Prespecified predictor variables for CVDPoRT with initial degrees of freedom (df) allocation
| Variable | Scale | Valid range/levels | df |
|---|---|---|---|
| Demographic | |||
| Age | Continuous | 20 to 105 | 4 |
| Sex | Dichotomous | Male, female | NA |
| Health behaviours | |||
| Pack years of smoking | Continuous | 0–310 | 2 |
| Smoking status | Categorical | Non-smoker; current smoker; former smoker quit <5 years ago; former smoker quit >5 years ago | 3 |
| Alcohol consumption (number of drinks last week) | Continuous | 0–170 | 2 |
| Former drinker | Dichotomous | Yes, no | 1 |
| Consumption of fruit, salad, carrot and other vegetables (average daily frequency) | Continuous | 0.0 to 80.0 | 2 |
| Potato consumption (average daily frequency) | Continuous | 0.0 to 20.0 | 2 |
| Juice consumption (average daily frequency) | Continuous | 0.0 to 20.0 | 2 |
| Leisure physical activity (average daily meets (kcal/kg/day)) | Continuous | 0.0 to 35.0 | 2 |
| Self-perceived stress | Ordinal | Not at all stressful; not very stressful; a bit stressful; quite a bit stressful; extremely stressful | 4 |
| Sense of belonging to local community | Ordinal | Very strong; somewhat strong; somewhat weak; very weak | 3 |
| Body mass index | Continuous | 8.8–120 | 2 |
| Sociodemographic | |||
| Ethnicity | Categorical | Caucasian; African–American; Chinese; Aboriginal; Japanese/Korean/South East Asian/Filipino; Other/ Multiple origin/ Unknown/ Latin American; South Asian/Arab/West Asian | 6 |
| Immigrant | Dichotomous | Yes, no | 1 |
| % of life lived in Canada | Continuous | 0–100% | 2 |
| Education | Categorical | Less than secondary school; secondary school graduation; some postsecondary; postsecondary graduation | 3 |
| Neighbourhood social and material deprivation | Ordinal | Pampalon’s deprivation index36: low (1st or 2nd quintile); high (4th or 5th quintile); moderate (all others) | 1 |
| Diseases | |||
| Diabetes | Dichotomous | Yes, no | 1 |
| High BP | Dichotomous | Yes, no | 1 |
| High BP medication | Dichotomous | Yes, no | 1 |
| Design | |||
| Survey year | Categorical | 2001, 2003, 2005 | 2 |
BP, blood pressure; CVDPoRT, Cardiovascular Disease Population Risk Tool; NA, not applicable.