Prevalence of hypertension based on three separate visits among primaryand middle school students in Suzhou City
HAN Di1, SHEN Mingzhu2, SHI Bing3, HAI Bo1, DING Ziyao1, YIN Jieyun4, SHEN Hui1, HU Jia1
1. Department of School Health, Suzhou Center for Disease Control and Prevention, Suzhou, Jiangsu 215004, China; 2. Changshu Center for Disease Control and Prevention, Changshu, Jiangsu 215500, China; 3. Suzhou Industrial Park Center for Disease Control and Prevention, Suzhou, Jiangsu 215021, China; 4. School of Public Health, Soochow University, Suzhou, Jiangsu 215006, China
Abstract：Objective To investigate the prevalence of hypertension among primary and middle school students living in Suzhou City, Jiangsu Province, so as to provide insights into comprehensive hypertension control among children and adolescents. Methods Primary and middle school students at ages of 7 to 17 years were recruited for a questionnaire survey in Suzhou City using the stratified cluster random sampling method from September to December, 2020, and the height and body weight were measured. Blood pressure was measured at three separate clinic visits according to the national criteria Reference of Screening for Elevated Blood Pressure among Children and Adolescents Aged 7-18 Years ( WS/T 610-2018 ), and the detection of elevated blood pressure was estimated at three separate visits. In addition, factors affecting elevated blood pressure were identified. Results A total of 3 713 students were enrolled, including 1 924 boys ( 51.82% ) and 1 789 girls ( 48.18% ). The detection of elevated blood pressure was 13.63%, 5.36%, and 3.37% at three separate visits, respectively, and the prevalence of hypertension ( elevated blood pressure at all three visits ) was 3.37%. The detection rates of elevated blood pressure were all higher at three visits ( 16.90%, 8.40%, and 5.26% ) among students at ages of 12 to 17 years than among students at ages of 7 to 11 years ( 9.65%, 1.67%, and 1.07%, P<0.05 ). The detection of elevated blood pressure was significantly higher in boys ( 15.23% ) than in girls (11.91%) at the first visit ( P<0.05 ), while no significant differences were seen at the second or third visit ( P>0.05 ). In addition, higher detection rates of elevated blood pressure were seen in obese ( 27.62%, 11.51%, and 7.06% ) and overweight students ( 17.45%, 6.95%, and 4.85% ) than in students with normal weight ( 9.44%, 3.54%, and 2.15% ) at all three visits, and greater detection rates of elevated blood pressure were found in obese students than in overweight students at the first and second visits ( P<0.017 ). Conclusions The prevalence of hypertension was 3.37% based on three separate visits among primary and middle school students in Suzhou City. Measurement of blood pressure at three separate visits within different days is effective to reduce the false positive rate of hypertension and decrease misdiagnosis among children and adolescents.
韩迪, 沈明珠, 施冰, 海波, 丁子尧, 尹洁云, 沈蕙, 胡佳. 苏州市中小学生非同日3时点血压测量结果[J]. 预防医学, 2022, 34(2): 109-113.
HAN Di, SHEN Mingzhu, SHI Bing, HAI Bo, DING Ziyao, YIN Jieyun, SHEN Hui, HU Jia. Prevalence of hypertension based on three separate visits among primaryand middle school students in Suzhou City. Preventive Medicine, 2022, 34(2): 109-113.
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