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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Local drifts, longitudinal age curves, estimated relative risk (RR) for period and cohort, and corresponding 95%CI for both sexes in China. (A) Local drifts for both sexes; (B) longitudinal age curve; (C) period RR; (D) cohort RR.