Regression estimates used to derive food-at-home Engel curves
| Foodies | Non-foodies | |||
|---|---|---|---|---|
| Parameter | Model 1 | Model 2 | Model 1 | Model 2 |
| Intercept | 1.411*** (0.057) | 1.425*** (0.074) | 1.368*** (0.051) | 1.438*** (0.065) |
| Log(income) | −0.117*** (0.005) | −0.122*** (0.006) | −0.115*** (0.005) | −0.111*** (0.005) |
| Female | −0.001 (0.009) | 0.004 (0.009) | ||
| 25–34 years old | −0.018 (0.016) | 0.007 (0.018) | ||
| 35–44 years old | −0.001 (0.017) | 0.018 (0.018) | ||
| 45–54 years old | 0.010 (0.017) | 0.004 (0.017) | ||
| 55–64 years old | −0.025 (0.019) | −0.018 (0.017) | ||
| 65–74 years old | −0.019 (0.020) | −0.009 (0.017) | ||
| 74 years or older | −0.024 (0.048) | −0.017 (0.021) | ||
| High school/GED | 0.045 (0.039) | −0.092** (0.032) | ||
| Some college | 0.052 (0.039) | −0.121*** (0.033) | ||
| 2-year college degree | 0.034 (0.041) | −0.127*** (0.033) | ||
| 4-year college degree | 0.045 (0.039) | −0.118*** (0.032) | ||
| Master’s degree | 0.067 (0.040) | −0.105** (0.034) | ||
| Professional degree (Ph.D., J.D., M.D., etc.) | 0.062 (0.044) | −0.103** (0.036) | ||
| Adjusted R-squared | 0.525 | 0.527 | 0.506 | 0.522 |
| Foodies | Non-foodies | |||
|---|---|---|---|---|
| Parameter | Model 1 | Model 2 | Model 1 | Model 2 |
| Intercept | 1.411*** (0.057) | 1.425*** (0.074) | 1.368*** (0.051) | 1.438*** (0.065) |
| Log(income) | −0.117*** (0.005) | −0.122*** (0.006) | −0.115*** (0.005) | −0.111*** (0.005) |
| Female | −0.001 (0.009) | 0.004 (0.009) | ||
| 25–34 years old | −0.018 (0.016) | 0.007 (0.018) | ||
| 35–44 years old | −0.001 (0.017) | 0.018 (0.018) | ||
| 45–54 years old | 0.010 (0.017) | 0.004 (0.017) | ||
| 55–64 years old | −0.025 (0.019) | −0.018 (0.017) | ||
| 65–74 years old | −0.019 (0.020) | −0.009 (0.017) | ||
| 74 years or older | −0.024 (0.048) | −0.017 (0.021) | ||
| High school/GED | 0.045 (0.039) | −0.092** (0.032) | ||
| Some college | 0.052 (0.039) | −0.121*** (0.033) | ||
| 2-year college degree | 0.034 (0.041) | −0.127*** (0.033) | ||
| 4-year college degree | 0.045 (0.039) | −0.118*** (0.032) | ||
| Master’s degree | 0.067 (0.040) | −0.105** (0.034) | ||
| Professional degree (Ph.D., J.D., M.D., etc.) | 0.062 (0.044) | −0.103** (0.036) | ||
| Adjusted | 0.525 | 0.527 | 0.506 | 0.522 |
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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