中华流行病学杂志最新文献

{"title":"[Etiological characteristics of <i>Brucella melitensis</i> in Henan Province, 2013-2022].","authors":"J Y Zhao, W R Song, B F Zhang, Y X Hu, Y F Li, J J Pan, H F Wang, W S Guo, X Y Huang, Y Ye","doi":"10.3760/cma.j.cn112338-20240507-00244","DOIUrl":"https://doi.org/10.3760/cma.j.cn112338-20240507-00244","url":null,"abstract":"<p><p><b>Objective:</b> To analyze the genus, drug resistance/virulence and phylogenetic characteristics of <i>Brucella</i> strains isolated from brucellosis surveillance sentinels in Henan Province from 2013 to 2022, and provide baseline data for the surveillance, early warning and outbreak tracing of brucellosis. <b>Methods:</b> Blood samples were collected from patients with <i>Brucella</i> infection for strain isolation, culture and species identification, drug susceptibility test, whole genome sequencing, splicing and assembly, functional/virulence/resistance gene prediction analysis and phylogenetic tree drawing based on single nucleotide polymorphism (SNP). <b>Results:</b> In 36 brucellosis patients, the majority were men (86.11%, 31/36), young adults aged 18-50 (88.89%, 32/36) and farmers/herdsmen (72.22%, 26/36). A total of 36 strains of <i>Brucella melitensis</i> were isolated, and average 1 305 functional proteins of 21 categories were predicted by strain genome; all the strains carried four main virulence factors (pmm, VirB group, BtpA/BtpB, BvrS/BvrR). The drug sensitivity rate was 100.00% to six types of antibiotics including levofloxacin, rifampicin, doxycycline, streptomycin, tetracycline and gentamicin, they showed different resistances to three antibiotics including compound trimethoprim-sulfamethoxazole, ciprofloxacin and ampicillin. The strains carried four types of resistance genes and two clusters of resistance genes, with four combinations of genotypes, the resistance mechanisms included antibiotic degradation/modification enzymes, resistant nodular cell differentiation (RND) efflux pumps, 16S/23S ribosomal rRNA binding site mutations, <i>etc</i>. The number of SNP differed in the genomes of 36 <i>Brucella</i> <i>melitensis</i> strains ranged from 0 to 454 and phylogenetic tree was divided into three major branches, with relative branch distances between 0.000 0 and 0.498 6 for each strain. <b>Conclusions:</b> Human <i>Brucella</i> <i>melitensis</i> strains isolated from surveillance sentinels in Henan from 2013 to 2022 carried multiple virulence and antibiotic resistance genes and had different drug resistance phenotypes. Single nucleotide polymorphism analysis and phylogenetic tree analysis showed significant differences in phylogenetic relationships among different strains.</p>","PeriodicalId":23968,"journal":{"name":"中华流行病学杂志","volume":"45 11","pages":"1559-1565"},"PeriodicalIF":0.0,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142781200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Construction of data source indicator system for acute respiratory infectious disease surveillance based on the Delphi method].","authors":"Y Y Wang, D Z Huo, Z J Li, C C Ye, L P Hao, W Z Yang","doi":"10.3760/cma.j.cn112338-20240625-00372","DOIUrl":"https://doi.org/10.3760/cma.j.cn112338-20240625-00372","url":null,"abstract":"<p><p><b>Objective:</b> To establish an indicator system for surveillance of data sources to provide a theoretical basis for respiratory infectious disease surveillance and early warning. <b>Methods:</b> Indicators for data sources in the surveillance of acute respiratory infectious diseases were initially compiled through a literature search. Subsequently, two rounds of expert consultations were conducted with 22 experts using the Delphi method to refine the indicators. <b>Results:</b> The questionnaire recovery rates for the two rounds of expert consultation were 100.00% and 86.36%, respectively. The authority coefficient of the experts was 0.83. The coordination coefficient of the second round of Delphi expert consultation was 0.32, and the coefficient of variation of each indicator was less than 0.25. Finally, the indicators system of data source for the surveillance of acute respiratory infectious diseases includes 4 first-level indicators, 10 second-level indicators, and 26 third-level indicators. <b>Conclusion:</b> The indicator system of data sources for the surveillance of acute respiratory infectious diseases constructed in this study is reasonable and reliable, providing a valuable reference for surveillance, early warning and policy formulation of acute respiratory infectious diseases.