Table 1.

Sample Characteristics, and Asthma Prevalence

Country	Part 1 sample (N)	Part-2 sub- sample (N)	Mean age^φ	% 60 yrs. or older	% women	Education secondary or greater %	Asthma Prevalence^φφ
Country	Part 1 sample (N)	Part-2 sub- sample (N)	Mean age^φ	% 60 yrs. or older	% women	Education secondary or greater %	Number	Weighted prevalence %
*Americas*
Colombia	4426	2381	36.6	5.3	54.5	46.4	93	3.0
Mexico	5782	2362	35.2	5.2	52.3	31.4	63	2.2
United States	9282	5692	45.0	21.2	53.0	83.2	751	11.6
*Asia & S. Pacific*
Japan	2436	887	51.4	34.9	53.7	70.0	57	5.4
PRC-Beijing	2633	914	39.8	15.6	47.5	61.4	37	2.3
PRC - Shanghai	2568
New Zealand	12992	7312	44.6	20.7	52.2	60.4	1357	17.2
*Europe*
Belgium	2419	1043	46.9	27.3	51.7	69.7	61	5.8
France	2894	1436	46.3	26.5	52.2	NA	111	7.5
Germany	3555	1323	48.2	30.6	51.7	96.4	63	4.5
Italy	4712	1779	47.7	29.2	52.0	39.5	86	4.6
Netherlands	2372	1094	45.0	22.7	50.9	69.7	102	8.5
Spain	5473	2121	45.5	25.5	51.4	41.7	130	5.7
Ukraine	4725	1720	46.1	27.3	55.1	79.5	54	1.8
*Middle East and Africa*
Lebanon	2857	602	40.3	15.3	48.1	40.5	9	1.2
Nigeria	6752	2143	35.8	9.7	51.0	35.6	17	0.6
Israel	4859	4859	44.4	20.3	51.9	78.3	353	7.2
South Africa	4315	4315	37.1	8.8	53.6	38.9	256	5.8

^φ

Age range ≥ 18, except for Colombia, Mexico (18–65), Japan (≥ 20) and Israel (≥21)

^φφ

Lifetime diagnosis of asthma