Regression estimates used to derive total food expenditures Engel curves
| Foodies | Non-foodies | |||
|---|---|---|---|---|
| Parameter | Model 1 | Model 2 | Model 1 | Model 2 |
| Intercept | 2.100*** (0.089) | 2.223*** (0.116) | 1.868*** (0.076) | 1.960*** (0.096) |
| Log(income) | −0.173*** (0.008) | −0.184*** (0.010) | −0.156*** (0.007) | −0.149*** (0.008) |
| Female | −0.022 (0.014) | 0.001 (0.013) | ||
| 25–34 years old | −0.048 (0.025) | −0.027 (0.027) | ||
| 35–44 years old | −0.021 (0.026) | −0.019 (0.026) | ||
| 45–54 years old | −0.027 (0.027) | −0.041 (0.026) | ||
| 55–64 years old | −0.067* (0.029) | −0.085*** (0.025) | ||
| 65–74 years old | −0.070* (0.031) | −0.072** (0.025) | ||
| 74 years or older | −0.009 (0.075) | −0.082** (0.031) | ||
| High school/GED | 0.024 (0.061) | −0.083. (0.048) | ||
| Some college | 0.036 (0.061) | −0.124* (0.048) | ||
| 2-year college degree | 0.009 (0.063) | −0.147** (0.049) | ||
| 4-year college degree | 0.031 (0.061) | −0.124** (0.048) | ||
| Master’s degree | 0.074 (0.063) | −0.103* (0.050) | ||
| Professional degree (Ph.D., J.D., M.D., etc.) | 0.056 (0.068) | −0.109* (0.054) | ||
| Adjusted R-squared | 0.495 | 0.506 | 0.457 | 0.485 |
| Foodies | Non-foodies | |||
|---|---|---|---|---|
| Parameter | Model 1 | Model 2 | Model 1 | Model 2 |
| Intercept | 2.100*** (0.089) | 2.223*** (0.116) | 1.868*** (0.076) | 1.960*** (0.096) |
| Log(income) | −0.173*** (0.008) | −0.184*** (0.010) | −0.156*** (0.007) | −0.149*** (0.008) |
| Female | −0.022 (0.014) | 0.001 (0.013) | ||
| 25–34 years old | −0.048 (0.025) | −0.027 (0.027) | ||
| 35–44 years old | −0.021 (0.026) | −0.019 (0.026) | ||
| 45–54 years old | −0.027 (0.027) | −0.041 (0.026) | ||
| 55–64 years old | −0.067* (0.029) | −0.085*** (0.025) | ||
| 65–74 years old | −0.070* (0.031) | −0.072** (0.025) | ||
| 74 years or older | −0.009 (0.075) | −0.082** (0.031) | ||
| High school/GED | 0.024 (0.061) | −0.083. (0.048) | ||
| Some college | 0.036 (0.061) | −0.124* (0.048) | ||
| 2-year college degree | 0.009 (0.063) | −0.147** (0.049) | ||
| 4-year college degree | 0.031 (0.061) | −0.124** (0.048) | ||
| Master’s degree | 0.074 (0.063) | −0.103* (0.050) | ||
| Professional degree (Ph.D., J.D., M.D., etc.) | 0.056 (0.068) | −0.109* (0.054) | ||
| Adjusted | 0.495 | 0.506 | 0.457 | 0.485 |
Note(s): Numbers in parentheses are standard errors. *, **, and *** indicate statistical significance of an alpha level of α < 0.01, α < 0.05, and α < 0.1. Models 2 estimated with a base of 18–24 year old males with less than a high school education. Foodie models estimated with 448 degrees of freedom and non-foodie models estimated with 568 degrees of freedom
Source(s): Authors’ work
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