| metal {AsthmaNHANES} | R Documentation |
metal
Description
The metal data frame has 30,442 rows and 27 columns.
Usage
data(metal)
Format
This data frame contains the following columns:
- RIAGENDR
Gender of the sample person
- RIDAGEYR
Best age in years of the sample person at time of screening
- RIDRETH1
Recode of reported race and ethnicity information
- WTMEC5YR
Both interviewed and MEC examined sample persons
- SDMVPSU
Masked Variance Unit Pseudo-PSU variable for variance estimation
- SDMVSTRA
Masked variance unit pseudo-stratum variable for variance estimation
- BMXBMI
Body mass index (kg/m^2)
- LBXBPB
Lead (ug/dL)
- LBXBCD
Cadmium (ug/L)
- LBXCOT
Cotinine (ng/mL)
- MCQ010
Ever been told you have asthma
- RDQ070
Wheezing or whistling in chest - past year
- SMQ040
Do you now smoke cigarettes?
- SMQ020
Smoked at least 100 cigarettes in life
- MCQ035
Still have asthma?
- OCD390G
Kind of work you have done the longest
- HIQ011
Covered by health insurance
- MCQ300B
Close relative had asthma?
- INDHHIN2
Annual household income
- ENQ090
Close relative had asthma?
- ENXTR1Q
Trial 1 FENO measurement (ppb)
- SPXNFVC
Baseline 1st test spirometry, forced vital capacity
- SPXNFEV1
Baseline 1st test spirometry, forced expiratory volume in the first 1 second
- SPDBRONC
Best test FEV1/FVC ratio below Lower Limit of Normal and/or less than 0.7
- SPXBFVC
Bronchodilator 2nd test spirometry, forced vital capacity
- SPXBFEV1
Bronchodilator 2nd test spirometry, forced expiratory volume in the first 1 second
- LBXVIDMS
25-hydroxyvitamin D2 and D3
Source
Centers for Disease Control and Prevention (CDC). National Center for Health Statistics (NCHS). National Health and Nutrition Examination Survey Data. Hyattsville, MD: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, [2021][https://www.cdc.gov/nchs/nhanes/].
Examples
# Load data
data(metal)
# View data
summary(metal)