{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T04:04:46Z","timestamp":1772165086901,"version":"3.50.1"},"reference-count":60,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Infect Dis (Auckl)"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:sec><jats:title>Objective:<\/jats:title><jats:p> Diminution in body weight is a known risk factor that increases the burden of active tuberculosis (TB). However, conflicting evidence exists for the effect of body weight on the risk of latent tuberculosis infection (LTBI). The objective of the present study is to examine the prevalence of LTBI at different body weights, evaluate the extent of association between body mass index (BMI) and LTBI and identify factors mediating this relationship in an adult population. <\/jats:p><\/jats:sec><jats:sec><jats:title>Methods:<\/jats:title><jats:p> We conducted a cross-sectional study to estimate the relationship between BMI and LTBI in participants from the US-National Health and Nutrition Examination Survey (NHANES; 2012, n\u2009=\u20095156; 514 with LTBI and 4642 controls). <\/jats:p><\/jats:sec><jats:sec><jats:title>Results:<\/jats:title><jats:p> The association between BMI and levels of cardiometabolic risk markers in both LTBI and control groups had a similar profile. When adjusted for age and sex, BMI was significantly inversely correlated with the prevalence of LTBI ( r\u2009=\u2009\u22120.147, P\u2009&lt;\u2009.001). Effect of BMI on the risk of LTBI was evaluated using multivariate logistic regression models adjusted for age, sex, diabetes, and level of education. In this model, increasing BMI was significantly associated with lower risk of LTBI (OR\u2009=\u20090.85; 95%CI: 0.77-0.96, P\u2009&lt;\u2009.01). <\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion:<\/jats:title><jats:p> This study further establishes an inverse relationship between BMI and prevalence of LTBI. Decreased BMI can be considered as a risk factor in LTBI, the reservoir for active TB cases. <\/jats:p><\/jats:sec>","DOI":"10.1177\/1178633721994607","type":"journal-article","created":{"date-parts":[[2021,2,25]],"date-time":"2021-02-25T02:49:38Z","timestamp":1614221378000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":13,"title":["Obesity and Prevalence of Latent Tuberculosis: A Population-Based Survey"],"prefix":"10.1177","volume":"14","author":[{"given":"Alaa","family":"Badawi","sequence":"first","affiliation":[{"name":"Public Health Risk Sciences Division, Public Health Agency of Canada, Toronto, ON, Canada"},{"name":"Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, ON, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9375-1361","authenticated-orcid":false,"given":"Christina J","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Pharmacology and Toxicology, Faculty of Medicine, University of Toronto, ON, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2021,2,24]]},"reference":[{"key":"bibr1-1178633721994607","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(18)30625-X"},{"key":"bibr2-1178633721994607","unstructured":"World Health Organization (WHO). 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