The correlation between selenium intake and hypertension among rural eldly in Shandong Hilly Region
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摘要:
目的 调查山东丘陵地区农村老年人群硒摄入量与高血压患病情况,探讨硒摄入水平与高血压的相关性,为制定适宜的高血压防治策略提供依据。 方法 于2023年2—11月采用多阶段分层抽样的方法,在山东丘陵地区13个县(市、区)抽取≥60周岁常住居民进行问卷调查和体格检查,利用膳食摄入量调查表,对调查对象进行近1年的回顾性膳食调查,计算每日硒摄入量,根据硒摄入量五分位数分为5组并进行χ2检验,对高血压危险因素行logistic回归分析。 结果 共调查2 068人,高血压病患者1 153人,高血压患病率为55.75%,标化患病率为58.46%。5组间高血压患病率差异有统计学意义(P<0.05),按照性别、年龄、饮酒、BMI、腹型肥胖、糖尿病、每周运动量分组,不同人群高血压患病率不同(P<0.05)。Logistic回归分析显示,以硒摄入量第1五分位组作为对照,第2五分位组、第3五分位组、第4五分位组、第5五分位组OR值(95% CI)分别为0.945(0.903~1.051)、0.917(0.873~0.945)、0.891(0.854~0.939)、0.832(0.783~0.884),随着每日硒摄入量的增加,OR值呈递减趋势。 结论 硒摄入水平与老年人群高血压患病率呈负相关关系,增加硒摄入量可降低高血压的发病风险。 Abstract:Objective To investigate the selenium intake and hypertension prevalence among the elderly population in rural areas of the hilly region of Shandong Province, and to explore the correlation between selenium intake levels and hypertension, thereby providing a basis for formulating appropriate prevention and control strategies for hypertension. Methods From February to November 2023, the permanent residents aged ≥60 years old were selected in 13 counties/districts with stratified multistage cluster sampling. Questionnaires and physical examinations were conducted on the subjects. A one-year dietary questionnaire was used to compute the daily dietary intake of total selenium. They were divided into five groups according to the quintile of selenium intake and tested, The risk factors were analyzed by logistic regression. Results A total of 2 068 subjects were selected, 1 153 were detected with hypertension, the crude prevalence of hypertension was 55.75%, and the standardized prevalence rate was 58.46%. There was a significant difference in the prevalence of hypertension among the five groups (P < 0.05). According to gender, age, alcohol consumption, BMI, abdominal obesity, diabetes, and weekly exercise, the prevalence of hypertension in different populations was different(P < 0.05). The results of multivariate logistic regression analysis showed that the odds ratio (OR) of the P21-P40 group, P41-P60 group, P61-P80 group, P81-P100 group were 0.945 (0.903-1.051), 0.917 (0.873-0.945), 0.891 (0.854-0.939), 0.832(0.783-0.884) respectively compared to P1-P20 group. With the increase in daily selenium intake, the OR showed a decreasing trend. Conclusion Selenium intake is negatively correlated with the prevalence of hypertension in the elderly population. Increasing selenium intake can reduce the risk of hypertension. -
Key words:
- Selenium /
- Hypertension /
- Elderly population /
- Rural
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表 1 不同年龄与硒摄入量人群分布情况(人)
