Table 4.
Correlations† between food access and purchasing practice indicators; baseline data from the Pittsburgh Hill/Homewood Research on Eating, Shopping and Health (PHRESH) study, May–December 2011
| Distance to where respondent shops | Shopping frequency | Shopping duration | Food expenditures per person per week | |
|---|---|---|---|---|
| Distance to the nearest full-service supermarket | 0·04 | −0·01 | 0·001 | −0·03 |
| Distance to where respondent shops | −0·14*** | 0·21*** | −0·07* | |
| Shopping frequency | −0·10*** | 0·09** | ||
| Shopping duration | −0·03 |
*P<0·01, **P<0·001, ***P<0·0001.
†
Correlations with shopping frequency were computed as Spearman correlations; all others were computed as Pearson correlations.