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.
Usage
data(newborn)Format
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
Household size. An integer variable ranging from 1 to 10. The original variable name in the NHANES III dataset is
HSHSIZER.- age_months
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
Sex of the subject. A factor variable with levels
MaleandFemale. The original variable name in the NHANES III dataset isHSSEX.- race
Race of the subject. A factor variable with levels
White,Black, andOther. The original variable name in the NHANES III dataset isDMARACER.- ethnicity
Ethnicity of the subject. A factor variable with levels
Mexican-American,Other Hispanic, andNot Hispanic. The original variable name in the NHANES III dataset isDMAETHNR.- race_ethinicity
Combined race–ethnicity classification. A factor variable with levels
Non-Hispanic White,Non-Hispanic Black,Mexican-American, andOther. The original variable name in the NHANES III dataset isDMARETHN.- head_circumference_cm
Head circumference, in centimetres. Numeric. The original variable name in the NHANES III dataset is
BMPHEAD.- recumbent_length_cm
Recumbent length, in centimetres. Numeric. The original variable name in the NHANES III dataset is
BMPRECUM.- first_subscapular_skinfold_mm
First subscapular skinfold thickness, in millimetres. Numeric. The original variable name in the NHANES III dataset is
BMPSB1.- second_subscapular_skinfold_mm
Second subscapular skinfold thickness, in millimetres. Numeric. The original variable name in the NHANES III dataset is
BMPSB2.- first_triceps_skinfold_mm
First triceps skinfold thickness, in millimetres. Numeric. The original variable name in the NHANES III dataset is
BMPTR1.- second_triceps_skinfold_mm
Second triceps skinfold thickness, in millimetres. Numeric. The original variable name in the NHANES III dataset is
BMPTR2.- weight_kg
Body weight, in kilograms. Numeric. The original variable name in the NHANES III dataset is
BMPWT.- poverty_income_ratio
Poverty income ratio. Numeric. The original variable name in the NHANES III dataset is
DMPPIR.- smoke
Whether anyone living in the household smokes cigarettes inside the home. A factor variable with levels
YesandNo. The original variable name in the NHANES III dataset isHFF1.- health
General health status of the subject. An ordered factor with levels
Excellent,Very Good,Good,Fair, andPoor. The original variable name in the NHANES III dataset isHYD1.
References
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.
