J Korean Med Sci.
2019 Jan;34(3):e25. 10.3346/jkms.2019.34.e25.
The Korean Version of the Test for Respiratory and Asthma Control in Kids (TRACK): Reliability and Validity
- Choi YJ
- Jang GC
- Yang HJ
- Kim HB
- Yoo Y
- Shin M
- Lee SY
- Kim J
- Kim WK
- Suh DI
- Koh YY
- the Korean childhood Asthma RESearch (KAERS) Group
- Affiliations
-
- 1Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea. dongins0@snu.ac.kr
- 2Sowha Children's Hospital, Seoul, Korea.
- 3Department of Pediatrics, National Health Insurance Service Ilsan Hospital, Goyang, Korea.
- 4Department of Pediatrics, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea.
- 5Department of Pediatrics, Inje University Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea.
- 6Department of Pediatrics, Korea University College of Medicine, Anam Hospital, Seoul, Korea.
- 7Department of Pediatrics, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea.
- 8Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
- 9Department of Pediatrics, Kangwon National University Hospital, Chuncheon, Korea.
- 10Department of Pediatrics, Inje University Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea.
- KMID: 2440154
- DOI: http://doi.org/10.3346/jkms.2019.34.e25
Abstract
- BACKGROUND
Test for Respiratory and Asthma Control in Kids (TRACK) questionnaires were developed and validated in various languages to monitor respiratory control in preschool-aged children. We aimed to assess the reliability and validity of the Korean version of the TRACK questionnaire.
METHODS
We administered the linguistically validated TRACK questionnaires to caregivers of asthmatic preschool children on two separate visits 4-6 weeks apart. Each physician graded the level of the guideline-based asthma control, assessed the timing of symptoms, and adjusted the therapeutic level at each visit.
RESULTS
A total of 137 children were enrolled in the study. Cronbach's alpha was 0.65 for a questionnaire as a whole. The test-retest reliability was 0.72. The median TRACK scores were significantly different between asthma control status categories, with the lowest scores in children classified as poorly controlled and the highest in the well-controlled group (P < 0.001). They were different among groups classified according to the physician adjusted therapeutic levels, with the lowest values in children prescribed step-up therapy (P < 0.001), and according to the recency of respiratory symptoms (P < 0.001). Finally, the changes in TRACK scores between visits were highest in subjects showing improved control, followed by unchanged, and worsened control. When we applied the traditional cut-off of 80 for a well-controlled condition, a sensitivity of 75.6% and a specificity of 70.9% were calculated.
CONCLUSION
The Korean translated version of the TRACK questionnaire is valid and reliable to assess respiratory and asthma control in Korean preschool children with asthma symptoms.
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