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摘要:
目的 调查河南农村居民的维生素D(vitamin D,VD)缺乏以及高血压流行现状,探讨VD水平与高血压患病风险之间的关联。 方法 整群抽样方法选取18~80岁河南农村居民为研究对象,采用Logistic回归计算VD与高血压患病风险之间的OR值和95%CI,并使用限制性立方样条模型拟合VD与高血压患病风险之间的剂量-反应关系。 结果 共纳入研究对象2 013人,血清25-羟基维生素D(25-hydroxy-vitamin D,25-(OH)D)平均水平为(24.50±16.18)ng/ml,其中VD缺乏者占53.95%,不足者占27.02%,只有19.03%能达到正常水平;高血压患病率为40.34%(年龄标化率30.64%)。高血压患者VD水平低于非高血压人群,且VD缺乏人群的高血压患病率(45.21%)高于VD充足人群(31.07%);相比VD充足人群,VD缺乏人群的高血压患病风险升高(OR=1.59,95%CI:1.21~2.10),血清VD水平每升高10 ng/ml,高血压患病风险下降14%,限制性立方样条模型显示VD水平与高血压患病风险存在"L"型剂量-反应关系。 结论 VD缺乏与高血压患病风险升高有关,VD水平与高血压患病风险存在"L"型剂量-反应关系。 Abstract:Objective The purpose of this study was to investigate the prevalence of vitamin D deficiency and hypertension in Henan rural residents, and to explore the association between vitamin D and risk of hypertension. Methods 2 013 Henan rural participants aged 18-80 years were recruited from a cross-sectional study. Logistic regression models and restricted cubic spline model were used to evaluate odds ratios (OR), 95% confidence intervals (95% CI) and dose-response relationship between vitamin D and risk of hypertension. Results In total population, the prevalence of hypertension was 40.34% (30.64% after age-standard), and the mean serum 25-(OH)D was (24.50 ±16.18) ng/ml, and 53.95% of all participants were presenting vitamin D deficiency. Compared with non-hypertension, a lower level of serum 25-(OH)D was observed in people with hypertension. The prevalence of hypertension was 45.21% in vitamin D deficient group which was higher than in the vitamin D sufficient group (31.07%). Compared with the vitamin D sufficient group, the risk of hypertension was increase in the vitamin D deficient group (OR=1.59, 95% CI: 1.21-2.10), and the risk of hypertension decreased by 14% for every 10 ng/ml increase in serum 25-(OH) D levels. Moreover, an L-shaped relationship was observed between 25-(OH)D concentration and risk of hypertension. Conclusion Vitamin D deficiency is associated with risk of hypertension and there is an L-shaped relationship between 25-(OH)D concentration and risk of hypertension. -
Key words:
- Vitamin D /
- Hypertension /
- Rural population
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图 1 血清25-(OH)D浓度与高血压患病风险的限制性立方样条模型分析
注:实线表示高血压OR值,虚线表示95% CI值。调整混杂因素:性别(1=男,2=女)、年龄(1=<40岁,2=40~岁,3=≥60岁)、吸烟(1=不吸,2=已戒烟,3=吸烟)、饮酒(0=否,1=是)、体力活动(1=轻度,2=中度,3=重度)、高脂饮食(0=否,1=是)、BMI(0=<18.5 kg/m2,1=18.5~ kg/m2,2=24.0~ kg/m2,3=≥28 kg/m2)。
Figure 1. Restricted cubic spline model analysis between the association of 25-(OH)D and hypertension risk
表 1 研究对象行为危险因素及VD水平分布特征[n(%)]
Table 1. Characteristics of lifeway and vitamin D level in participants[n(%)]
