{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,8]],"date-time":"2026-07-08T04:19:44Z","timestamp":1783484384660,"version":"3.55.0"},"reference-count":23,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2009,12,10]],"date-time":"2009-12-10T00:00:00Z","timestamp":1260403200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2010,2,9]],"date-time":"2010-02-09T00:00:00Z","timestamp":1265673600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2009,12,10]],"date-time":"2009-12-10T00:00:00Z","timestamp":1260403200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["wiley.com"],"crossmark-restriction":true},"short-container-title":["Statistics in Medicine"],"published-print":{"date-parts":[[2010,2,28]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Increasing rates of overweight among children in the U.S. stimulated interest in obtaining national percentile curves of body size to serve as a benchmark in assessing growth development in clinical and population settings. In 2000, the U.S. Centers for Disease Control and Prevention (CDC) developed conditional percentile curves for body mass index (BMI) for ages 2\u201320 years. The 2000 CDC BMI\u2010for\u2010age curves are partially parametric and only partially incorporated the survey sample weights in the curve estimation. As a result, they may not fully reflect the underlying pattern of BMI\u2010for\u2010age in the population. This motivated us to develop a nonparametric double\u2010kernel\u2010based method and automatic bandwidth selection procedure. We include sample weights in the bandwidth selection, conduct median correction to reduce small\u2010sample smoothing bias, and rescale the bandwidth to make it scale invariant. Using this procedure we re\u2010estimate the national percentile BMI\u2010for\u2010age curves and the prevalence of high\u2010BMI children in the U.S. Copyright \u00a9 2009 John Wiley &amp; Sons, Ltd.<\/jats:p>","DOI":"10.1002\/sim.3810","type":"journal-article","created":{"date-parts":[[2009,12,10]],"date-time":"2009-12-10T13:24:08Z","timestamp":1260451448000},"page":"558-572","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Application of nonparametric quantile regression to body mass index percentile curves from survey data"],"prefix":"10.1002","volume":"29","author":[{"given":"Yan","family":"Li","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Barry I.","family":"Graubard","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edward L.","family":"Korn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2010,2,9]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1177\/15648265040251S102"},{"issue":"165","key":"e_1_2_1_3_2","article-title":"NCHS growth curves for children birth\u201418 years, United States","volume":"11","author":"Hamill PV","year":"1977","journal-title":"Vital Health Statistics"},{"issue":"246","key":"e_1_2_1_4_2","article-title":"2000 CDC growth charts for the United States: methods and development","volume":"11","author":"Kuczmarski RJ","year":"2002","journal-title":"Vital Health Statistics"},{"key":"e_1_2_1_5_2","doi-asserted-by":"publisher","DOI":"10.1093\/jn\/137.1.144"},{"key":"e_1_2_1_6_2","volume-title":"Executive Summary of NCHS Growth Chart Summary Workshop 1992","author":"Roche AF","year":"1994"},{"key":"e_1_2_1_7_2","doi-asserted-by":"crossref","first-page":"497","DOI":"10.1542\/peds.101.S2.497","article-title":"Overweight children and adolescents: description, epidemiology, and demographics","volume":"101","author":"Troiano RP","year":"1998","journal-title":"Pediatrics"},{"key":"e_1_2_1_8_2","doi-asserted-by":"publisher","DOI":"10.1080\/03014460601116860"},{"key":"e_1_2_1_9_2","volume-title":"Health, United States, 2007 with Chartbook on Trends in the Health of Americans","author":"National Center for Health Statistics","year":"2007"},{"key":"e_1_2_1_10_2","doi-asserted-by":"publisher","DOI":"10.1001\/jama.299.20.2401"},{"key":"e_1_2_1_11_2","unstructured":"OwenAB.Nonparametric conditional estimation. 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