Type: | Package |
Title: | Asthma Data Sets from NHANES |
Version: | 1.1.0 |
Maintainer: | Tao Sun <sun.tao@ruc.edu.cn> |
Description: | Data sets and examples from National Health and Nutritional Examination Survey (NHANES). |
License: | GPL-3 |
Depends: | R (≥ 3.5.0) |
Repository: | CRAN |
Date: | 2021-04-11 05:00:09 UTC |
NeedsCompilation: | no |
Packaged: | 2021-04-11 14:59:16 UTC; Lenovo |
Author: | Tao Sun [aut, cre], Qiyao Qin [aut], Zihan Qian [aut], Yang Li [aut] |
Date/Publication: | 2021-04-13 14:00:02 UTC |
Asthma Data Sets from National Health and Nutritional Examination Survey (NHANES)
Description
This package provides two datasets (metal and percent) that are related to the work of "Serum cadmium and lead, current wheeze, and lung function in a nationwide study of adults in the United States" (Journal of Allergy and Clinical Immunology: In Practice, DOI:10.1016/j.jai-p.2019.05.029).
Author(s)
Tao Sun
Qiyao Qin
Zihan Qian
Yang Li
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/].
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)
percent
Description
The percent data frame has 40,979 rows and 6 columns.
Usage
data(percent)
Format
This data frame contains the following columns:
- FEV1FVC_percent_predicted
Percent predicted FEV1/FVC
- FEV1FVC_z_score
Z score of FEV1/FVC
- FEV1_percent_predicted
Percent predicted FEV1
- FEV1_z_score
Z score of FEV1
- FVC_percent_predicted
Percent predicted FVC
- FVC_z_score
Z score of FVC
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(percent)
# View data
summary(percent)