Variable | Examples |
---|---|
External risk factors | |
Smoking | Current, previous, and passive smoking, cumulative pack-years, type, filters, e-cigarettes |
Alcohol/drug abuse | Current and previous alcohol intake, intravenous drug use, cannabis, methadone treatment |
Biomass fuel/environmental exposure | Occupational dusts, organic, inorganic gasses, vapors, and fumes (outdoor and indoor) |
Demographics | Ethnicity, nationality, marital status, children |
Education/income | Level of education, house-hold income |
Work | Employment, income, night work |
Diet | Meat intake, vegetable intake |
Daily living | Physical activity, social support, sleeping, stress, sun exposure |
Medication use | Prescription and doses |
Internal risk factors | |
Gender and ethnicity | Ethnicity, place of birth |
Perinatal/childhood events | Birthweight, delivery at term, breast feeding, respiratory tract infections |
Family history of disease | AMI, apoplexy, asthma, COPD, hypertension, diabetes, cancer, depression |
Questions for females | Pregnancies, menarche- and menopause age, abortions |
Self-reported disease | Asthma, COPD, allergy, diabetes |
Symptoms | Angina, dyspnea (MRC), cough, wheeze, sputum, reflux |