Stabilization of asthma prevalence among adolescents and increase among schoolchildren (ISAAC phases I and III) in Spain*

García‐Marcos, Luis; Quirós, Alfredo Blanco; Hernández, G. García; Guillén-Grima, Francisco; Díaz, Carlos González; Ureña, I Carvajal; Peña, Alberto; Monge, R Busquets; Suárez-Varela, María Morales; Varela, Ángel López-Silvarrey; Cabanillas, P. Gómez; Garrido, José Batlles

doi:10.1111/j.1398-9995.2004.00562.x

Cited by 128 publications

(59 citation statements)

References 29 publications

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“…Based on the application of standardised methods to the measurement of the prevalence of asthma and wheezing illness in children [5] and adults [7], it appears that the global prevalence of asthma ranges 1-18% of the population in different countries. Its prevalence has been increasing in some countries [8,9] but has stabilised or even begun to decline in others [10,11]. The WHO has estimated that 15 million disability-adjusted life-yrs are lost annually due to asthma, representing 1% of the total global disease burden [12].…”

Section: Burden Of Asthmamentioning

confidence: 99%

Global strategy for asthma management and prevention: GINA executive summary

Bateman

Ss²,

Barnes³

et al. 2007

Eur Respir J

2,664

2,301

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Asthma is a serious health problem throughout the world. During the past two decades, many scientific advances have improved our understanding of asthma and ability to manage and control it effectively. However, recommendations for asthma care need to be adapted to local conditions, resources and services. Since it was formed in 1993, the Global Initiative for Asthma, a network of individuals, organisations and public health officials, has played a leading role in disseminating information about the care of patients with asthma based on a process of continuous review of published scientific investigations. A comprehensive workshop report entitled ''A Global Strategy for Asthma Management and Prevention'', first published in 1995, has been widely adopted, translated and reproduced, and forms the basis for many national guidelines. The 2006 report contains important new themes. First, it asserts that ''it is reasonable to expect that in most patients with asthma, control of the disease can and should be achieved and maintained,'' and recommends a change in approach to asthma management, with asthma control, rather than asthma severity, being the focus of treatment decisions. The importance of the patient-care giver partnership and guided self-management, along with setting goals for treatment, are also emphasised.

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Section: Burden Of Asthmamentioning

confidence: 99%

Global strategy for asthma management and prevention: GINA executive summary

Bateman

Ss²,

Barnes³

et al. 2007

Eur Respir J

2,664

2,301

View full text Add to dashboard Cite

show abstract

“…The country has a central plateau which extends almost to the coasts. This plateau has a mean altitude of about 800 m. The ISAAC study (in children of both 13-14 and 6-7 years old) has been carried out in different Spanish cities both on the coasts and on the plateau, and was undertaken in 1994 (Aguinaga-Ontoso et al 1999) and 2002(Garcia-Marcos et al 2004.…”

Section: Introductionmentioning

confidence: 99%

Influence of two different geo-climatic zones on the prevalence and time trends of asthma symptoms among Spanish adolescents and schoolchildren

et al. 2008

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Few studies have focused on the long-term influence of the climate on the prevalence of asthma. The aim of this study is to establish the influence of geo-climatic conditions on the prevalence of asthma symptoms both in adolescents and schoolchildren, and to discover if this influence is associated with their time trends. Eight centres in Spain performed both ISAAC phases I (1994) and III (2002) in children 13-14 years old. Six of them also surveyed children 6-7 years old. For each age group and phase, about 3,000 children were surveyed per centre. This study examines the prevalence of current wheeze and severe current wheeze in two different geo-climatic zones, coast and plateau, considering their relative humidity and temperature range. In both age groups, the mean asthma prevalence on the coast, for phase I and III, was significantly higher than on the plateau. Living on the plateau was an independent protective factor for current wheeze and severe current wheeze for the two age groups. Within the coastal centres, the increase of the annual relative humidity was a statistical significant risk factor for current wheeze, the same trend existing for current severe wheeze. These effects were independent of the sex and of the phase of the study. The prevalence of asthma and severe asthma symptoms is more frequent on the coast of Spain as compared to the inner plateau. This finding was repeated both in 1994 and in 2002.

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“…The data for asthma prevalence were obtained from the ISAAC study for the groups of 6-7 years and 13-14 years from Phase III from the years 2002-2003 and included the centres in Asturias, Barcelona, Bilbao, Cartagena, La Coruña, Madrid, San Sebastian, Valencia and Valladolid. The study conditions have been described previously (García-Marcos et al 2004) and are based on standardised questionnaires for asthma, rhinitis, and eczema answered by the adolescents of 13-14 years, and by the parents in the case of the 6-to 7-year-old schoolchildren, with the mean participation being 88.5% in the older age group, and 72.3% in the younger age group (Carvajal-Urueña et al 2005). …”

Section: Methodsmentioning

confidence: 99%

Sunny hours and variations in the prevalence of asthma in schoolchildren according to the International Study of Asthma and Allergies (ISAAC) Phase III in Spain

Arnedo-Pena¹,

García‐Marcos

Fernández-Espinar

et al. 2010

Int J Biometeorol

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The objective of this study was to estimate the relationship between the prevalence of asthma in schoolchildren aged 6-7 years and 13-14 years and the mean annual sunny hours (MASH) in Spain, and to explore predictive models for asthma prevalence. The prevalence of asthma was obtained from the International Study of Asthma and Allergies (ISAAC) Phase III 2002-2003, and climate and socio-economic variables from official sources. Nine centres were studied and a further four centres, two of which are in ISAAC, to test the predictive models. Logistic regression was used to estimate adjusted prevalence rates of asthma for each centre, and multiple regression models to study the effects of MASH and other meteorological and socio-economic variables. The adjusted prevalence rate of asthma decreased 0.6% [95% confidence interval (CI) 0.4-0.8%] for the 6-7 years group and 1.1% (95% CI 0.8-1.3%) for the 13-14 years group with an increase in the MASH of 100 h. Relative humidity was negatively associated with asthma in the older age group, and gross province product per capita (GPP) was positively associated with asthma in the younger age group. The predictive models, which included MASH, gender, relative humidity, and GPP, anticipated prevalence rates of asthma without significant differences between the levels observed and those expected in 9 of the 11 measurements carried out. The results indicate that sunny hours have a protective effect on the prevalence of asthma in schoolchildren.

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Stabilization of asthma prevalence among adolescents and increase among schoolchildren (ISAAC phases I and III) in Spain*

Abstract: In the last 8 years, the prevalence of asthma has not changed in 13-14-year-old Spanish children but has increased substantially in 6-7-year olds.

Cited by 128 publications

References 29 publications

Global strategy for asthma management and prevention: GINA executive summary

Global strategy for asthma management and prevention: GINA executive summary

Influence of two different geo-climatic zones on the prevalence and time trends of asthma symptoms among Spanish adolescents and schoolchildren

Sunny hours and variations in the prevalence of asthma in schoolchildren according to the International Study of Asthma and Allergies (ISAAC) Phase III in Spain

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