Table 1
Covariates involved in modeling physical activity, chronic conditions, Health Utilities Index and death

Table 1.
Covariates involved in modeling physical activity, chronic conditions, Health Utilities Index and death
Table summary
This table displays the results of covariates involved in modeling physical activity. The information is grouped by covariate (appearing as row headers), time- varying , overall physical activity , bike for transportation, walk for transportation, leisure-time physical activity, hypertension, diabetes, heart disease, cancer, health utilities index and death (appearing as column headers).
Covariate Time- varying Overall physical activity Bike for transportation Walk for transportation Leisure-time physical activity Hypertension Diabetes Heart disease Cancer Health Utilities Index Death
Calendar time Yes √   √ √ √ √√ √ √   √
Region (Atlantic, Quebec, Ontario, Prairies, British Columbia) No √ √ √ √ √       √ √
Sex No √ √ √ √ √√ √√ √√ √√ √ √
Age (5-year groups) Yes √       √ √√ √√ √√   √
Age (10-year groups) Yes   √ √ √         √  
Age (linear term past 85 years) Yes √ √ √ √ √ √ √√ √   √
Aboriginal No   √     √     √   √
Race (non-White) No   √   √ √ √√ √ √√   √
Smoke (never, former, current) Yes √     √ √ √ √ √ √ √
Drink (never, former, light, moderate, heavy) No     √ √ √ √ √ √ √ √
Education (less than secondary graduation, secondary graduation, some postsecondary, postsecondary graduation) Yes √   √ √         √  
Income quartile (first, second, third, fourth) Yes √ √   √ √ √ √ √ √ √
BMI (<18.5, ≥18.5 to <25, ≥25 to <30, ≥30 to <35, ≥35) Yes √ √   √ √√ √ √ √   √
BMI (<18.5, ≥18.5 to <25, ≥25 to <30, ≥30) Yes                 √  
Hypertension Yes         Note ...: not applicable √ √√ √ √ √
Diabetes Yes √       √√ Note ...: not applicable √ √√ √ √
Heart disease Yes √       √ √ Note ...: not applicable √ √ √
Cancer Yes         √ √ √ Note ...: not applicable √ √
Overall physical activity Yes √   √ √ √√ √ √ √ √ √
Walk for transportation Yes √   √ √ √ √ √     √
Bike for transportation Yes   √ √ √     √     √
Leisure-time physical activity Yes √ √ √ √ √√ √ √ √√ √ √
... not applicable
√ = used only for onset equation
√√ = used for both onset and remission equations
Note: Coefficients for covariates available on request.
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