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1、Professor Jin BQProfessor Jin BQDepartment of Food Science & NutritionDepartment of Food Science & NutritionNJNUNJNUNutritional Status1(Human Physiological Status)Nutritional Status2Physics/PhysiologyMentality/PsychologyInfluent on the dietary behavior or eating custom,according to their religion, e
2、thnic, culture & economicsNutritional Survey & SurveillancelCollecting Data from Family and Community in InvestigationlLearning information in the society, such as lifestyle, eating hobbit, ethnic, religion, economic level, culture and social backgroundlSurveying the change, development and transact
3、ion lSuggestion or Advice for our GovernmentlScientific or Reasonable Opinion for PeopleObjectivesContentNutrition Status with Health Level Life Expenditure Nutritional Deficiency Metabolic Diseases MethodslNutritional SurveylAnthropometry (3d) lBiochemical Test/Blood or SerumParameter of Anthropome
4、trylBody Weight & Height (P201) lBroca (WB) = BH (cm)-100 (P201) lBody Mass Index for weight judgment(202) BMI = BW(kg)/ BH(m)2 (202)lArm Circle (202)lSkinfold (202)lBody Density (P 203)lBody Fat (%)=(4.95/D)-4.50 100% ) (P 203)lGripParameters & Correctivel身高、坐高 10.0 cm0.1cml体重 10.0kg0.1kgl标准体重 Broc
5、a (WB) = BH (cm)-100/105 l体质指数 BMI = BW(kg)/ BH(m)2 l头围,上臂围,胸围,腰围,臀围 1.0 cm0.1cml皮褶厚度 1.0 mm0.1mml体脂含量 BF%=(4.95D) - 4.50 100% l握力 1.0kg0.1kgAnthropometer1 Body Height-Anthropometer2 Shoulder widthAnthropometer3 Body WeightBroca (WB) = BH (cm)-100 (105)Anthropometer4Head circleArm circleCirclesHead
6、ChestWaist HipArmsWaist:HipWaist:Hip Arm Circle Middle point between shoulder dip to elbow dip on upper arm (放松围、紧张围放松围、紧张围) For muscle growth Head Circle For brain developing in infants Chest Circle for heart, lungs developing Anthropometer5 Skinfold(3 points)Skinfolds ：WHO - (Adult) 三点测量之和 Positio
7、n Grade Shoulder blade Thin 40/50mm Hip male/female Table5 Skinfolds in Males of Different Ages Age (male) Skinfolds (mm) 17- 29 30-30 40-49 50 60-87 20 8 12 12 13 24 30 13 16 18 19 27 40 16 19 21 23 29 50 19 22 25 27 31 60 21 24 27 29 32 70 23 25 29 32 33 80 25 27 31 34 34 90 26 28 33 36 35 100 28
8、29 34 37 36 Normal range:10mm 40mm Table6 Skinfolds in Females of Different Ages Age (female)Skinfolds (mm) 17- 29 30-30 40-49 50 60-87 20 14 17 20 22 34 30 20 22 25 27 37 40 23 26 28 30 39 50 27 28 31 33 41 60 29 31 33 36 42 70 31 33 35 38 43 80 33 34 37 40 44 90 35 36 38 41 45 100 36 37 40 43 46 N
9、ormal range: 20mm 50mm Anthropometer6 GripAnthropometer7 BMI (WHO)Classification BMI Risk (kg/m2) Underweight 25.0 Pre-obese 25.0-29.9 Increased Obese class1 30.0-34.9 Moderate Obese class2 35.0-39.9 Severe Obese class3 40 Very severe BMI = BW(kg)/ BH(M)2BMI for Male AdolescentBMI for Female Adolesc
10、entAnthropometer8 Body Fatty DensityBody Fat (%)=(4.95D) - 4.50 100% ) D值：上表值：上表BF: 计算法、密度测量法（活龄仪）计算法、密度测量法（活龄仪）Composition of Body61.5 17.0 13.8 6.2 Heart & Lung Function1 Pulse: 60-90/min(range) Position: Radial artery on wrist Equipmnt: 2 Blood pressure 科氏法（听诊法）科氏法（听诊法） 正常值：正常值：90-120mmHg/60-80mm
11、Hg准确测量的条件准确测量的条件3 Lung vital capacityFLJ-A浮标式肺活量计浮标式肺活量计 受试者夹鼻，在一次平静吸气之末，继续做一次最大限度的吸气。三通阀门与肺量计相通，描记34次呼吸曲线。根据呼吸曲线变化的高度，计算出潮气量、补吸气量、补呼气量和肺活量Nutritional Biochemical AnalyselIn BloodlIn UrinelIn Hair测量仪器校正测量仪器校正l身高、坐高：皮尺/钢尺从基准线校正 10.00.1cm 立柱垂直度、连接处吻合度立柱垂直度、连接处吻合度l体重：如果是电子称，需校零 10.00.1kgl皮褶厚度计：指针回零指针回零
12、; 0.1mml握力计：指针回零指针回零; 0.1kgl血压计：水银柱开关、水银柱、气球、覆带水银柱开关、水银柱、气球、覆带l体围：无弹性皮尺无弹性皮尺/卷尺；卷尺； 0.1cm测量参数测量参数-标准化、准确度l标准化：同一指标-部位-连续测量 2-3次 求：平均值平均值l准确度： 平均误差平均误差 5%测量要求测量要求l裸露测量部位l保持正确测量姿势l体重：空腹、尽量减少衣着Trial Design & Data Treatment1 Trial Design 1.1 Random1.2 Partnership: age, sex, weight (beginning/end )lOne waylLatin Square: 2 2; 2 3; 3 3; 3 4.2 Data Collecting and Treatment2.1 Variables2.2 Repeat2.3 Range3 Parameter Treatment3.1Original data analysis3.2 Means SD (n-1)3.3 T-test, F-test