Table 1. Distribution of selenium intake across different age groups
年龄(岁) 第1五分位组(9.83~28.31 μg/d) 第2五分位组(28.32~38.75 μg/d) 第3五分位组(38.76~45.91 μg/d) 第4五分位组(45.92~56.23 μg/d) 第5五分位组(56.24~71.54 μg/d) 合计 60~ 181 183 187 185 194 930 70~ 142 144 145 151 142 724 80~ 90 87 82 79 76 414 合计 413 414 414 415 412 2 068 表 2 高血压患病影响因素的单因素分析
Table 2. Univariate analysis of factors influencing hypertension
变量 调查数 患病率(%) χ2值 P值 性别 4.162 0.041 男性 956 556(58.16) 女性 1 112 597(53.69) 年龄(岁) 7.334 0.026 60~69 930 493(53.01) 70~79 724 408(56.35) ≥80 414 252(60.87) 吸烟情况 2.901 0.089 是 623 365(58.59) 否 1 445 788(54.53) 饮酒情况 8.968 0.003 是 497 306(61.57) 否 1 571 847(53.91) BMI 13.727 0.001 BMI<24 952 492(51.68) 24≤BMI<28 744 430(57.80) 28<BMI 372 231(62.10) 腹型肥胖 9.541 0.002 是 862 515(59.74) 否 1 206 638(52.90) 糖尿病 24.356 < 0.001 是 365 246(67.39) 否 1 703 907(53.26) 每周运动时间(h) 13.029 0.001 <0.5 452 280(61.95) 0.5~1.5 643 367(57.08) >1.5 973 506(52.00) 硒摄入量(μg/d) 11.224 0.024 第1五分位组 413 252(61.02) 第2五分位组 414 240(57.97) 第3五分位组 414 233(56.28) 第4五分位组 415 219(52.77) 第5五分位组 412 209(50.73) 表 3 不同硒摄入组高血压患病率比较
Table 3. Comparison of hypertension prevalence among different selenium intake groups
组合 组1 组2 χ2值 P值 1 第1五分位组 第2五分位组 0.675 0.411 2 第1五分位组 第3五分位组 1.722 0.189 3 第1五分位组 第4五分位组 5.407 0.020 4 第1五分位组 第5五分位组 8.443 0.004 5 第2五分位组 第3五分位组 0.178 0.674 6 第2五分位组 第4五分位组 2.062 0.151 7 第2五分位组 第5五分位组 4.079 0.043 8 第3五分位组 第4五分位组 0.893 0.345 9 第3五分位组 第5五分位组 2.340 0.126 10 第4五分位组 第5五分位组 0.269 0.604 注:校正检验水准α=0.005。 表 4 高血压患病影响因素的多因素logistic回归分析
Table 4. Multivariate logistic regression analysis of factors influencing hypertension
变量 B SE Waldχ2 P值 OR值 95% CI 性别 男性 0.182 0.089 4.182 0.041 1.199 1.007~1.428 年龄(岁) 70~79 0.869 0.112 60.201 <0.001 2.386 2.827~1.834 ≥80 1.506 0.063 571.438 <0.001 4.507 3.926~5.034 吸烟情况 吸烟 0.156 0.103 2.294 0.122 1.169 0.960~1.423 饮酒情况 饮酒 0.147 0.089 2.728 0.091 1.158 0.923~1.313 BMI 24~28 0.704 0.128 30.250 <0.001 2.023 1.578~2.614 ≥28 1.338 0.083 260.497 <0.001 3.813 3.252~4.503 腹型肥胖 有 1.146 0.093 151.846 <0.001 3.144 2.587~3.722 糖尿病 有 1.266 0.086 216.706 <0.001 3.548 2.929~4.106 运动时间(h/周) 0.5~1.5 -0.081 0.019 18.175 <0.001 0.923 0.891~0.960 >1.5 -0.127 0.031 16.784 <0.001 0.881 0.832~0.936 硒摄入量(μg/d) 第2五分位组 -0.056 0.038 2.172 0.144 0.945 0.903~1.051 第3五分位组 -0.087 0.021 17.163 < 0.001 0.917 0.873~0.945 第4五分位组 -0.115 0.024 22.960 < 0.001 0.891 0.854~0.939 第5五分位组 -0.184 0.031 35.229 < 0.001 0.832 0.783~0.884 注:赋值方法如下,女性=0,男性=1;年龄60~69岁=0,70~79岁=1,≥80岁=2;不吸烟=0,吸烟=1;不饮酒=0,饮酒=1;BMI<24=0,BMI 24~28=1,BMI≥28=2;无腹型肥胖=0,腹型肥胖=1;无糖尿病=0,糖尿病=1;运动时间(h/周)<0.5=0,0.5~1.5=1,>1.5=2;硒摄入量,第1五分位组=0,第2五分位组=1,第3五分位组=2,第4五分位组=3,第5五分位组=4。各变量均以赋值为0的类别为参照组。 -
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