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The mean age was 14.3\u2009\u00b1\u20092.5\u00a0years, with a range from 7 to 17\u00a0years, and 3497 (50.1%) participants were female. FD was prevalent in 209 (3.0%) of the Chinese child population studied. Age (OR\u2009=\u20091.112,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.006), living independent of parents (OR\u2009=\u20091.677,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.001), prolonged school meals (OR\u2009=\u20092.107,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.001), never eat breakfast (OR\u2009=\u20092.192,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.003), often\/daily eat cold foods (OR\u2009=\u20092.296,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.002; OR\u2009=\u20092.736,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.011), and often eat pickled foods (OR\u2009=\u20092.390,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.001) were found to be independent risk factors for FD. A nomogram with these risk factors had good discrimination (AUC\u2009=\u20090.727) and calibration (Hosmer\u2013Lemeshow test was 0.851).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Age, living independent of parents, prolonged school meals, never eat breakfast, often\/daily eat cold foods and often eat pickled foods were independent risk factors for FD. The nomogram could be used as a quick screening tool to assess FD in Chinese children.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12876-021-01800-x","type":"journal-article","created":{"date-parts":[[2021,5,12]],"date-time":"2021-05-12T04:03:47Z","timestamp":1620792227000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Risk factors associated with functional dyspepsia in Chinese children: a cross-sectional study"],"prefix":"10.1186","volume":"21","author":[{"given":"Zhongcao","family":"Wei","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xing","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin","family":"Xing","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lei","family":"Dong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jinhai","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bin","family":"Qin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,5,12]]},"reference":[{"issue":"19","key":"1800_CR1","doi-asserted-by":"publisher","first-page":"1853","DOI":"10.1056\/NEJMra1501505","volume":"373","author":"NJ Talley","year":"2015","unstructured":"Talley NJ, Ford AC. 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