Table 3 List of variables included in the multivariable analyses, by comparison groups and levels of hierarchy
From: A logistic regression analysis of risk factors in ME/CFS pathogenesis
Domain | Significant variables resulting from the bivariate analyses, included in the multivariable models (p ≤ 0.10) |
|---|---|
Multivariable analysis 1 – Comparison between people with ME/CFS and healthy controls | |
 Level 1 - Demographic | Age at survey, sex, ethnicity |
 Level 2 - Socio-Economic | Marital status, education, income |
 Level 3 - Family Health History | Asthma, allergies, depression, anxiety, learning disabilities, mental health issues, physical disabilities, other health problems, other neurologic problems |
 Level 4 - Lifestyle | Smoking status, alcohol consumption/week, physical activity previous 6 months |
 Level 5 - Previous Morbidity (prior to disease onset) | Asthma, depression, anxiety, stress, colds, alcohol intolerance, sugar intolerance, other health problems |
 Level 6 - Recent Exposures (6 months prior to disease onset) | Travelling, pesticides, chemicals, infection(s), pill contraception, surgery(ies), and gas fire appliances in the home |
Multivariable Analysis2 – Comparison between people with ME/CFS and people with MS | |
 Level 1 - Demographic | Age at disease onset, sex, ethnicity |
 Level 2 - Socio-Economic | Marital status, education, income, and occupation at 6 months previous onset |
 Level 3 - Family Health History | Allergies, anxiety |
 Level 4 - Lifestyle | Alcohol consumption/week, physical activity previous 6 months |
 Level 5 - Previous Morbidity (prior to disease onset) | Asthma, allergies, depression, anxiety, stress, colds, alcohol intolerance, sugar intolerance, other health problems |
 Level 6 - Recent Exposures (6 months prior to disease onset) | Infection, BCG vaccine |