</p>","PeriodicalId":23968,"journal":{"name":"中华流行病学杂志","volume":"45 11","pages":"1605-1610"},"PeriodicalIF":0.0,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142781187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Current and predicted disease burden in middle aged and elderly population aged 55 years and above in Shenzhen, 2016-2030].","authors":"J Y Xi, R Q Ming, Y J Wang, Y B Fu, Z Zhang, J Zhang, J J Bai, Y N Xiang, X Lin, J Gu, Y T Hao, G Liu","doi":"10.3760/cma.j.cn112338-20240606-00334","DOIUrl":"https://doi.org/10.3760/cma.j.cn112338-20240606-00334","url":null,"abstract":"<p><p><b>Objective:</b> To analyze the disease burden in middle-aged and elderly population aged ≥55 in Shenzhen from 2016 to 2030 and provide evidence for the development of healthy aging strategies. <b>Methods:</b> The years of life lost (YLL), years lost due to disability (YLD), and the disability-adjusted life year (DALY) in this population from 2016 to 2022 were calculated. Joinpoint log-linear regression model was used to analyze the time trend. Bayesian age-period-cohort model and grey system model were used to predict YLL, YLD, and DALY in this population in 2030. <b>Results:</b> From 2016 to 2022, the crude DALY rate showed a transient fluctuation in age group 55-74 years, but a pronounced increase in age group ≥85 years. The proportions of YLL and YLD due to non-communicable diseases in all age groups was considerably higher than those due to communicable and nutritional diseases and injuries. In 2022, in all age groups, the YLL due to neoplasms (55-74 years old) and cardiovascular disease (≥75 years old) ranked first, and the YLD due to musculoskeletal disorder ranked first. By 2030, the causes of YLL and YLD ranking first in each age group would be remained, while the ranks of some causes would increase. <b>Conclusions:</b> The age specific characteristics of current and predicted disease burden differed in individuals aged ≥55 years. Therefore, it is necessary to allocate social and medical resources according to the disease burden pattern.</p>","PeriodicalId":23968,"journal":{"name":"中华流行病学杂志","volume":"45 11","pages":"1550-1558"},"PeriodicalIF":0.0,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142781189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Epidemiological and clinical characteristics of respiratory syncytial virus infections in children in Jiangsu Province, 2014-2023].","authors":"W X Gu, K Xu, S J Wang, F Deng, Q G Dai, X Zou, Q X Shang, L L Chen, Y Xia, W J Dai, J Zha, S N Ding, M He, C C Bao","doi":"10.3760/cma.j.cn112338-20240508-00251","DOIUrl":"https://doi.org/10.3760/cma.j.cn112338-20240508-00251","url":null,"abstract":"<p><p><b>Objective:</b> To analyze the epidemiological and clinical characteristics of respiratory syncytial virus (RSV) infection in children in Jiangsu Province from 2014 to 2023. <b>Methods:</b> The acute respiratory infection cases in children aged 0-14 years were selected from outpatient/emergency or inpatient departments in 2 surveillance sentinel hospitals, respectively, in Nanjing, Suzhou and Taizhou of Jiangsu from 1 July 2014 to 31 December 2023, and RSV nucleic acid test was conducted and the intensity of the RSV infection was accessed by WHO influenza epidemiological threshold method, and case information and clinical data were collected. <i>χ</i>² test was used to compare the differences between groups, and the Bonferroni method was used for pairwise comparisons between groups. <b>Results:</b> In 4 946 cases of acute respiratory infections, the RSV positive rate was 8.21% (406/4 946), and the age <i>M</i>(<i>Q</i>₁,<i>Q</i>₃) of the cases was 1 (0, 3) years. The RSV positive rate was 10.92% (258/2 362) during 2014-2019 and 6.06% (118/1 948) during 2019-2023, the difference was significant (<i>χ</i>²=31.74, <i>P</i><0.001). RSV infection mainly occurred from October to March during 2014-2019, with the incidence peak in December and moderate or higher intensity. The seasonality of RSV infection was not obvious during 2019-2023, with low intensity. The RSV positive rate was highest in children in age group 0- years (17.85%, 151/846), and the positive rate declined gradually with age (<i>χ</i>²=184.51, <i>P</i><0.001). The RSV positive rate was higher in inpatient cases (9.84%, 244/2 480) than in outpatient/emergency cases (6.57%, 162/2 466) (<i>χ</i>²=17.54, <i>P</i><0.001). In the 155 RSV infection cases with complete clinical data, the clinical symptoms mainly included cough (99.35%, 154/155), fever (55.48%, 86/155), and shortness of breath (45.16%, 70/155). In the cases aged <6 months, the proportion of those with fever was low, but the proportion of those with shortness of breath, transferred to intensive care units, and receiving oxygen therapy were higher (all <i>P</i><0.05). Children aged <6 months and those with underlying diseases were more likely to have severe RSV infection (all <i>P</i><0.05). <b>Conclusions:</b> RSV infection in children in Jiangsu Province showed seasonal prevalence in winter from 2014 to 2019. Since 2020, the seasonal characteristics of the epidemic have changed, the epidemic period has been dispersed and the epidemic intensity has decreased. Infants <1 year old were at high risk for RSV infection, and those <6 months old and with underlying diseases might have severe infection.