The association between birth season and future development of childhood asthma

Eli Gazala, Vered Ron-Feldman, Mira Alterman, Shira Kama, Lena Novack

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

The aim of this study was to examine a possible association between birth season (date of birth) and future development of asthma in children. A case-control study was designed to include asthmatic children aged 2-7 years, living in the city of Beer-Sheva, in southern Israel, registered in one pediatric center. Controls were healthy children matched forage and registered at the same clinic. Demographic data, past medical history, and asthma history and severity were collected using the computerized medical charts and asthma registry. A structured telephone questionnaire was used to complete the data. Children with a history of prematurity or chronic significant illness were excluded from the study. Sixty-six children and 69 controls were enrolled in the study. There were significantly more males in the asthmatic group compared to controls (P = 0.003). History of bronchiolitis or recurrent wheezing episodes in the first year, family history of asthma, and Middle-Eastern origin were significantly more common among asthmatic children than controls (P < 0.001). Asthmatic children were more likely to be born between March and June and least likely to be born between October and December, compared to controls (P < 0.05). Multivariate logistic regression analysis revealed three variables to be independent significant risk factors for development of asthma: birth season between March and June, acute bronchiolitis or recurrent wheezing episodes during first year of life, and male gender. Birth season during late winter and spring is associated with asthma during childhood.

Original languageEnglish
Pages (from-to)1125-1128
Number of pages4
JournalPediatric Pulmonology
Volume41
Issue number12
DOIs
StatePublished - 1 Dec 2006

Keywords

  • Allergy
  • Asthma
  • Birth season
  • Bronchiolitis
  • RSV
  • Wheezing

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Pulmonary and Respiratory Medicine

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