【摘要】：目的 通過調(diào)查掌握浙江省居民碘營養(yǎng)水平狀況,對居民家庭鹽碘、水碘及居民尿碘進(jìn)行檢測,分析評估浙江省居民碘營養(yǎng)水平及相關(guān)的影響因素,為合理制定居民碘營養(yǎng)干預(yù)措施提供科學(xué)依據(jù),進(jìn)一步保障浙江省居民身體健康。 方法 按分層整群隨機(jī)抽樣法,抽取浙江省9個(gè)市22個(gè)縣區(qū)居民,進(jìn)行流行病學(xué)問卷調(diào)查及鹽碘、水碘、尿碘檢測。應(yīng)用SPSS17.0軟件包進(jìn)行統(tǒng)計(jì)分析,采用描述性統(tǒng)計(jì)方法分析浙江省居民碘營養(yǎng)水平,采用單因素分析采用參數(shù)t檢驗(yàn)和非參數(shù)Z檢驗(yàn)(計(jì)量資料)或χ2檢驗(yàn)(計(jì)數(shù)資料)及多因素Logistic逐步回歸模型分析尿碘水平影響因素。 結(jié)果 共調(diào)查采集鹽樣7811份,水樣品265份,共對19517人進(jìn)行尿碘檢測,其中男性8017人,女性11018人,哺乳期婦女172人,妊娠期婦女229人。 浙江省居民家庭食用鹽鹽碘中位數(shù)為28.80mg/kg,全省碘鹽覆蓋率為79.54%,合格碘鹽食用率為76.65%；浙江省居民飲用水水碘中位數(shù)為2.42μg/L,87.92%的調(diào)查地區(qū)水碘低于10μg/L;浙江省居民尿碘中位數(shù)為160.74μg/L,100μg/L者占25.92%,=300μg/L者占15.30%。各年齡段人群尿碘中位數(shù)均處于(100-199)μg/L的適宜范圍內(nèi),我省人群碘營養(yǎng)水平還是處于適宜水平的。 家庭食用鹽碘濃度低于20mg/kg人群尿碘中位數(shù)為116.20,ug/L,(20-50)mg/kg人群為174.00μg/L,而大于50mg/kg人群尿碘中位數(shù)達(dá)到了206.19μg/L,三者間差異有統(tǒng)計(jì)學(xué)意義(x2=506.93,P0.05),提示隨著鹽碘濃度的升高,尿碘水平也隨之升高。而水碘濃度小于10ug/L地區(qū)人群尿碘中位數(shù)為163.40μg/L,與水碘濃度大于10μg/L地區(qū)的169.00μg/L差別不大(Z=0.09,P0.05)。尿碘濃度隨著年齡的增加而降低,文化程度越高人群尿碘濃度越低,常吃腌制食品人群尿碘濃度較高,年齡、文化程度以及飲食習(xí)慣也是尿碘含量的相關(guān)因素。 結(jié)論 浙江省居民碘營養(yǎng)水平總體處于適宜水平,不存在碘過量問題；居民家庭食用鹽鹽碘中位數(shù)濃度與我國現(xiàn)行的合格碘鹽濃度相近；我省不存在水碘過高現(xiàn)象,其中大部分地區(qū)水碘含量都較低。
[Abstract]:Objective to investigate the status of iodine nutrition in residents of Zhejiang Province, to detect the iodine in salt, water and urine, and to analyze and evaluate the iodine nutrition level of residents in Zhejiang Province and its related influencing factors. To provide scientific basis for rational formulation of iodine nutrition intervention measures and to further protect the health of residents in Zhejiang Province. Methods according to stratified cluster random sampling, the residents of 22 counties in 9 cities of Zhejiang province were selected and tested with epidemiological questionnaire and salt iodine, water iodine and urine iodine. SPSS17.0 software package was used for statistical analysis and descriptive statistical method was used to analyze the iodine nutrition level of residents in Zhejiang Province. Single factor analysis was used to analyze the influencing factors of urinary iodine level by using parameter t test, nonparametric Z test or 蠂 2 test (count data) and multivariate Logistic stepwise regression model. Results A total of 7811 salt samples and 265 water samples were collected. A total of 19517 people were tested for urinary iodine. Among them, 8017 were male, 11018 were female, 172 were lactating women and 229 were pregnant women. The median of salt iodine was 28.80 mg / kg, the coverage rate of iodized salt was 79.54 and the consumption rate of qualified iodized salt was 76.65 mg / kg. The median of iodine in drinking water in Zhejiang Province was 2.42 渭 g / L ~ (-1) 87.92%, and in Zhejiang Province, the median of urine iodine was 160.74 渭 g / L ~ (100 渭 g / L) and 25.92 渭 g / L ~ (300 渭 g / L), 15.30%, respectively. The median of urinary iodine in all age groups was in the range of (100-199) 渭 g / L, and the level of iodine nutrition was still in the appropriate level. The concentration of salt iodine in family was lower than that in 20mg/kg group (116.20 渭 g / L), (20-50) in mg/kg group was 174.00 渭 g / L, but higher than that in 50mg/kg group (206.19 渭 g / L). The difference among the three groups was statistically significant (x20.506.93), which suggested that the level of urinary iodine increased with the increase of salt iodine concentration. However, the median of urinary iodine in 10ug/L was 163.40 渭 g / L, which was not different from that in 169.00 渭 g / L of water over 10 渭 g / L (P 0.05). The urinary iodine concentration decreased with the increase of age, the higher the education level, the lower the urinary iodine concentration, the higher the urinary iodine concentration was in the people who often ate pickled food. Age, education level and dietary habits were also the related factors of urinary iodine content. Conclusion the iodine nutrition level of residents in Zhejiang Province is generally at the appropriate level, and there is no problem of iodine excess, the median iodine concentration of salt in residents is close to the current qualified iodized salt concentration in China, and there is no phenomenon of excessive iodine in water in our province. In most of these areas, the iodine content in water is low.
【學(xué)位授予單位】：浙江大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：R151.42

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