Comparison 2. Adult studies.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Asthma exacerbations during follow‐up	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
1.1 Number of participants who had one or more exacerbation over the study period	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
1.2 Number of participants requiring oral corticosteroids over the study period	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
1.3 Severe exacerbations requiring hospitalisation over the study period	1		Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
2 Change in AQLQ	2		Mean Difference (Fixed, 95% CI)	0.26 [0.17, 0.36]
3 Asthma Knowledge Factors	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
3.1 Proper use of inhaler technique	1		Mean Difference (IV, Fixed, 95% CI)	0.0 [0.0, 0.0]
3.2 Knowledge of asthma symptoms	1		Mean Difference (IV, Fixed, 95% CI)	0.0 [0.0, 0.0]