Table 6. Other European surveys and studies of patients with asthma.

Study name	Number of countriesa	Number of patients	Age, years	Survey design	Prevalence of uncontrolled asthma	Experienced symptoms	Rescue medication use
European National Health and Wellness Survey5 (2010 data)	5	3,848	18 and above	Repeated cross-sectional survey	54% (‘not well-controlled’)	NR as percentage of patients	~75% >2 times per week (not well-controlled population)
The Living and Breathing study20	1	517	14–65	Quantitative face-to-face interview	NR	66% (>2 times per week)	32% daily
Global Asthma Insights and Reality Survey16	7	2,803	Children (<16) and adults	Telephone questionnaire	NR	56% (in the previous 4 weeks)	NR
International Control of Asthma Symptoms17	7b	802	16 and above	Computer-aided telephone interview	82% (‘absence of control’)	74% (in the previous 8 weeks)	62% (>1 use in the previous 8 weeks)
Asthma Insight and Management in Europe and Canada (EUCAN AIM) survey25	5	2,019	Adolescents (12–17) and adults	Telephone interview	12–35%c	13–29%c (every day or most days in the previous 4 weeks)	31–56%c (>1 use per week, over the past year)
UK asthma survey38	1	1,083	18 and above	Online questionnaire survey	NR	65% (in the past 2 years)	41% (⩾1/day)
Understanding patients with asthma and COPD18	5	1,022	18 and above	Online questionnaire survey	38% (ACQ >1.5)	NR	58% (>1–2 most days)

Abbreviations: ACQ, Asthma Control Questionnaire; COPD, chronic obstructive pulmonary disease; NR, not reported.

^aUnless otherwise specified, only European countries are included in this table.

^bIncludes Canada and Australia.

^cRange across all countries.