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| Baseline survey of sodium,potassium and blood pressure of adult inhabitants in Liandu District |
| MEI Shao-lin*, YANG Yan-ping, LIU Xiao-hong, ZHU Jian-liang, HU Zhi-yong, CHEN Xiang-yu, DU Xiao-fu
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| * Lishui Center for Disease Control and Prevention,Lishui,Zhejiang 323000,China |
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Abstract Objective To investigate the sodium,potassium and blood pressure of adult residents in Liandu District of Lishui,and to provide evidence for salt reduction intervention.Methods A stratified random sampling method was used to select residents aged 18 to 69 years in Liandu District from December 2016 to February 2017. A questionnaire survey and physical examination were conducted to collect basic information. The 24-hour urine samples were collected to detect sodium and potassium intake.Results Among 300 participants,the average daily intake of sodium was（10.59±3.90）g,which was higher in men than in women [（11.11±4.33）g vs.（10.08±3.37）g,P<0.05]. There were 274 participants with average daily intake of sodium more than 6 g,accounting for 91.33%. The average daily intake of potassium was（1.67±0.71）g,which was higher in women than in men [（1.77±0.72）g vs.（1.57±0.68）g,P<0.05]. The average daily intakes of potassium were significantly different among different age groups,with participants aged 20 to 29 years the lowest（P<0.05）. There were 217 participants with average daily intake of potassium less than 2 g,accounting for 72.33%. The ratio of sodium to potassium was 4.7±2.2,which was higher in men than in women（5.3±2.7 vs. 4.1±1.4,P<0.05）and decreased with age（P<0.05）. There were 291 participants with the ratio more than 1.87,accounting for 97.00%. The prevalence of hypertension was 31.67%,which was 33.65% in men and 29.80% in women.Conclusion The residents in Liandu District have high intake of sodium and prevalence of hypertension,yet low intake of potassium.
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Received: 08 January 2019
Revised: 16 April 2019
Published: 02 July 2019
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