Table 3.
12-month prevalence of asthma symptoms and absolute change per decade for the 6–7-years age group in each study centre
|
Wheeze in past 12 months |
Asthma ever |
Severe asthma symptoms in past 12 months |
Exercise wheeze in past 12 months |
Night cough in past 12 months |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of individuals* | Prevalence, %* | Absolute change per decade, %† | SE change† | Prevalence, %* | Absolute change per decade, %† | SE change† | Prevalence, %* | Absolute change per decade, %† | SE change† | Prevalence, %* | Absolute change per decade, %† | SE change† | Prevalence, %* | Absolute change per decade, %† | SE change† | ||
| Africa and Eastern Mediterranean | |||||||||||||||||
| Syria (Lattakia) | 1116 | 10·8% | 3·8% | 5·1 | 11·9% | 4·9% | 5·2 | 5·4% | 1·7% | 3·2 | 11·6% | 5·5% | 6·7 | 29·1% | 8·6% | 4·4% | |
| Region total | 1116 | 10·8% | 3·8% | NA | 11·9% | 4·9% | NA | 5·4% | 1·7% | NA | 11·6% | 5·5% | NA | 29·1% | 8·6% | NA | |
| Americas | |||||||||||||||||
| Costa Rica (Costa Rica) | 1936 | 23·2% | −9·0% | −7·5 | 29·3% | 0·9% | 0·6 | 13·2% | −3·2% | −4·1 | 12·2% | −3·0% | −3·5 | 45·9% | 5·6% | 5·5% | |
| Mexico (Ciudad Victoria) | 2444 | 11·7% | 2·4% | 3·9 | 6·5% | 1·4% | 2·5 | 5·8% | 1·8% | 4·4 | 10·0% | 4·5% | 7·1 | 22·7% | −4·6% | −4·3% | |
| Mexico (Mexicali) | 2001 | 14·0% | 3·9% | 5·7 | 7·5% | −0·2% | −0·4 | 7·6% | 3·3% | 5·9 | 14·8% | 7·0% | 10·3 | 23·0% | −3·4% | −2·8% | |
| Mexico (Mexico City [North Area]) | 2515 | 10·6% | 2·8% | 4·2 | 5·1% | 0·5% | 1·0 | 4·3% | 1·5% | 4·1 | 9·1% | 4·2% | 7·5 | 19·8% | −7·9% | −5·6% | |
| Mexico (Toluca Urban Area) | 2712 | 6·4% | 0·4% | 0·4 | 3·4% | 1·0% | 2·6 | 2·9% | 0·7% | 1·4 | 6·5% | 2·2% | 3·2 | 18·0% | −0·6% | −0·5% | |
| Nicaragua (Managua) | 3162 | 12·2% | −3·0% | −3·0 | 14·0% | −1·8% | −1·9 | 5·9% | −2·1% | −3·2 | 7·9% | −4·9% | −5·9 | 32·5% | −7·2% | −3·7% | |
| Region total | 14 770 | 12·5% | −1·5% | NA | 10·4% | −0·4% | NA | 6·3% | −0·3% | NA | 9·7% | 0·8% | NA | 26·5% | −3·4% | NA | |
| Europe | |||||||||||||||||
| Spain (A Coruña) | 3407 | 11·0% | −1·3% | −2·3 | 9·7% | −2·6% | −4·5 | 4·4% | −0·2% | −0·4 | 4·9% | −0·8% | −2·0 | 30·9% | 4·8% | 5·1% | |
| Spain (Bilbao) | 2707 | 10·9% | −0·9% | −1·4 | 22·7% | 1·2% | 1·4 | 4·1% | 0·2% | 0·4 | 6·4% | −0·1% | −0·3 | 27·8% | 4·2% | 5·0% | |
| Spain (Cartagena) | 3509 | 11·7% | 0·5% | 0·9 | 10·3% | −0·3% | −0·6 | 4·4% | 0·2% | 0·4 | 6·1% | 0·7% | 1·7 | 27·4% | 4·7% | 5·6% | |
| Region total | 9623 | 11·2% | −0·6% | NA | 13·6% | −1·1% | NA | 4·3% | 0·1% | NA | 5·7% | −0·1% | NA | 28·7% | 4·6% | NA | |
| South-East Asia and Western Pacific | |||||||||||||||||
| India (Jaipur) | 2296 | 2·4% | −2·0% | −2·1 | 2·2% | −2·2% | −2·3 | 0·8% | −1·7% | −2·0 | 2·5% | −0·6% | −0·5 | 19·9% | −2·9% | −2·3% | |
| India (Kottayam) | 2099 | 5·5% | −11·3% | −13·4 | 3·5% | −5·2% | −3·7 | 2·9% | −5·3% | −4·8 | 1·8% | −7·1% | −6·2 | 20·9% | −0·3% | −0·2% | |
| India (Lucknow) | 2969 | 1·1% | −1·5% | −3·3 | 0·6% | −1·1% | −3·7 | 0·5% | −0·6% | −2·7 | 1·9% | 0·2% | 0·6 | 6·7% | −5·7% | −5·0% | |
| India (New Delhi) | 2516 | 3·5% | −1·6% | −2·6 | 0·4% | −3·9% | −5·7 | 0·8% | −1·1% | −5·8 | 2·7% | −0·2% | −0·6 | 22·9% | 9·8% | 7·8% | |
| India (Pune) | 2404 | 2·1% | −1·2% | −3·4 | 1·8% | −1·0% | −3·6 | 0·7% | 0·4% | 4·1 | 4·4% | 0·8% | 1·7 | 19·8% | 5·0% | 5·3% | |
| New Zealand (Auckland) | 1538 | 17·4% | −3·1% | −3·6 | 19·2% | −5·5% | −4·5 | 6·7% | −2·0% | −3·4 | 12·0% | −2·1% | −2·3 | 24·8% | −2·7% | −2·7% | |
| Taiwan (Taipei) | 3036 | 13·6% | 2·4% | 4·2 | 14·5% | 0·1% | 0·2 | 3·7% | 1·0% | 3·7 | 6·9% | 1·3% | 3·8 | 32·8% | 7·4% | 14·7% | |
| Thailand (Bangkok) | 3067 | 14·6% | −0·2% | −0·3 | 6·1% | −2·9% | −4·2 | 6·8% | 0·9% | 1·9 | 3·0% | −1·7% | −3·6 | 24·2% | −4·2% | −5·1% | |
| Region total | 19 925 | 7·4% | −2·5% | NA | 5·6% | −3·4% | NA | 2·8% | −1·0% | NA | 4·1% | −1·3% | NA | 21·4% | 0·5% | NA | |
| World total | 45 434 | 9·9% | −1·5% | NA | 9·0% | −1·6% | NA | 4·3% | −0·5% | NA | 6·4% | −0·2% | NA | 24·8% | 0·5% | NA | |
The Chandigarh centre is not presented because its ISAAC data are from Phase I alone. NA=not applicable. Methodology notes for centres with GAN Phase I data alone are the following: response rate lower than 70% (Costa Rica, Bilbao, Cartagena, Kottayam, Auckland); no date of birth on the questionnaire (Taipei); no age on the questionnaire (New Delhi); fewer than ten schools used when ten or more schools were available (Bangkok); and more than 20% of questionnaires missing age and date of birth (Bangkok). GAN=Global Asthma Network. ISAAC=International Study of Asthma and Allergies in Childhood.
GAN Phase I.
ISAAC Phase III to GAN Phase I.