Table 2. Logistic regression of Natural Amenity Scale on obesity in the DMV data.
OR = odds ratio; CI = confidence interval
Full Model | Reduced Model | |||||||
OR | t | P | 95% CI | OR | t | P | 95% CI | |
ERS Natural Amenity Scale | 0.964 | -4.45 | <0.001 | 0.948, 0.980 | 0.968 | -6.69 | <0.001 | 0.959, 0.977 |
Individual covariates | ||||||||
Age (y) | 1.007 | 12.18 | <0.001 | 1.006, 1.008 | 1.007 | 11.99 | <0.001 | 1.006, 1.008 |
Sex (male) | 1.061 | 1.89 | 0.059 | 0.998, 1.128 | ||||
Year of data collection | 0.987 | -21.17 | <0.001 | 0.986, 0.988 | 0.986 | -20.71 | <0.001 | 0.985, 0.987 |
County-level covariates | ||||||||
Longitude (degrees) | 1.001 | 0.86 | 0.388 | 0.998, 1.004 | ||||
Latitude (degrees) | 0.982 | -6.74 | <0.001 | 0.977, 0.987 | 0.979 | -9.90 | <0.001 | 0.975, 0.983 |
Median age of total resident population (y) | 1.013 | 3.32 | 0.001 | 1.005, 1.021 | 1.010 | 3.87 | <0.001 | 1.005, 1.016 |
Percent of resident population: | ||||||||
White | 1.750 | 0.40 | 0.689 | 0.113, 27.17 | ||||
Black | 1.757 | 0.40 | 0.687 | 0.113, 27.27 | ||||
American Indian or Alaska native | 1.732 | 0.39 | 0.694 | 0.112, 26.87 | ||||
Asian | 1.689 | 0.37 | 0.708 | 0.109, 26.25 | ||||
Native Hawaiian or Pacific islander | 1.813 | 0.43 | 0.670 | 0.118, 27.90 | ||||
Two or more races | 1.893 | 0.46 | 0.649 | 0.121, 29.51 | ||||
Hispanic | 1.003 | 3.21 | 0.001 | 1.001, 1.005 | ||||
Unemployment rate (%) | 1.057 | 5.10 | <0.001 | 1.035, 1.080 | 1.067 | 6.32 | <0.001 | 1.046, 1.089 |
Per capita personal income ('000 $) | 0.992 | -3.22 | 0.001 | 0.987, 0.997 | 0.982 | -9.13 | <0.001 | 0.979, 0.986 |
Housing units per hectare | 1.094 | 1.88 | 0.061 | 0.996, 1.201 | ||||
Population density per hectare | 0.959 | -2.13 | 0.034 | 0.923, 0.997 | ||||
Number of subjects | 38,155,060 | 38,155,060 | ||||||
Number of counties | 2,524 | 2,524 | ||||||
R2 | 0.02 | 0.02 | ||||||
P | <0.001 | <0.001 |