This dataset is extracted from the NHANES III (1988-1994) for the age class Newborn (under 1 year). Please note that this example dataset only contains selected variables and is for demonstration purposes only.
data(newborn)A data frame of 2107 rows and 16 variables, adapted from the NHANES III dataset. Nine variables contain missing values. Variable names and factor levels have been renamed for clarity and easier interpretation.
Household size. An integer variable ranging from 1 to 10. The original variable name in the NHANES III dataset is HSHSIZER.
Age at interview (screener), in months. An integer variable ranging from 2 to 11. The original variable name in the NHANES III dataset is HSAGEIR.
Sex of the subject. A factor variable with levels Male and Female. The original variable name in the NHANES III dataset is HSSEX.
Race of the subject. A factor variable with levels White, Black, and Other. The original variable name in the NHANES III dataset is DMARACER.
Ethnicity of the subject. A factor variable with levels Mexican-American, Other Hispanic, and Not Hispanic. The original variable name in the NHANES III dataset is DMAETHNR.
Combined race–ethnicity classification. A factor variable with levels Non-Hispanic White, Non-Hispanic Black, Mexican-American, and Other. The original variable name in the NHANES III dataset is DMARETHN.
Head circumference, in centimetres. Numeric. The original variable name in the NHANES III dataset is BMPHEAD.
Recumbent length, in centimetres. Numeric. The original variable name in the NHANES III dataset is BMPRECUM.
First subscapular skinfold thickness, in millimetres. Numeric. The original variable name in the NHANES III dataset is BMPSB1.
Second subscapular skinfold thickness, in millimetres. Numeric. The original variable name in the NHANES III dataset is BMPSB2.
First triceps skinfold thickness, in millimetres. Numeric. The original variable name in the NHANES III dataset is BMPTR1.
Second triceps skinfold thickness, in millimetres. Numeric. The original variable name in the NHANES III dataset is BMPTR2.
Body weight, in kilograms. Numeric. The original variable name in the NHANES III dataset is BMPWT.
Poverty income ratio. Numeric. The original variable name in the NHANES III dataset is DMPPIR.
Whether anyone living in the household smokes cigarettes inside the home. A factor variable with levels Yes and No. The original variable name in the NHANES III dataset is HFF1.
General health status of the subject. An ordered factor with levels Excellent, Very Good, Good, Fair, and Poor. The original variable name in the NHANES III dataset is HYD1.
U.S. Department of Health and Human Services (DHHS). National Center for Health Statistics. Third National Health and Nutrition Examination Survey (NHANES III, 1988-1994): Multiply Imputed Data Set. CD-ROM, Series 11, No. 7A. Hyattsville, MD: Centers for Disease Control and Prevention, 2001. Includes access software: Adobe Systems, Inc. Acrobat Reader version 4.