Table 3 Results of the multivariable proportional hazards Cox regression model adjusted for age at baseline, race/ethnicity, educational level, place of residence, disability, the probability of being physically active, smoking, drinking, and the development of the number of chronic conditions for women (fully adjusted model)
From: Trajectories of body mass index among Canadian seniors and associated mortality risk
Analysis of maximum likelihood estimates | |||||
|---|---|---|---|---|---|
Covariates | Parameter estimate | Standard error | Pr > ChiSq | Hazard ratio | 95% HR Conf. limit |
BMI Traj | |||||
N-D | 0.19 | 0.19 | 0.32 | ||
OB I-D | −0.59 | 0.24 | 0.02 | ||
OB II-D | 0.30 | 0.50 | 0.55 | ||
OV-D(ref.) | |||||
The number of chronic conditions | |||||
More than 3 | −0.07 | 0.19 | 0.70 | ||
Less than 3 | |||||
BMI Traj* the number of chronic conditions | 0.001 | ||||
N-D more than 3 | 0.02 | 0.26 | 0.928 | ||
OB I-D more than 3 | 1.06 | 0.30 | 0.0005 | ||
OB II-D more than 3 | −0.64 | 0.66 | 0.336 | ||
OV-D (ref.) | |||||
Age | |||||
0.12 | 0.02 | <.0001 | |||
PA | |||||
Active | 8.01 | 2.54 | 0.002 | ||
Inactive(ref.) | |||||
Age * PA | 0.001 | ||||
Active | −0.12 | 0.04 | 0.001 | ||
Inactive(ref.) | |||||
Race | |||||
Non-white | −0.43 | 0.34 | 0.20 | 0.65 | 0.34–1.26 |
White (ref.) | |||||
Disability | |||||
Yes | 0.48 | 0.13 | 0.0002 | 1.62 | 1.26–2.10 |
No (ref.) | |||||
Education (if high school graduate) | |||||
Yes | −0.23 | 0.12 | 0.05 | 0.79 | 0.63–0.99 |
No(ref.) | |||||
Place of residence | |||||
Rural | −0.30 | 0.12 | 0.01 | 0.76 | 0.59–0.97 |
Urban(ref.) | |||||
Smoking | |||||
smoker | 0.98 | 0.16 | <0.0001 | 2.57 | 1.86–3.56 |
Non-smoker (ref.) | |||||
Drinking | |||||
Regular drinker | −0.11 | 0.13 | 0.40 | 0.90 | 0.70–1.15 |
Non-drinker(ref.) | |||||