Age-period-cohort analysis of the incidence of hepatitis B among children aged under 10 years in Zhejiang Province from 2004 to 2020
LI Fudong1,2, HE Fan2,3, HE Hanqing2,4, ZHANG Tao4, GU Xue4, YU Min2,4
1. Department of Communicable Disease Control and Prevention, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang 310051, China; 2. Zhejiang Key Lab of Vaccine, Infectious Disease Prevention and Control, Hangzhou, Zhejiang 310051, China; 3. Disease Control and Prevention Administration of Zhejiang Province, Hangzhou, Zhejiang 310006, China; 4. Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang 310051, China
Abstract：Objective To investigate the trend of hepatitis B incidence among children under 10 years in Zhejiang Province from 2004 to 2020 with age, period and birth cohort, so as to provide the basis for evaluating the implementation of hepatitis B prevention and control measures for children in Zhejiang Province. Methods Data of hepatitis B incidence among children under 10 years in Zhejiang Province from 2004 to 2020 were collected through the Infectious Disease Reporting Information System of Chinese Disease Prevention and Control Information System. The trend in hepatitis B incidence was analyzed using an age-period-cohort model. Results The incidence of hepatitis B among children under 10 years in Zhejiang Province decreased from 12.91/105 in 2004 to 0.61/105 in 2020, with a reduction of 95.24%. The incidence showed an decreasing trend with the increase of age. Compared with 2012, the risk of hepatitis B incidence among children under 10 years appeared a tendency towards a decline with time, with the period rate ratio decreased from 4.546 (95%CI: 3.322-6.220) in 2004 to 0.277 (95%CI: 0.161-0.478) in 2020. Compared with the 2008 cohort, the risk of hepatitis B incidence appeared a tendency towards a decline with cohort, with the cohort rate ratio decreased from 25.535 (95%CI: 15.105-43.166) in 1995 to 0.135 (95%CI: 0.038-0.475) in 2020. Conclusions The incidence of hepatitis B among children aged under 10 years in Zhejiang Province from 2004 to 2020 showed a downward trend. The risk of hepatitis B incidence decreased with increasing age and advancing birth cohort.
李傅冬, 何凡, 何寒清, 章涛, 古雪, 俞敏. 2004—2020年浙江省10岁以下儿童乙型病毒性肝炎发病的年龄-时期-队列分析[J]. 预防医学, 2024, 36(9): 737-740.
LI Fudong, HE Fan, HE Hanqing, ZHANG Tao, GU Xue, YU Min. Age-period-cohort analysis of the incidence of hepatitis B among children aged under 10 years in Zhejiang Province from 2004 to 2020. Preventive Medicine, 2024, 36(9): 737-740.
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