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Table 3 Overview of variables recorded by questionnaires

From: Copenhagen comorbidity in HIV infection (COCOMO) study: a study protocol for a longitudinal, non-interventional assessment of non-AIDS comorbidity in HIV infection in Denmark

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

  1. Risk factors for non-AIDS comorbidity, self-reported disease, and subjective morbidity are assessed. Under each variable a non-exhaustive list of examples are given
  2. Abbreviations: AMI acute myocardial infarction, COPD chronic obstructive pulmonary disease and MRC medical research council dyspnea scale