Dietary factors associated with lifetime asthma or hayfever diagnosis in Australian middle-aged and older adults: a cross-sectional study

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dc.contributor.author Rosenkranz, Richard R.
dc.contributor.author Rosenkranz, Sara K.
dc.contributor.author Neessen, Kelly J. J.
dc.date.accessioned 2013-02-01T15:21:19Z
dc.date.available 2013-02-01T15:21:19Z
dc.date.issued 2012-10-12
dc.identifier.uri http://hdl.handle.net/2097/15281
dc.description.abstract Background: There is abundant research relevant to genetic and environmental influences on asthma and hayfever, but little is known about dietary risk factors in Australian adults. This study’s purpose was to identify dietary factors associated with lifetime asthma (AS) and asthma or hayfever (AS/HF) diagnosis in Australian middle-aged and older adults. Methods: From The 45 and Up Study baseline self-report data, this study included 156,035 adult men and women. Participants were sampled from the general population of New South Wales, Australia in 2006–2009. About 12% of participants reported ever receiving an AS diagnosis (men 10%; women 14%) and 23% reported AS/HF diagnosis (men 19%; women 26%). Following principle components factor analysis, dietary items loaded onto one of four factors for men (meats/cheese; fruits/vegetables; poultry/seafood; grains/alcohol) or five factors for women (meats; fruits/vegetables; poultry/seafood; cereal/alcohol; brown bread/cheese). Logistic regression was used to analyze the associations between dietary factors and AS or AS/HF diagnosis. Results: For men, the meats/cheese factor was positively associated with AS (AOR = adjusted odds ratio for highest versus lowest quintile = 1.18, 95%CI = 1.08, 1.28; P[subscript trend] = 0.001) and AS/HF (AOR for highest versus lowest quintile = 1.22, 95%CI = 1.14, 1.29; P[subscript trend] < 0.001). Poultry/seafood was also associated with AS/HF in men (AOR for highest versus lowest quintile = 1.11, 95%CI = 1.04, 1.17; P[subscript trend] = 0.002). For women, significant risk factors for AS/HF included meats (AOR for highest versus lowest quintile = 1.25, 95%CI = 1.19, 1.31; P[subscript trend] = 0.001), poultry/seafood (AOR for highest versus lowest quintile = 1.06, 95%CI = 1.01, 1.12; P[subscript trend] = 0.016), and fruits/vegetables (AOR for highest versus lowest quintile = 1.07, 95%CI = 1.02, 1.12; P[subscript trend] = 0.011). In contrast, the cheese/brown bread dietary factor was protective against AS in women (AOR for highest versus lowest quintile = 0.88, 95%CI = 0.82, 0.94; P[subscript trend] < 0.001). Conclusions: Generally, diets marked by greater intakes of meats, poultry, and seafood were associated with diagnosed AS and AS/HF. Taken together, these findings suggest that adherence to a more meat-based diet may pose risk for AS and AS/HF in Australian adults. en_US
dc.language.iso en_US en_US
dc.relation.uri http://doi.org/10.1186/1475-2891-11-84 en_US
dc.rights This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).
dc.rights.uri https://rightsstatements.org/page/InC/1.0/
dc.subject Asthma en_US
dc.subject Hayfever en_US
dc.subject Airway health en_US
dc.subject Diet en_US
dc.subject Western diet en_US
dc.subject Meat en_US
dc.subject Adult en_US
dc.subject Older adults en_US
dc.title Dietary factors associated with lifetime asthma or hayfever diagnosis in Australian middle-aged and older adults: a cross-sectional study en_US
dc.type Text en_US
dc.date.published 2012 en_US
dc.citation.doi 10.1186/1475-2891-11-84 en_US
dc.citation.issue 84 en_US
dc.citation.jtitle Nutrition Journal en_US
dc.citation.volume 11 en_US
dc.contributor.authoreid ricardo en_US
dc.contributor.authoreid sararose en_US


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