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Related Experiment Video

Updated: Mar 29, 2026

Developing a Salivary Antibody Multiplex Immunoassay to Measure Human Exposure to Environmental Pathogens
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Development and Psychometric Testing of an Infectious Disease Knowledge Questionnaire in a Convenience Sample.

Selda Seçginli1, Nesrin İlhan2, Gizemnur Torun3

  • 1Department of Nursing, Faculty of Health Sciences, Istanbul Atlas University, Istanbul 34408, Türkiye.

International Journal of Environmental Research and Public Health
|March 28, 2026
PubMed
Summary
This summary is machine-generated.

The Infectious Diseases Knowledge Questionnaire (IDKQ) was developed and validated for community use. It shows good reliability and construct validity for assessing infectious disease knowledge.

Keywords:
communityinfectious disease knowledgepsychometric testingreliabilityvalidity

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Area of Science:

  • Public Health
  • Epidemiology
  • Health Education

Background:

  • Assessing infectious disease knowledge is crucial for effective public health interventions.
  • Validated tools are needed to measure community-level understanding of infectious diseases.

Purpose of the Study:

  • To develop the Infectious Diseases Knowledge Questionnaire (IDKQ).
  • To evaluate the psychometric properties of the IDKQ for community settings.

Main Methods:

  • Methodological study with 533 adults (≥ 18 years).
  • Data collected via sociodemographic form and IDKQ.
  • Content validity (expert evaluation), construct validity (EFA, CFA), and reliability (KR-20, test-retest, ICC) assessed.

Main Results:

  • Content validity index: 0.94–1.00.
  • Exploratory Factor Analysis (EFA) identified a 17-item, four-factor structure (45.66% variance).
  • Confirmatory Factor Analysis (CFA) showed good model fit; KR-20=0.735, test-retest=0.604, ICC=0.781.

Conclusions:

  • The IDKQ demonstrates acceptable internal consistency and moderate temporal stability.
  • Preliminary evidence supports the IDKQ's reliability and construct validity.
  • The IDKQ can be a tool for assessing infectious disease knowledge in communities, pending further validation.