</p>","PeriodicalId":23968,"journal":{"name":"中华流行病学杂志","volume":"45 11","pages":"1537-1543"},"PeriodicalIF":0.0,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142781191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Characteristics of fat mass distribution in children aged 3-17 years in China].","authors":"P P Xu, X H Pang, W Cao, W H Zhao, Z Y Yang, Y Y Wang, T Xu, B W Chen, J Xu, Q Zhang","doi":"10.3760/cma.j.cn112338-20240511-00262","DOIUrl":"https://doi.org/10.3760/cma.j.cn112338-20240511-00262","url":null,"abstract":"<p><p><b>Objective:</b> To describe the distribution of fat mass (FM), fat mass percentage (FMP), and fat mass index (FMI) in children aged 3-17 years in China. <b>Methods:</b> Data of this study were from the National Nutrition and Health Systematic Survey in 0-18 years old children in China. A total of 70 853 children aged 3-17 years old selected from seven regions of China were included in this analysis. Body composition were measured by using bioelectrical impedance meter. The region, gender and age specific FM, FMP and FMI of the subjects were described by using <i>M</i> (<i>Q</i>₁,<i>Q</i>₃). Kruskal-Wallis <i>H</i> rank sum test was used for the comparison of intergroup differences. DSCF method was used for pairwise comparisons. <b>Results:</b> The medians of FM, FMP and FMI were 3.0 kg, 18.3% and 2.9 kg/m² in boys aged 3 years and 2.9 kg, 19.0% and 2.9 kg/m² in girls aged 3 years, respectively. The FM increased with age and the FMP and FMI decreased with age in both boys and girls aged 3-5 years. After 11 years old, the FM, FMP and FMI decreased first and then increased in boys. From 6-17 years old, the FM, FMP and FMI increased gradually in girls. The FM, FMP and FMI were higher in girls than in boys after 12 years old (all <i>P</i><0.05). The FM, FMP and FMI were relatively higher in children at the age of 6-14 in northeastern and northern China than in other regions. <b>Conclusions:</b> The age specific FM, FMP and FMI had different changing characteristics in boys and girls aged 3-17 years in seven regions of China. The FM, FMP and FMI also differed with region.</p>","PeriodicalId":23968,"journal":{"name":"中华流行病学杂志","volume":"45 11","pages":"1494-1500"},"PeriodicalIF":0.0,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142781173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[An integrated curriculum for epidemiology and medical statistics teaching in undergraduate students majoring in clinical medicine: lesson learned from teaching reform].","authors":"Y J Pang, X Cong, C X Liao, W J Gao, C Q Yu, J Lyu, T Wu, S Y Zhan, L M Li","doi":"10.3760/cma.j.cn112338-20240626-00380","DOIUrl":"https://doi.org/10.3760/cma.j.cn112338-20240626-00380","url":null,"abstract":"<p><p>Epidemiology and medical statistics are essential courses for undergraduate students majoring in clinical medicine. By studying the two courses, they can obtain the core skills for their future clinical practice. High-level medical schools both at home and abroad have accumulated successful experiences in curriculum, teaching methods and teaching models of the two disciplines. These colleges have also carried out the exploration of the curriculum reform centering on \"organ systems integration\". This paper summarizes the current status of epidemiology and medical statistics teaching and curriculum integration in representative medical schools both at home and abroad, and puts forward suggestions for deepening teaching reform and optimizing the curriculum system to provide reference for the integration of epidemiology and medical statistics curriculums for undergraduate students majoring in clinical medicine in China.