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Knowledge on self-management and levels of asthma control among adult patients in Ho Chi Minh City, Vietnam

Authors Nguyen VN, Huynh TTH, Chavannes NH

Received 14 November 2017

Accepted for publication 23 December 2017

Published 26 February 2018 Volume 2018:11 Pages 81—89

DOI https://doi.org/10.2147/IJGM.S157050

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Ms Justinn Cochran

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser


Vinh Nhu Nguyen,1–3 Thuong Thi Hoai Huynh,4 Niels H Chavannes1

1Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, the Netherlands; 2Department of Family Medicine, Faculty of Medicine, University of Medicine and Pharmacy, Ho Chi Minh City, Vietnam, 3Department of Respiratory Functional Exploration, University Medical Center, Ho Chi Minh City, Vietnam, 4Faculty of Public Health, University of Medicine and Pharmacy, Ho Chi Minh City, Vietnam

Background: Most asthma patients in Vietnam have poorly controlled asthma. Besides reasons related to the health care system and health care providers, knowledge on the self-management of patients has also contributed to this situation.
Purpose: To assess knowledge on asthma self-management among adult asthma patients in Ho Chi Minh City.
Patients and methods: A cross-sectional study with convenience sampling was conducted among 322 ambulatory patients using questionnaires filled in via a face-to-face interview. The questionnaires enquired about: 1) sociodemographic details, 2) the Global Initiative for Asthma 2017 criteria of asthma control, 3) the Asthma Control Test, and 4) the Asthma Self-Management Questionnaire (ASMQ). Knowledge on asthma self-management was determined by the ASMQ score. The relationship between this knowledge and demographic factors and asthma control levels was determined.
Results: The knowledge on asthma self-management was low, with a mean raw ASMQ score of 4.3 (maximum 14); this is equivalent to 30 in a transformed score (maximum 100). Only 0.3% of these patients had good knowledge, 16.2% had adequate knowledge, and 83.5% had poor knowledge. Of all participants, 52% stated erroneously that asthma can be cured, 30% were confused about control and rescue medications, 68% failed to correctly describe the inhalation technique, and only 15.5% could answer correctly about the management of an exacerbation. Although most participants had poor asthma control, the higher the patient’s level of control, the better the ASMQ score. Conversely, patients with better knowledge of asthma self-management (ASMQ score ≥50) had better asthma control based on the Asthma Control Test score. Also, a higher education level was associated with more knowledge on asthma self-management.
Conclusion: In these patients, the level of knowledge on asthma self-management was low and significantly correlated with the level of asthma control. There is a clear need to improve knowledge in order to improve asthma control in Vietnam.

Keywords: asthma control, asthma knowledge, Asthma Self-Management Questionnaire, asthma patients

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