Table A3.
Adjusted odds ratios for participation in physical activity according to tertiles of selected land characteristics based on 250m and 500m buffers, by population size of census tract, the Sister Study
Land cover characteristic | Population Size of Census Tract | ||||||||
---|---|---|---|---|---|---|---|---|---|
| |||||||||
< 4162 | 4162 – < 6006 | ≥ 6006 | |||||||
| |||||||||
Mean MET-hrs | OR | 95% CI | Mean MET-hrs | OR | 95% CI | Mean MET-hrs | OR | 95% CI | |
G1 (250 buffer) | |||||||||
Lowest tertile | 49.0 | 1.0 | 49.5 | 1.0 | 48.7 | 1.0 | |||
Middle tertile | 51.0 | 1.11 | 1.02 – 1.22 | 50.5 | 1.05 | 0.97 – 1.15 | 49.9 | 1.10 | 1.01 – 1.20 |
Upper tertile | 54.7 | 1.34 | 1.23 – 1.46 | 53.0 | 1.18 | 1.08 – 1.29 | 52.2 | 1.18 | 1.08 – 1.29 |
G2 (250 buffer) | |||||||||
Lowest tertile | 48.8 | 1.0 | 49.3 | 1.0 | 48.1 | 1.0 | |||
Middle tertile | 51.0 | 1.16 | 1.07 – 1.27 | 50.5 | 1.10 | 1.00 – 1.20 | 49.9 | 1.10 | 1.00 – 1.20 |
Upper tertile | 53.8 | 1.34 | 1.22 – 1.46 | 52.6 | 1.24 | 1.13 – 1.36 | 51.9 | 1.18 | 1.08 – 1.29 |
Impervious (250 buffer) | |||||||||
Lowest tertile | 54.8 | 1.0 | 53.4 | 1.0 | 53.3 | 1.0 | |||
Middle tertile | 51.2 | 0.82 | 0.75 – 0.90 | 50.9 | 0.86 | 0.79 – 0.94 | 50.0 | 0.82 | 0.75 – 0.89 |
Upper tertile | 47.5 | 0.65 | 0.59 – 0.71 | 48.0 | 0.70 | 0.64 – 0.77 | 46.7 | 0.64 | 0.58 – 0.71 |
G1 (500 buffer) | |||||||||
Lowest tertile | 48.8 | 1.0 | 49.4 | 1.0 | 48.4 | 1.0 | |||
Middle tertile | 50.6 | 1.13 | 1.04 – 1.24 | 50.6 | 1.05 | 0.96 – 1.15 | 49.9 | 1.08 | 0.98 – 1.18 |
Upper tertile | 54.1 | 1.32 | 1.21 – 1.45 | 52.3 | 1.13 | 1.04 – 1.24 | 51.6 | 1.16 | 1.06 – 1.27 |
G2 (500 buffer) | |||||||||
Lowest tertile | 49.0 | 1.0 | 49.4 | 1.0 | 48.2 | 1.0 | |||
Middle tertile | 50.9 | 1.16 | 1.06 – 1.26 | 50.7 | 1.07 | 0.98 – 1.17 | 49.5 | 1.05 | 0.96 – 1.15 |
Upper tertile | 53.7 | 1.30 | 1.18 – 1.42 | 52.3 | 1.19 | 1.08 – 1.30 | 52.1 | 1.23 | 1.12 – 1.36 |
Impervious (500 buffer) | |||||||||
Lowest tertile | 54.8 | 1.0 | 53.3 | 1.0 | 53.4 | 1.0 | |||
Middle tertile | 50.4 | 0.78 | 0.72 – 0.85 | 50.9 | 0.86 | 0.79 – 0.94 | 49.7 | 0.80 | 0.74 – 0.87 |
Upper tertile | 48.1 | 0.69 | 0.63 – 0.75 | 48.1 | 0.73 | 0.66 – 0.80 | 46.9 | 0.65 | 0.59 – 0.72 |
The cut-point used for to define those physically active was 67.1 MET-Hours per week (which represented the upper tertile). Odds ratios adjusted for age, ethnicity, marital status, and census area