</p>","PeriodicalId":23968,"journal":{"name":"中华流行病学杂志","volume":"45 11","pages":"1598-1604"},"PeriodicalIF":0.0,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142781155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Prevalence and 5-year mortality of dementia and association with geriatric syndromes in elderly population in Beijing].","authors":"S M Hu, F Li, S C Guan, C X Wang, X W Song, H J Liu, J H Ma, Y Zhao, C X Liu, H H Li, Y L Zhang, J Wu, X H Fang","doi":"10.3760/cma.j.cn112338-20240514-00273","DOIUrl":"https://doi.org/10.3760/cma.j.cn112338-20240514-00273","url":null,"abstract":"<p><p><b>Objective:</b> To investigate the prevalence and mortality of dementia and assess the impact of geriatric syndromes (GS) on the risk for dementia and death in elderly population in Beijing. <b>Methods:</b> A cross-sectional survey was conducted in the elderly population aged ≥65 years and selected by a multi-stage sampling in Beijing during 2013-2015. Cognitive function was screened using the Chinese Revised Version of the Mini-Mental State Examination (MMSE). Then, neurological examination and psychiatric assessment were performed for those with the MMSE score lower than the cut-off value. The information about GS prevalence was also collected. The study also collected death records for all individuals from baseline until December 31, 2019. Based on the age and gender distribution from Beijing data of the 2010 Six^th National Population Census, the dementia prevalence in the study population was directly standardized. Logistic regression analysis was used to evaluate the association of different forms of dementia with GS, and Cox proportional hazards regression model was used to estimate the hazard ratio (<i>HR</i>) and 95%<i>CI</i> of death. <b>Results:</b> During 2013-2015, a total of 2 935 individuals completed dementia assessments, of which 167 were diagnosed with dementia. The standardized prevalence of dementia was 5.9% (95%<i>CI</i>: 5.0%-17.4%). The individuals with Alzheimer's disease (AD) and vascular dementia (VaD) accounted for 58.7% and 28.1% of total individuals with dementia, respectively. Aging, lower education level, urinary incontinence, and fall were risk factors for AD, while disability of activity of daily life dependence, hypertension, and stroke were found to be risk factors for VaD. After a median follow-up of 5.44 person-years, 399 deaths were recorded. The 5-year mortality risk was 2.87 (95%<i>CI</i>: 1.92-4.17) times and 4.93 (95%<i>CI</i>: 3.23-7.53) times higher for the elderly individuals with AD and VaD, respectively, compared to non-demented individuals. After adjusting for demographic, GS, and cardiovascular risk factors, the mortality risk in the elderly individuals with AD showed no significant difference compared with non-demented individuals (<i>HR</i>=1.32, 95%<i>CI</i>: 0.89-1.97), while the mortality risk in those with VaD was 2.46 (95%<i>CI</i>: 1.49-4.05) times higher than that in non-demented individuals. <b>Conclusions:</b> The prevalence of dementia in Beijing increased significantly in the context of population aging, especially the prevalence of AD. The presence of GS increased the risks for AD and VaD, as well as the risk for death. Close attention needs to be paid to GS management in dementia prevention in elderly population.</p>","PeriodicalId":23968,"journal":{"name":"中华流行病学杂志","volume":"45 11","pages":"1573-1581"},"PeriodicalIF":0.0,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142781176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Consistency between bioelectrical impedance analysis and dual-energy X-ray absorptiometry in body composition measurement in children aged 6-17 years in China].","authors":"R H Luo, L P Shen, Q Zhang, W Cao, H L Wang, P P Xu, Z Y Yang, Q Gan, X H Pang, T Xu, B W Chen, Y Y Wang, W H Zhao","doi":"10.3760/cma.j.cn112338-20240530-00316","DOIUrl":"https://doi.org/10.3760/cma.j.cn112338-20240530-00316","url":null,"abstract":"<p><p><b>Objective:</b> To evaluate the consistency between bioelectrical impedance analysis (BIA) and dual-energy X-ray absorptiometry (DXA) in the measurement of body composition in children aged 6-17 years in China. <b>Methods:</b> Fat-free mass, fat mass and fat mass percentage were measured by both BIA and DXA in 1 161 children. <i>t</i>-test or Wilcoxon paired test was used to evaluate the different outcome of the two methods. The correlation and consistency between the methods were evaluated by Spearman correlation coefficients (<i>r</i>) and Bland-Altman analysis. <b>Results:</b> Body compositions measured by BIA was positively correlated with those measured by DXA (fat mass <i>r</i>=0.95, fat-free mass <i>r</i>=0.98, fat mass percentage <i>r</i>=0.86, all <i>P</i><0.05). Comparing with DXA, BIA underestimate children's fat mass [the mean difference is -3.15 kg, and the <i>SD</i> is 2.35 kg, 95% limits of agreement (LoA): -7.74-1.45 kg] and fat mass percentage (the mean difference is -8.45%, and the <i>SD</i> is 4.63%, 95% LoA: -17.53%-0.64%). <b>Conclusions:</b> Body compositions measured by BIA was highly positively correlated with those measured by DXA. BIA has certain application value in the measurement of body fat mass and fat-free mass of children aged 6-17 years.