Analysis
The associations between adherence and changes in PACQLQ, FeNO and symptom control from baseline to the end of the monitoring period were assessed using the non-parametric Wilcoxon Signed Rank Test, differences between unpaired data were assessed using the Mann Whitney test for 2 groups, or the Kruskal Wallis test for >2 groups. Data were analysed using Graphpad Prism v6 software and p<0.05 was considered statistically significant.