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Table 2 Linear regression analysis model:* Means of the Wisconsin Retail Food Environment Index (WRFEI) according to the level of neighborhood-level economic hardship, overall and stratified for urbanicity

From: The association between neighborhood economic hardship, the retail food environment, fast food intake, and obesity: findings from the Survey of the Health of Wisconsin

Economic Hardship Index (EHI) Wisconsin Retail Food Environment Index (WFREI)
Overall Urban Rural
(n = 1570) (n = 757) (n = 620)
Mean p-value Mean p-value Mean p-value
1st quartile: (least deprived) 1.77 ref.   1.94 ref.   1.22 ref.  
2nd quartile: 2.14 vs. 1st 0.05 1.66 vs. 1st 0.10 2.09 vs. 1st 0.06
3rd quartile: 2.89 vs. 1st <0.001 2.19 vs. 1st 0.18 3.21 vs. 1st <0.001
4th quartile: (most deprived) 2.53 vs. 1st <0.001 2.91 vs. 1st <0.001 2.14 vs. 1st 0.04
Linear trend test    <0.001    <0.001    0.001
  1. *Linear regression with least square means estimating the association between the Economic Hardship Index (EHI) and the Wisconsin Retail Food Environment Index (WRFEI).