The weight history section of the sample person questionnaire variable name prefix whq provides personal interview data on several topics related to body weight including self perception of weight self reported weight over the participants lifetime attempted weight loss during the past 12 months and methods used to try to lose weight and to keep from gaining weight. For nhanes participants using measured height and weight values as follows.
Table 1 From Applying The Who Instead Of Cdc Growth Charts
Nhanes height and weight. Underweight bmi values 185 normal or desirable weight bmi values 185 249 overweight bmi values 250 299 obese class i bmi. To produce 6 year or 8 year estimates you must construct a combined sample. See the section selecting the correct weight in nhanes for more information about whether to use the interview weight the mec exam weight or one of the subsample weights for your analysis when combining data from 1999 2002 with additional survey years ie. Sbw is the patients actual weight postdialysis expressed as a percentageof normal body weight for healthy americans of similar sex heightand age range and skeletal frame size. Hamwi proposed this method as a simple and easy formula to use for calculating. Weight history whqj 2017 2018 weight history youth whqmecj 2017 2018 data release limited access data.
Weight for a woman who is 5 ft 8 in tall would be 140 lb and for a man who is 5 ft 10 in tall would be 166 lbs. Nhanes uses a complex sampling design and constructs sample weights to produce nationally representative data. Lead blood youth pbyjr 2017 2018 updated data. Learning about the features of the nhanes survey design and weighting will help ensure that the results of your analyses represent unbiased estimates with accurate statistical significance levels. Bmi criteria are used to screen for weight categories. The clinical growth charts for infant length for age and infant weight for age were revised to improve the appearance of the scale for inches on the length charts by extending the indicators at ½ inch increments and enhancing alignment of the english with the metric scales on both the length and weight scales.
For individuals in the united states these data are usually obtained from the national health and nutrition evaluation survey nhanes. The 2017 2018 cytomegalovirus igg igg antibodies in serum dataset was updated to correct the categorization of cytomegalovirus igg avidity based on updated cutoff values.