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. 2023 Sep 28:11:1143120.
doi: 10.3389/fpubh.2023.1143120. eCollection 2023.

Development and validation of assessment instrument for the perception and attitude toward tuberculosis among the general population in Indonesia: a Rasch analysis of psychometric properties

Dian Ayu Eka Pitaloka  1   2 , Ikhwan Yuda Kusuma  3   4 , Hening Pratiwi  5 , Ivan Surya Pradipta  1   6
Affiliations

Development and validation of assessment instrument for the perception and attitude toward tuberculosis among the general population in Indonesia: a Rasch analysis of psychometric properties

Dian Ayu Eka Pitaloka et al. Front Public Health. .

Abstract

Introduction: Tuberculosis (TB)-related knowledge is an important evaluation metric for health education interventions. Factor analysis is limited when used on ordinal scales and does not provide in-depth item function examinations, whereas Rasch analysis addresses these limitations and offers potential advantages such as generalizability, testing of unidimensionality, producing an ordered set of items, and identifying poorly functioning items. Therefore, this research aims to develop a reliable and valid measure of perception and attitude toward TB (PATT) for public application use Rasch Analysis.

Methods: A questionnaire-based survey was conducted on the Indonesian general population using the Google Form platform. Rasch analysis was then employed to examine the psychometric properties and develop the final items of PATT.

Results: Experts from across the TB community participated in the PATT development, producing an initial scale of 16 items. Up to 1,616 participants completed the PATT questionnaire, where 74.8% were female, and 5% had a TB history. The final unidimensional 16-item scale has an item reliability of 1.00 for the two components (perception and attitude), a person reliability index of 0.87 and 0.60, as well as a Cronbach's test reliability of 0.88 and 0.88 for perception and attitude, respectively.

Conclusion: The PATT is a unidimensional scale with good construct validity and internal consistency. It has the potential to be useful for the assessment of TB perception and attitude in research and clinical practice.

Keywords: Rasch analysis; attitude assessment; perception; psychometric properties; tuberculosis.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. The reviewers SF and WR declared a shared affiliation with the authors DP and IP to the handling editor at the time of review.

Figures

Figure 1
Figure 1
Respondents of PATT questionnaire.
Figure 2
Figure 2
Bubble Chart (A) Perception and (B) Attitude toward TB explained the item fit order based on infit MNSQ; Y axis is JMLE measure; X axis is item fit mean square; overfit (x > 1.50); outfit (0.50 < x < 1.50).
Figure 3
Figure 3
Wright Map of PATT instruments representing a direct comparison of person dispersion and item distribution. (A) perception and (B) attitude toward TB.
See this image and copyright information in PMC

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