Prevalence and correlation of vitamin D deficiency and high blood pressure in primary and middle school students in Chongqing
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摘要:
目的 了解重庆市中小学生维生素D缺乏和血压偏高现况及其相关性,为有针对性防治儿童高血压的发生发展提供参考依据。 方法 2016年10月至2017年1月,通过多阶段分层随机抽样在重庆市选择3个农村点和3个城市点共1 360名7~17岁中小学生,开展问卷调查、体格测量、血压测量和血清维生素D检测。 结果 中小学生维生素D缺乏率为9.71%,不足率为62.57%;血压偏高率为25.88%。多因素Logistic回归分析结果显示,调整了年龄、经济状况、腰围和体质量指数(BMI)分类、高血压家族史等因素后,维生素D缺乏和不足组发生高血压的风险是正常组的1.42倍,收缩压偏高的风险是正常组的1.59倍(P值均 < 0.05)。 结论 重庆市中小学生维生素D缺乏和不足、血压偏高现象较突出,需引起关注。维生素D不足和缺乏者较容易出现血压偏高。 Abstract:Objective To understand the status of vitamin D deficiency and high blood pressure in primary and middle school students aged 7 to 17 years old in Chongqing, and to explore the correlation between vitamin D deficiency and high blood pressure in children and adolescents. Methods From 2016 to 2017, a total of 1 360 primary and middle school students, aged 7 to 17 years old, were selected from three rural and three urban sites in Chongqing using multi-stage stratified random sampling. This study carried out a questionnaire survey, and participants underwent a physical examination which included blood pressure and serum vitamin D assessments. Results The deficiency and insufficiency rates of vitamin D were 9.71%, and 62.57%, respectively. The high blood pressure rate was 25.88%. Multivariate Logistic regression analysis showed that after adjusting for age, economic status, waist circumference, BMI classification, and family history of hypertension, the risk of hypertension was 1.42 times that of the normal group (P < 0.05), and the risk of high systolic blood pressure was 1.59 times that of the normal group (P < 0.05). Conclusion The deficiency and insufficiency rate of vitamin D among children and adolescents aged 7 to 17 years old in Chongqing was high, and the phenomenon of high blood pressure was prominent. Students with vitamin D deficiency and insufficiency were more likely to have high blood pressure. -
Key words:
- Vitamin D deficiency /
- Blood pressure /
- Prevalence /
- Regression analysis /
- Students
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表 1 重庆市不同组别中小学生血清维生素D缺乏和不足检出率比较
Table 1. Deficiency and severe deficiency of serum vitamin D in primary and middle school students in Chongqing
组别 选项 人数 维生素D缺乏 维生素D不足 Z值 P值 性别 男 681 47(6.90) 398(58.44) -6.19 < 0.01 女 679 85(12.52) 453(66.72) 年龄/岁 7~8 285 14(4.91) 168(58.95) 56.17 < 0.01 9~11 458 39(8.52) 259(56.55) 12~14 353 54(15.30) 245(69.41) 15~17 264 25(9.47) 179(67.80) 地区 城市 695 61(8.78) 409(58.85) -3.72 < 0.01 农村 665 71(10.68) 442(66.47) 合计 1 360 132(9.71) 851(62.57) 注:()内数字为检出率/%。 表 2 重庆市不同组别中小学生血压偏高检出率比较
Table 2. High blood pressure in primary and middle school students aged 7-17 in Chongqing