变量 n(%) 25-(OH) D (ng/ml) F/t值 P值 VD缺乏[n(%)] χ2值 P值 吸烟情况 1.70 0.184 4.35 0.114 不吸烟 1 394(69.25) 24.12±16.18 772(55.38) 戒烟 165(8.20) 24.28±15.75 88(55.33) 吸烟 454(22.55) 25.72±16.31 226(49.78) 饮酒 9.18 0.002 2.54 0.111 否 1 656(82.27) 26.50±17.73 907(54.77) 是 357(17.73) 24.06±15.80 179(50.14) 体力活动 0.05 0.950 1.55 0.461 轻度 791(39.29) 24.64±16.67 423(53.48) 中度 404(20.07) 24.35±16.08 229(56.68) 重度 818(40.64) 24.43±15.77 434(53.06) 高脂饮食 3.10 0.078 0.91 0.341 否 1 591(79.04) 24.61±16.45 867(54.49) 是 422(20.96) 24.06±15.12 219(51.90) 咸菜 36.71 < 0.001 1.06 0.304 少量/不吃 1 684(83.66) 24.87±16.81 917(54.45) 较多 329(16.34) 22.59±12.33 169(51.73) 表 2 研究对象高血压患病现况[n(%)]
Table 2. The prevalence of hypertension in participants[n(%)]
变量 非高血压(n=1 201) 高血压(n=812) χ2/Z值 P值 性别 0.69 0.407 男 555(60.66) 360(39.34) 女 646(58.83) 452(41.17) 年龄(岁) 253.24 <0.001 <40 359(87.99) 49(12.01) 40~ 520(63.34) 301(36.66) ≥60 322(41.07) 462(58.93) 职业 32.24 <0.001 务工 154(69.68) 67(30.32) 务农 884(56.38) 684(42.62) 办公人员 163(72.77) 61(27.23) 吸烟情况 28.66 <0.001 不吸烟 882(63.27) 512(36.73) 戒烟 96(58.18) 69(41.82) 吸烟 223(49.12) 231(50.88) 饮酒 0.51 0.476 否 994(60.02) 662(39.98) 是 207(57.98) 150(42.02) 文化程度 85.37 <0.001 小学及以下 434(48.44) 462(51.56) 初中 569(69.47) 250(30.53) 高中及以上 198(66.44) 100(33.56) 体力活动 34.29 <0.001 轻度 410(51.83) 381(48.17) 中度 253(62.62) 151(37.38) 重度 538(65.77) 280(34.23) 高脂饮食 15.94 <0.001 否 985(61.91) 606(38.09) 是 216(51.18) 206(48.82) 收缩压(mmHg) 116.08±12.06 142.51±16.81 74.41 <0.001 舒张压(mmHg) 74.68±8.12 86.93±10.20 40.16 <0.001 咸菜 0.80 0.370 少量/不吃 1 012(60.10) 672(39.90) 较多 189(57.45) 140(42.55) BMI(kg/m2) 24.18±3.80 26.22±3.69 0.83 0.362 WHR 0.89±0.07 0.92±0.07 5.46 0.020 FBG(mmol/L) 5.23±2.16 5.90±2.34 23.27 <0.001 TC(mmol/L) 4.36±0.98 4.66±0.98 0.02 0.890 TG(mmol/L) 1.54±1.26 1.96±1.47 20.06 <0.001 HDL-C(mmol/L) 1.24±0.30 1.23±0.30 0.01 0.924 LDL-C(mmol/L) 2.45±0.78 2.61±0.78 0.01 0.981 Ins(IU/ml) 13.71±8.00 11.89±6.41 16.48 <0.001 25-(OH)D(ng/ml) 26.13±17.53 22.09±13.60 31.41 <0.001 表 3 血清25-(OH)D水平与高血压患病风险的Logistic回归
Table 3. Logistic regression analysis of 25-(OH)D levels and risk of hypertension
血清25-(OH)D水平(ng/mL) 调整模型 未调整OR(95% CI)值 模型一OR(95% CI)值 模型二OR(95% CI)值 充足(≥30) 1.00 1.00 1.00 不足(20~) 1.41(1.01~1.73) 1.25(0.80~1.45) 1.15(0.84~1.57) 缺乏(<20) 1.84(1.45~2.35) 1.60(1.25~2.20) 1.59(1.21~2.10) 每10 ng/ml 0.84(0.79~0.89) 0.86(0.82~0.93) 0.86(0.80~0.93) 注:模型一:调整性别(1=男,2=女)、年龄(1=<40岁,2=40~岁,3=≥60岁);模型二:调整性别(1=男,2=女)、年龄(1=<40,2=40~,3=≥60)、吸烟(1=不吸,2=已戒烟,3=吸烟)、饮酒(0=否,1=是)、体力活动(1=轻度,2=中度,3=重度)、高脂饮食(0=否,1=是)和BMI(0=<18.5 kg/m2,1=18.5~ kg/m2,2=24.0~ kg/m2,3=≥28 kg/m2)。 -
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