</p>","PeriodicalId":23968,"journal":{"name":"中华流行病学杂志","volume":"45 11","pages":"1507-1512"},"PeriodicalIF":0.0,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142781185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Paying attention to body composition characteristics of children in China].","authors":"W H Zhao","doi":"10.3760/cma.j.cn112338-20240912-00571","DOIUrl":"https://doi.org/10.3760/cma.j.cn112338-20240912-00571","url":null,"abstract":"<p><p>Human body composition can be divided into adipose tissue and non-adipose tissue. The content and composition ratio of body composition, which are influenced by multiple factors, such as age, gender, growth and development, dietary nutrition, physical activity and disease, can be used to reflect the nutritional and health status of human body. The body composition of children and adolescents shows more obvious characteristics of changing with their growth and development. Scientific evaluation of the body composition characteristics of children and adolescents, and the level and relative position of individual body composition in the whole population in China is of great significance for the understanding of one's nutritional status, prevention and control of overweight and obesity, and evaluation of long-term health risks. Bioelectrical impedance method has many advantages in the measurement of body composition, such as safety, non-invasiveness, easy operation and stable and reliable results. Moreover, it is suitable for the measurement of body composition of children and adolescents.</p>","PeriodicalId":23968,"journal":{"name":"中华流行病学杂志","volume":"45 11","pages":"1477-1479"},"PeriodicalIF":0.0,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142781230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Characteristics of body height, body weight and body mass index distributions in children aged 3-17 years in China].","authors":"W Cao, P P Xu, T T Yang, X H Pang, Z Y Yang, Y Y Wang, T Xu, B W Chen, W H Zhao, Q Zhang, Y N He","doi":"10.3760/cma.j.cn112338-20240513-00268","DOIUrl":"https://doi.org/10.3760/cma.j.cn112338-20240513-00268","url":null,"abstract":"<p><p><b>Objective:</b> To investigate the distribution characteristics of body height, body weight and body mass index (BMI) in children aged 3-17 years in China. <b>Methods:</b> Data were obtained from the National Nutrition and Health Systematic Survey in 0-18 years old children in China. The study selected 70 853 children aged 3-17 years from 28 urban and rural survey sites in 14 provinces (autonomous regions and municipalities) in 7 regions of China with multi-stage stratified cluster random sampling. <i>M</i> (<i>Q</i>₁, <i>Q</i>₃) was used to describe the region, age and gender specific body height, body weight and BMI in the children aged 3-17 years. Wilcoxon rank sum test was used to compare the body height, body weight, and BMI between boys and girls in same age group. Kruskal-Wallis <i>H</i> rank sum test was used to compare the body height, body weight and BMI among boys in different age groups and among girls in different age groups, as well as among boys in same age group and among girls in same age group from different regions, and DSCF method was used for further pairwise comparisons. <b>Results:</b> In this study, the median body height and body weight were 172.0 cm and 62.9 kg in 17-year-old boys and 160.0 cm and 53.7 kg in 17-year-old girls. The median for children's body height, body weight, and BMI in most age groups were higher in northeastern and northern China than in southern China, and the differences could be observed until age 17 years. The differences in body weight and BMI in children in northeastern and northern China were greater in <i>Q</i>₃ than in <i>Q</i>₁ compared with southern China. <b>Conclusions:</b> The body height of children aged 3-17 years continues to increase in China. Northeastern and northern China have more children with higher bodyweight, showing an obvious body weight increase trend, to which close attention needs to be paid.</p>","PeriodicalId":23968,"journal":{"name":"中华流行病学杂志","volume":"45 11","pages":"1487-1493"},"PeriodicalIF":0.0,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142781170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}