Table 2 Cox proportion regression model predicting 12-year mortality as a function of baseline BMI categories among older Mexican Americans
From: Body mass index and 12-year mortality among older Mexican Americans aged 75 years and older
Variables | Model 1 HR 95% CI N = 1415 | Model 2 HR 95% CI N = 1415 | Model 3 HR 95% CI N = 1219 |
|---|---|---|---|
Age | 1.08 (1.06–1.10) | 1.07 (1.06–1.09) | 1.08 (1.06–1.10) |
Female | 0.69 (0.59–0.80) | 0.67 (0.57–0.77) | 0.69 (0.58–0.81) |
Married | 0.90 (0.78–1.04) | 0.90 (0.78–1.04) | 0.93 (0.79–1.09) |
Years of Education | 1.03 (1.01–1.05) | 1.03 (1.01–1.05) | 1.03 (1.01–1.05) |
U.S. Born | 1.18 (1.03–1.36) | 1.18 (1.03–1.36) | 1.19 (1.02–1.39) |
Smoking | 1.20 (0.92–1.56) | 1.16 (0.89–1.51) | – |
BMI (Kg/m2) categories | |||
Underweight (< 18.5) | 1.59 (1.03–2.45) | 1.63 (1.06–2.51) | 1.50 (0.91–2.49) |
Normal Weight (18.5 to < 25) | Reference | Reference | Reference |
Overweight (25 to < 30) | 0.82 (0.70–0.96) | 0.83 (0.71–0.97) | 0.75 (0.63–0.90) |
Obesity category I (30 to < 35) | 0.75 (0.62–0.91) | 0.77 (0.64–0.94) | 0.73 (0.59–0.90) |
Obesity category II – Morbid Obesity (≥ 35) | 1.12 (0.85–1.46) | 1.21 (0.92–1.58) | 1.20 (0.89–1.62) |
Hypertension | 1.00 (0.87–1.15) | – | 0.93 (0.79–1.08) |
Heart Attack | 1.34 (1.05–1.69) | – | 1.25 (0.95–1.64) |
Cancer | 0.99 (0.76–1.28) | – | 1.04 (0.77–1.40) |
Diabetes | 1.41 (1.22–1.63) | – | 1.51 (1.28–1.77) |
Stroke | 1.12 (0.84–1.49) | – | 1.19 (0.87–1.63) |
Hip fracture | 1.00 (0.68–1.47) | – | 1.35 (0.89–2.04) |
Depressive symptoms (CES-D ≥ 16) | 1.06 (0.87–1.28) | 1.05 (0.87–1.28) | 1.02 (0.82–1.27) |
Any falls | 1.01 (0.87–1.17) | 1.06 (0.92–1.23) | 1.03 (0.87–1.21) |
ADL disability | 1.14 (0.96–1.36) | 1.11 (0.93–1.32) | 1.05 (0.86–1.28) |
SPPB | 0.95 (0.93–0.97) | 0.94 (0.92–0.97) | 0.96 (0.93–0.98) |
MMSE | 0.97 (0.96–0.98) | 0.97 (0.95–0.98) | 0.96 (0.95–0.98) |