目的 探讨孕妇孕晚期膳食酸负荷与婴儿体质指数Z评分(body mass index for age Z-score, BMIZ)轨迹的关系。方法 于2010年9月—2011年11月招募广州市468名孕晚期妇女为研究对象,孕妇分娩后随访其子代至1岁。孕妇于孕晚期完成基本情况问...目的 探讨孕妇孕晚期膳食酸负荷与婴儿体质指数Z评分(body mass index for age Z-score, BMIZ)轨迹的关系。方法 于2010年9月—2011年11月招募广州市468名孕晚期妇女为研究对象,孕妇分娩后随访其子代至1岁。孕妇于孕晚期完成基本情况问卷和连续3天24小时膳食回顾调查,于分娩后完成分娩情况及胎儿健康状况问卷调查。孕晚期膳食酸负荷采用潜在肾脏酸负荷(potential renal acid load, PRAL)、内源性酸净产生量(net endogenous acid production, NEAP)和动物蛋白与钾的比率(A∶K比率)进行计算,并根据各指标的四分位数进行分组。前瞻性追踪调查婴儿出生、1月龄、3月龄、6月龄以及1岁时的体重和身长,计算其BMIZ并采用潜类别增长模型(latent class growth model, LCGM)分析婴儿BMIZ轨迹。采用多元Logistic回归分析孕晚期膳食酸负荷与婴儿BMIZ轨迹的关系。结果 孕晚期PRAL[M(P25,P75)]为28.02(21.88,36.51)mEq/d, NEAP和A∶K比率(χ±s)为(81.58±15.41)mEq/d和22.62±6.80。膳食酸负荷与蔬菜、水果和豆类的摄入量呈显著负相关,与蛋类、禽肉、畜肉和海鲜类的摄入量呈显著正相关(P<0.01)。根据潜类别增长模型,识别出3类婴儿BMIZ轨迹组:较慢生长组(n=52)、适宜生长组(n=307)和较快生长组(n=54)。其中,较快生长组的婴儿其母亲的孕晚期NEAP低于另2个轨迹组(P<0.05)。多元Logistic回归分析显示,与最低四分位数组相比,孕晚期NEAP (OR=4.03,95%CI 1.01~16.14)和A∶K比率(OR=4.04,95%CI 1.30~12.59)处于最高四分位数组的孕妇其后代更有可能出现较慢生长轨迹。结论 孕晚期膳食酸负荷较高,尤其是NEAP和A∶K比率水平较高容易使婴儿出现较慢生长模式。展开更多
Objective The relationship between non-high-density lipoprotein(NHDL)cholesterol to high-density lipoprotein cholesterol(HDL-C)ratio(NHHR)and stoke remains unknown.This study aimed to evaluate the association between ...Objective The relationship between non-high-density lipoprotein(NHDL)cholesterol to high-density lipoprotein cholesterol(HDL-C)ratio(NHHR)and stoke remains unknown.This study aimed to evaluate the association between the adult NHHR and stroke occurrence in the United States of America(USA).Methods To clarify the relationship between the NHHR and stroke risk,this study used a multivariable logistic regression model and a restricted cubic spline(RCS)model to investigate the association between the NHHR and stroke,and data from the National Health and Nutrition Examination Survey(NHANES)from 2005 to 2018.Subgroup and sensitivity analyses were conducted to test the robustness of the results.Results This study included 29,928 adult participants,of which 1,165 participants had a history of stroke.Logistic regression analysis of variables demonstrated a positive association between NHHR and stroke(OR 1.24,95%CI:1.03-1.50,P=0.026).Compared with the lowest reference group of NHHR,participants in the second,third,and fourth quartile had a significantly increased risk of stroke after full adjustments(OR:1.35,95%CI:1.08-1.69)(OR:1.83,95%CI:1.42-2.36)(OR:2.04,95%CI:1.50-2.79).In the total population,a nonlinear dose-response relationship was observed between the NHHR and stroke risk(P non-linearity=0.002).This association remained significant in several subgroup analyses.Further investigation of the NHHR may enhance our understanding of stroke prevention and treatment.Conclusion Our findings suggest a positive correlation between the NHHR and an increased prevalence of stroke,potentially serving as a novel predictive factor for stroke.Timely intervention and management of the NHHR may effectively mitigate stroke occurrence.Prospective studies are required to validate this association and further explore the underlying biological mechanisms.展开更多