组别 选项 人数 血压偏高 收缩压偏高 舒张压偏高 性别 男 681 176(25.84) 131(19.24) 83(12.19) 女 679 176(25.92) 122(17.97) 104(15.32) 年龄/岁 7~8 285 90(31.58) 65(22.81) 45(15.79) 9~11 458 138(30.13) 104(22.71) 69(15.07) 12~14 353 74(20.96) 49(13.88) 48(13.60) 15~17 264 50(18.94) 35(13.26) 25(9.47) 地区 城市 695 138(19.86) 92(13.24) 69(9.93) 农村 665 214(32.18) 161(24.21) 118(17.74) 合计 1 360 352(25.88) 253(18.60) 187(13.75) 注:()内数字为检出率/%。 表 3 重庆市中小学生维生素D缺乏和血压偏高的二元Logistic回归分析(n=1 360)
Table 3. Binary Logistic regression analysis of Vitamin D deficiency and high blood pressure students aged 7-17 in Chongqing(n=1 360)
因变量 自变量 β值 标准误 Wald χ2值 P值 OR值(OR值95%CI) 血压 BMI 消瘦 0.10 0.27 0.14 0.71 1.11(0.66~1.87) 超重 0.70 0.26 7.15 0.01 2.01(1.21~3.36) 肥胖 1.10 0.32 11.56 < 0.01 3.01(1.59~5.67) 腰围 正常腰围高值 -0.66 0.25 6.83 0.01 0.52(0.32~0.85) 高腰围 0.05 0.30 0.03 0.86 1.05(0.59~1.88) 无高血压家族史 -0.46 0.17 6.89 0.01 0.63(0.45~0.89) 空腹血糖偏高 0.24 0.19 1.60 0.21 1.27(0.88~1.83) 年龄/岁 9~11 -0.02 0.18 0.01 0.91 0.98(0.69~1.39) 12~14 -0.68 0.20 11.62 < 0.01 0.51(0.34~0.75) 15~17 -0.79 0.22 12.59 < 0.01 0.45(0.29~0.70) 女生 0.02 0.14 0.02 0.90 1.02(0.78~1.33) 监测点经济水平 普通农村 -2.04 0.24 71.97 < 0.01 0.13(0.08~0.21) 中小城市 -1.10 0.23 23.74 < 0.01 0.33(0.21~0.52) 大城市 -1.43 0.17 67.38 < 0.01 0.24(0.17~0.34) 维生素D缺乏和不足 0.35 0.17 4.09 0.04 1.42(1.01~1.98) 收缩压 BMI 消瘦 -0.14 0.33 0.17 0.68 0.87(0.46~1.67) 超重 0.45 0.28 2.45 0.12 1.56(0.89~2.72) 肥胖 0.72 0.35 4.14 0.04 2.06(1.03~4.12) 腰围 正常腰围高值 -0.34 0.28 1.47 0.23 0.71(0.41~1.24) 高腰围 0.41 0.33 1.54 0.22 1.51(0.79~2.88) 无高血压家族史 -0.38 0.20 3.50 0.06 0.69(0.46~1.02) 空腹血糖偏高 0.18 0.21 0.76 0.38 1.20(0.80~1.80) 年龄/岁 9~11 -0.01 0.20 < 0.01 0.96 0.99(0.67~1.45) 12~14 -0.80 0.23 12.27 < 0.01 0.45(0.29~0.70) 15~17 -0.83 0.25 10.69 < 0.01 0.44(0.27~0.72) 女生 -0.12 0.15 0.57 0.45 0.89(0.66~1.21) 监测点经济水平 普通农村 -2.53 0.33 58.41 < 0.01 0.08(0.04~0.15) 中小城市 -1.99 0.32 39.36 < 0.01 0.14(0.07~0.26) 大城市 -1.32 0.19 48.72 < 0.01 0.27(0.19~0.39) 维生素D缺乏和不足 0.47 0.20 5.47 0.02 1.59(1.08~2.36) 舒张压 BMI 消瘦 0.25 0.31 0.64 0.42 1.28(0.70~2.36) 超重 0.50 0.32 2.42 0.12 1.65(0.88~3.12) 肥胖 0.33 0.38 12.06 < 0.01 3.78(1.79~8.01) 腰围 正常腰围高值 -0.91 0.34 7.11 0.01 0.40(0.21~0.79) 高腰围 -0.27 0.36 0.55 0.46 0.76(0.37~1.56) 无高血压家族史 -0.28 0.23 1.53 0.22 0.76(0.49~1.18) 空腹血糖偏高 0.06 0.24 0.07 0.80 1.06(0.67~1.70) 年龄/岁 9~11 0.06 0.22 0.07 0.79 1.06(0.69~1.64) 12~14 -0.13 0.24 0.27 0.60 0.88(0.55~1.41) 15~17 -0.52 0.28 3.44 0.06 0.59(0.34~1.03) 女生 0.34 0.17 3.95 0.05 1.40(1.01~1.95) 监测点经济水平 普通农村 -0.64 0.30 30.83 < 0.01 0.19(0.11~0.35) 中小城市 -0.40 0.25 2.58 0.11 0.67(0.41~1.09) 大城市 -1.60 0.24 45.61 < 0.01 0.20(0.13~0.32) 维生素D缺乏和不足 0.04 0.21 0.04 0.84 1.04(0.70~1.57) -
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