Table 3

Odds ratios for obesity by metro status with distance to large supermarket

Metro (n = 1,019,585)

Nonmetro (n = 458,243)

Age, 18-24 years (ref.)

25-34

1.94 [1.86, 2.03]**

1.92 [1.80, 2.06]**

35-44

2.41 [2.32, 2.51]**

2.30 [2.15, 2.47]**

45-54

2.89 [2.77, 3.02]**

2.60 [2.43, 2.77]**

55-64

3.00 [2.87, 3.13]**

2.58 [2.42, 2.76]**

65-74

2.24 [2.14, 2.34]**

1.94 [1.81, 2.08]**

≥ 75.

1.28 [1.22, 1.35]**

1.02 [0.95, 1.10]

Sex, Female (ref.)

Male

1.09 [1.06, 1.12]**

1.05 [1.02, 1.07]**

Race/ethnicity, White (ref.)

Black

1.79 [1.73, 1.85]**

1.70 [1.62, 1.78]**

Hispanic

1.23 [1.17, 1.30]**

1.21 [1.12, 1.30]**

Asian

0.54 [0.49, 0.60]**

0.56 [0.44, 0.71]**

American Indian

1.31 [1.18, 1.45]**

1.46 [1.31, 1.62]**

Other

1.03 [0.96, 1.09]

1.17 [1.09, 1.27]**

Education, < High school (ref.)

H.S.

0.88 [0.85, 0.91]**

0.92 [0.89, 0.96]**

Some college

0.86 [0.83, 0.90]**

0.92 [0.88, 0.96]**

College graduate

0.60 [0.57, 0.62]**

0.73 [0.69, 0.77]**

Income, < $15,000 (ref.)

$15,000-$24,999

0.91 [0.88, 0.94]**

0.90 [0.86, 0.94]**

$25,000-$49,999

0.83 [0.80, 0.86]**

0.79 [0.75, 0.82]**

$50,000-$74,999

0.79 [0.76, 0.82]**

0.73 [0.70, 0.77]**

≥ $75,000

0.66 [0.63, 0.69]**

0.60 [0.57, 0.64]**

Region, Northeast (ref.)

Midwest

1.10 [1.06, 1.15]**

1.09 [1.04, 1.15]**

South

1.00 [0.96, 1.05]

1.07 [1.02, 1.13]**

West

0.98 [0.93, 1.02]

0.87 [0.81, 0.93]**

Supermarket distance, log10

Large supermarket

1.24 [1.19, 1.29]**

1.00 [0.94, 1.06]

Note: Numbers in brackets are 95% confidence intervals for odds ratios.

* p < 0.05, ** p < 0.01

Michimi and Wimberly International Journal of Health Geographics 2010 9:49   doi:10.1186/1476-072X-9-49