Jornal brasileiro de pneumologia : publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia · 2008
Low income as a protective factor against asthma in children and adolescents treated via the Brazilian Unified Health System.
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Britto Murilo Carlos Amorim de, Freire Emilses Fernandes de Carvalho, Bezerra Patrícia Gomes de Matos, Brito Rita de Cássia Coelho Moraes de, Rego Joakim da Cunha
Аннотация
OBJECTIVE: To analyze the role that low income plays in the development of asthma in children and adolescents.
METHODS: A case-control study using a questionnaire.
RESULTS: A total of 687 participants were studied at a tertiary hospital via the Brazilian Unified Health System. Ages ranged from 5 to 15 years, and 54.7% of the participants were male. Nearly half of the individuals (49.1%) lived in the metropolitan area of the city of Recife, and the remainder lived in the countryside. Most (98.1%) lived in concrete houses or apartments, with a mean of 5.7 rooms and 4.8 occupants per residence. Mean maternal level of education was 6.8 years of schooling. The median monthly per capita income was R$ 103.75 (Brazilian reals). The sample was stratified according to cut-off points related to the national minimum wage (R$350.00): <25% of minimum wage = very low income (39% of the sample); <50% of minimum wage = low income (37.3% of the sample); and > or =50% of minimum wage = satisfactory income (23.7% of the sample). There was no association between poverty and development of asthma.
CONCLUSIONS: Poverty is not protective against asthma in children and adolescents treated via the Brazilian Unified Health System, as we might suppose based on the hygiene hypothesis. However, cohort studies are needed in order to confirm these findings.
METHODS: A case-control study using a questionnaire.
RESULTS: A total of 687 participants were studied at a tertiary hospital via the Brazilian Unified Health System. Ages ranged from 5 to 15 years, and 54.7% of the participants were male. Nearly half of the individuals (49.1%) lived in the metropolitan area of the city of Recife, and the remainder lived in the countryside. Most (98.1%) lived in concrete houses or apartments, with a mean of 5.7 rooms and 4.8 occupants per residence. Mean maternal level of education was 6.8 years of schooling. The median monthly per capita income was R$ 103.75 (Brazilian reals). The sample was stratified according to cut-off points related to the national minimum wage (R$350.00): <25% of minimum wage = very low income (39% of the sample); <50% of minimum wage = low income (37.3% of the sample); and > or =50% of minimum wage = satisfactory income (23.7% of the sample). There was no association between poverty and development of asthma.
CONCLUSIONS: Poverty is not protective against asthma in children and adolescents treated via the Brazilian Unified Health System, as we might suppose based on the hygiene hypothesis. However, cohort studies are needed in order to confirm these findings.