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Replication data and code for: Cross-sectional association of Toxoplasma gondii exposure with BMI and diet in US adults


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dc.creatorCuffey, Joel
dc.creatorLepczyk, Christopher
dc.creatorZhao, Shuoli
dc.creatorFountain-Jones, Nicholas
dc.date.accessioned2021-09-24T21:47:38Z
dc.date.available2021-09-24T21:47:38Z
dc.date.created2021
dc.identifier10.1371/journal.pntd.0009825
dc.identifier.urihttps://aurora.auburn.edu/handle/11200/50010
dc.identifier.urihttp://dx.doi.org/10.35099/aurora-80
dc.identifier.urihttps://journals.plos.org/plosntds/article?id=10.1371/journal.pntd.0009825
dc.description.abstractToxoplasmosis gondii exposure has been linked to increased impulsivity and risky behaviors, which has implications for eating behavior. Impulsivity and risk tolerance is known to be related with worse diets and a higher chance of obesity. There is little known, however, about the independent link between Toxoplasma gondii (T. gondii) exposure and diet-related outcomes. Using linear and quantile regression, we estimated the relationship between T. gondii exposure and BMI, total energy intake (kcal), and diet quality as measured by the Health Eating Index-2015 (HEI) among 9,853 adults from the 2009-2014 National Health and Nutrition Examination Survey. Previous studies have shown different behavioral responses to T. gondii infection among males and females, and socioeconomic factors are also likely to be important as both T. gondii and poor diet are more prevalent among U.S. populations in poverty. We therefore measured the associations between T. gondii and diet-related outcomes separately for men and women and for respondents in poverty. Among females <200% of the federal poverty level Toxoplasmosis gondii exposure was associated with a higher BMI by 2.0 units (95% CI [0.22, 3.83]) at median BMI and a lower HEI by 5.05 units (95% CI [-7.87, -2.24]) at the 25th percentile of HEI. Stronger associations were found at higher levels of BMI and worse diet quality among females. No associations were found among males. Through a detailed investigation of mechanisms, we were able to rule out T. gondii exposure from cat ownership, differing amounts of meat, and drinking water source as potential confounding factors; environmental exposure to T. gondii as well as changes in human behavior due to parasitic infection remain primary mechanisms.en_US
dc.publisherPLOSen_US
dc.relation.ispartofPLOS Neglected Tropical Diseasesen_US
dc.relation.ispartofseries1935-2727en_US
dc.rightsCC-BYen_US
dc.subjectToxoplasmosisen_US
dc.subjectObesityen_US
dc.titleReplication data and code for: Cross-sectional association of Toxoplasma gondii exposure with BMI and diet in US adultsen_US
dc.typeDataseten_US
dc.type.genreDataseten_US
dc.citation.volume15
dc.citation.issue10
dc.citation.spagee0009825
dc.description.peerreviewyesen_US
dc.locationSan Franciscoen_US
dc.creator.orcid0000-0002-2481-272Xen_US

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