“…11,12 Although the reasons for less regular use of ICS were complex, they may be attributed to the patients' fear of steroidrelated side effects, concern over long-term use of medicines and excessive expectancy of immediate effect, as well as apparent lack of efficacy of ICS resulting from the incorrect technique of inhalers. [11][12][13]36 In addition, economic factors should be considered, too. The asthmatic patients with monthly family per capita income below 1000 Chinese yuan accounted for 62.5% in this study, while the average cost of ICS inhalation treatment was at least 150 yuan monthly, let alone that the treatment might last for months or even years, which became a heavy burden for asthma patients.…”