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Fig. 4 | BMC Pulmonary Medicine

Fig. 4

From: Change in the prevalence asthma, rhinitis and respiratory symptom over a 20 year period: associations to year of birth, life style and sleep related symptoms

Fig. 4

Odds ratio for allergic rhinitis in those born after 1965 compared to those born before 1956 by study centre. The odds ratio is adjusted for sex, smoking, body mass index, gastro-esophageal reflux and centre. The area of each square is proportional to the reciprocal of the variance of the estimate for the country. The combined random effects estimate is shown by the dashed line, the diamond having the width of its 95% confidence interval

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BMC Pulmonary Medicine

ISSN: 1471-2466

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