clinicians : The Know-IAD.” JOURNAL OF WOUND OSTOMY AND CONTINENCE NURSING 49 (1): 70–77. https://doi.org/10.1097/won.0000000000000837.
Chicago author-date (all authors)
Barakat-Johnson, Michelle, Dimitri Beeckman, Jill Campbell, Ann Marie Dunk, Michelle Lai, John Stephenson, and Fiona Coyer. 2022. “Development and Psychometric Testing of a Knowledge Instrument on Incontinence-Associated Dermatitis for Clinicians : The Know-IAD.” JOURNAL OF WOUND OSTOMY AND CONTINENCE NURSING 49 (1): 70–77. doi:10.1097/won.0000000000000837.
Vancouver
1.
Barakat-Johnson M, Beeckman D, Campbell J, Dunk AM, Lai M, Stephenson J, et al. Development and psychometric testing of a knowledge instrument on incontinence-associated dermatitis for clinicians : the know-IAD. JOURNAL OF WOUND OSTOMY AND CONTINENCE NURSING. 2022;49(1):70–7.
IEEE
[1]
M. Barakat-Johnson et al., “Development and psychometric testing of a knowledge instrument on incontinence-associated dermatitis for clinicians : the know-IAD,” JOURNAL OF WOUND OSTOMY AND CONTINENCE NURSING, vol. 49, no. 1, pp. 70–77, 2022.
@article{8734711,
  abstract     = {{PURPOSE: The purpose of this study was to describe the development and evaluation of the psychometric properties of an instrument used to assess clinician knowledge of Incontinence-associated dermatitis (IAD). DESIGN: The instrument was developed in three phases: Phase 1 involved item development; Phase 2 evaluated content validity of the instrument by surveying clinicians and stakeholders within a single state of Australia and, Phase 3 used a pilot multisite cross-sectional survey design to determine composite reliability and evaluate scores of the knowledge tool. SUBJECTS AND SETTINGS: In Phase 1, the instrument was developed by five persons with clinical and research subject expertise in the area of IAD. In Phase 2, content validity was evaluated by a group of 13 clinicians (nurses, physicians, occupational therapists, dietitians, and physiotherapists) working in acute care across one Australian state, New South Wales, along with two consumer representatives. In Phase 3, clinicians, working across six hospitals in New South Wales and on wards with patients diagnosed with incontinence-associated dermatitis, participated in pilot-testing the instrument. METHODS: During Phase 1, a group of local and international experts developed items for a draft tool based on an international consensus document, our prior research evaluating incontinence-associated dermatitis knowledge, and agreement among an expert panel of clinicians and researchers. Phase 2 used a survey design to determine content validity of the knowledge tool. Specifically, we calculated item- and scale-level content validity ratios and content validity indices for all questions within the draft instrument. Phase 3 comprised pilot-testing of the knowledge tool using a cross-sectional survey. Analysis involved confirmatory factor analysis to confirm the hypothesized model structure of the knowledge tool, as measured by model goodness-of-fit. Composite reliability testing was undertaken to determine the extent of internal consistency between constituent items of each construct. RESULTS: During Phase 1, a draft version of the Barakat-Johnson Incontinence-Associated Dermatitis Knowledge tool (Know-IAD), comprising 19 items and divided into three domains of IAD-related knowledge: 1) Etiology and Risk, 2) Classification and Diagnosis, and 3) Prevention and Management was developed. In Phase 2, 18 of the 19 items demonstrated high scale content validity ratios scores on relevance (0.75) and clarity (0.82); and high scale-content validity indices scores on relevance (0.87) and clarity (0.91). In Phase 3, the final 18-item Know-IAD tool demonstrated construct validity by a model goodness-of-fit. Construct validity was excellent for the Etiology and Risk domain (root mean squared error=0.02) and Prevention and Management domain (root mean squared error=0.02); it was good for the Classification and Diagnosis domain (root mean squared error=0.04). Composite reliability (CR) was good in the Etiology and Risk domain (CR=0.76), Prevention and Management domains (CR=0.75), and adequate in the Classification and Diagnosis domain (CR=0.64). Respondents had good understanding of etiology and risk (72.6% correct responses); fairly good understanding of prevention and management of IAD (64.0% correct responses) and moderate understanding of classification and diagnosis (40.2% correct responses). CONCLUSIONS: The Know-IAD demonstrated good psychometric properties and provides preliminary evidence that it can be applied to evaluate clinician knowledge on IAD.}},
  author       = {{Barakat-Johnson, Michelle and Beeckman, Dimitri and Campbell, Jill and Dunk, Ann Marie and Lai, Michelle and Stephenson, John and Coyer, Fiona}},
  issn         = {{1071-5754}},
  journal      = {{JOURNAL OF WOUND OSTOMY AND CONTINENCE NURSING}},
  keywords     = {{Advanced and Specialized Nursing,Medical–Surgical Nursing,Dermatitis,Knowledge,Incontinence-associated dermatitis,Incontinence,Psychometric testing,Reliability Tool,Validity,HEALTH DISTRICT,PRESSURE ULCERS,RISK-FACTORS,PREVALENCE,RELIABILITY,PREVENTION,MOISTURE,INJURY,VALUES,ALPHA}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{70--77}},
  title        = {{Development and psychometric testing of a knowledge instrument on incontinence-associated dermatitis for clinicians : the know-IAD}},
  url          = {{http://dx.doi.org/10.1097/won.0000000000000837}},
  volume       = {{49}},
  year         = {{2022}},
}

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