目的 探讨中国成人血清铁蛋白(serum ferritin,SF)与糖代谢相关指标(空腹血糖、空腹胰岛素、糖化血红蛋白、胰岛素抵抗指数等)的关联。方法 以2009年中国居民健康与营养调查(China Health and Nutrition Survey,CHNS)的人群为研究对象,...目的 探讨中国成人血清铁蛋白(serum ferritin,SF)与糖代谢相关指标(空腹血糖、空腹胰岛素、糖化血红蛋白、胰岛素抵抗指数等)的关联。方法 以2009年中国居民健康与营养调查(China Health and Nutrition Survey,CHNS)的人群为研究对象,研究对象按性别分层,根据SF水平的四分位数分为四组。采用Logistic回归研究SF与糖代谢相关指标的风险关联,限制性立方样条法探索其剂量反应关系。结果 本研究总共纳入了7271名研究对象,其中男性3276人,女性3995人,男性SF水平显著高于女性;在男性中,与最低SF水平组(Q1)相比,最高SF水平组(Q4)发生高血糖、糖化血红蛋白异常、胰岛素抵抗风险更高(P_(trend)<0.05),且存在线性剂量反应关联(P_(overall)<0.05,P_(nonlinear)>0.05);在女性中,与较低SF水平组(Q2)相比,最高SF水平组(Q4)发生高血糖、胰岛素抵抗、高胰岛素血症以及糖化血红蛋白异常风险更高(P_(trend)<0.05),且SF与前三个指标存在非线性剂量反应关联(P_(overall)<0.05,P_(nonlinear)<0.05),但与糖化血红蛋白异常之间存在线性剂量反应关联(P_(trend)<0.05,P_(nonlinear)>0.05)。结论 中国成年人SF水平与糖代谢相关指标之间存在剂量反应关联;对于高血糖者,建议SF应维持在现行正常范围内的较低水平。[营养学报,2025,47(3):223-227,233]展开更多
文摘Objective The relationship between non-high-density lipoprotein(NHDL)cholesterol to high-density lipoprotein cholesterol(HDL-C)ratio(NHHR)and stoke remains unknown.This study aimed to evaluate the association between the adult NHHR and stroke occurrence in the United States of America(USA).Methods To clarify the relationship between the NHHR and stroke risk,this study used a multivariable logistic regression model and a restricted cubic spline(RCS)model to investigate the association between the NHHR and stroke,and data from the National Health and Nutrition Examination Survey(NHANES)from 2005 to 2018.Subgroup and sensitivity analyses were conducted to test the robustness of the results.Results This study included 29,928 adult participants,of which 1,165 participants had a history of stroke.Logistic regression analysis of variables demonstrated a positive association between NHHR and stroke(OR 1.24,95%CI:1.03-1.50,P=0.026).Compared with the lowest reference group of NHHR,participants in the second,third,and fourth quartile had a significantly increased risk of stroke after full adjustments(OR:1.35,95%CI:1.08-1.69)(OR:1.83,95%CI:1.42-2.36)(OR:2.04,95%CI:1.50-2.79).In the total population,a nonlinear dose-response relationship was observed between the NHHR and stroke risk(P non-linearity=0.002).This association remained significant in several subgroup analyses.Further investigation of the NHHR may enhance our understanding of stroke prevention and treatment.Conclusion Our findings suggest a positive correlation between the NHHR and an increased prevalence of stroke,potentially serving as a novel predictive factor for stroke.Timely intervention and management of the NHHR may effectively mitigate stroke occurrence.Prospective studies are required to validate this association and further explore the underlying biological mechanisms.
文摘目的 探讨中国成人血清铁蛋白(serum ferritin,SF)与糖代谢相关指标(空腹血糖、空腹胰岛素、糖化血红蛋白、胰岛素抵抗指数等)的关联。方法 以2009年中国居民健康与营养调查(China Health and Nutrition Survey,CHNS)的人群为研究对象,研究对象按性别分层,根据SF水平的四分位数分为四组。采用Logistic回归研究SF与糖代谢相关指标的风险关联,限制性立方样条法探索其剂量反应关系。结果 本研究总共纳入了7271名研究对象,其中男性3276人,女性3995人,男性SF水平显著高于女性;在男性中,与最低SF水平组(Q1)相比,最高SF水平组(Q4)发生高血糖、糖化血红蛋白异常、胰岛素抵抗风险更高(P_(trend)<0.05),且存在线性剂量反应关联(P_(overall)<0.05,P_(nonlinear)>0.05);在女性中,与较低SF水平组(Q2)相比,最高SF水平组(Q4)发生高血糖、胰岛素抵抗、高胰岛素血症以及糖化血红蛋白异常风险更高(P_(trend)<0.05),且SF与前三个指标存在非线性剂量反应关联(P_(overall)<0.05,P_(nonlinear)<0.05),但与糖化血红蛋白异常之间存在线性剂量反应关联(P_(trend)<0.05,P_(nonlinear)>0.05)。结论 中国成年人SF水平与糖代谢相关指标之间存在剂量反应关联;对于高血糖者,建议SF应维持在现行正常范围内的较低水平。[营养学报,2025,47(3):223-227,233]