BMC pulmonary medicine · 2025
Determinants of adherence to inhaler use in patients with asthma: the role of knowledge, self-efficacy, and perceived barriers.
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Hosseininia Saeed, Mohammadikebar Sousan, Motashakkeri Leila, Kamran Aziz
Аннотация
BACKGROUND: Adherence to inhaler therapy is a crucial determinant in the management and control of asthma. However, real-world evidence indicates that only 30-70% of patients adhere to prescribed treatments. This study aimed to identify the psychological and behavioral factors influencing inhaler adherence among patients with asthma.
METHODS: This cross-sectional study was conducted on 300 patients with a confirmed diagnosis of asthma based on GINA criteria at Imam Khomeini Hospital, Ardabil, Iran, during the winter of 2021-2022. Participants were selected through a census sampling method. Data were collected using a researcher-developed questionnaire and analyzed statistically.
RESULTS: Inhaler adherence was positively associated with patient knowledge, disease acceptance, treatment acceptance, self-efficacy, and perceived benefits of inhaler use. Conversely, fear of side effects and inhaler-related stigma were negatively associated with adherence (P < 0.05). Significant differences in adherence-related variables (knowledge, disease and treatment acceptance, stigma, self-efficacy, and perceived benefits) were found across different educational levels and between urban and rural patients (P < 0.05).
CONCLUSIONS: Psychological and behavioral factors play a significant role in adherence to inhaler therapy in asthma patients. Regular assessment of patients' knowledge, beliefs, and behavioral patterns regarding inhaler use during clinical visits may enhance self-management and improve treatment outcomes.
METHODS: This cross-sectional study was conducted on 300 patients with a confirmed diagnosis of asthma based on GINA criteria at Imam Khomeini Hospital, Ardabil, Iran, during the winter of 2021-2022. Participants were selected through a census sampling method. Data were collected using a researcher-developed questionnaire and analyzed statistically.
RESULTS: Inhaler adherence was positively associated with patient knowledge, disease acceptance, treatment acceptance, self-efficacy, and perceived benefits of inhaler use. Conversely, fear of side effects and inhaler-related stigma were negatively associated with adherence (P < 0.05). Significant differences in adherence-related variables (knowledge, disease and treatment acceptance, stigma, self-efficacy, and perceived benefits) were found across different educational levels and between urban and rural patients (P < 0.05).
CONCLUSIONS: Psychological and behavioral factors play a significant role in adherence to inhaler therapy in asthma patients. Regular assessment of patients' knowledge, beliefs, and behavioral patterns regarding inhaler use during clinical visits may enhance self-management and improve treatment outcomes.